{"id":135375,"date":"2024-07-02T17:44:24","date_gmt":"2024-07-03T00:44:24","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=135375"},"modified":"2024-07-11T17:19:58","modified_gmt":"2024-07-12T00:19:58","slug":"threat-brief-cve-2024-6387-openssh","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/threat-brief-cve-2024-6387-openssh\/","title":{"rendered":"[2024-07-11 09:08 JST \u66f4\u65b0] \u8105\u5a01\u306b\u95a2\u3059\u308b\u60c5\u5831: CVE-2024-6387 \u2212 OpenSSH \u306b\u304a\u3051\u308b RegreSSHion \u306e\u8106\u5f31\u6027"},"content":{"rendered":"<h2><a id=\"post-135375-_4lt92rr5muov\"><\/a>\u6982\u8981<\/h2>\n<p>2024 \u5e74 7 \u6708 1 \u65e5\u3001glibc \u30d9\u30fc\u30b9\u306e Linux \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc (<span style=\"font-family: 'courier new', courier, monospace;\">sshd<\/span>) \u306b\u91cd\u5927\u306a\u30b7\u30b0\u30ca\u30eb \u30cf\u30f3\u30c9\u30e9\u30fc\u7af6\u5408\u72b6\u614b\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u672c\u8106\u5f31\u6027\u306f\u300cRegreSSHion\u300d\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001<a href=\"https:\/\/ubuntu.com\/security\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVE-2024-6387<\/a> \u3068\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u3001root \u6a29\u9650\u306b\u3088\u308b\u672a\u8a8d\u8a3c\u306e\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c (RCE) \u306b\u3064\u306a\u304c\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8106\u5f31\u6027\u306f\u91cd\u5927\u5ea6\u304c\u300cHigh (\u91cd\u8981) <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVSS8.1<\/a>\u300d\u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059 \u3002<\/p>\n<p>\u672c\u8106\u5f31\u6027\u306f\u3001\u6b21\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc \u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>Open SSH \u30d0\u30fc\u30b8\u30e7\u30f3 8.5p1 \u301c 9.8p1<\/li>\n<li>OpenSSH \u30d0\u30fc\u30b8\u30e7\u30f3 4.4p1 \u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3001<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2006-5051\" target=\"_blank\" rel=\"noopener\">CVE-2006-5051<\/a> \u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u304c\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u304b <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2008-4109\" target=\"_blank\" rel=\"noopener\">CVE-2008-4109<\/a> \u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408<\/li>\n<\/ul>\n<p><a href=\"https:\/\/security.paloaltonetworks.com\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">PAN-OS \u306e SSH \u6a5f\u80fd<\/a>\u306f CVE-2024-6387 \u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u5f0a\u793e\u306e Xpanse \u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u79c1\u305f\u3061\u306f\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092 2,300 \u4e07\u53f0\u89b3\u6e2c\u3057\u307e\u3057\u305f\u30022024 \u5e74 7 \u6708 1 \u65e5\u73fe\u5728\u3001\u4e16\u754c\u4e2d\u3067 OpenSSH \u30d0\u30fc\u30b8\u30e7\u30f3 8.5p1 \uff5e 9.7p1 \u306e\u516c\u958b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f 700 \u4e07\u53f0\u4ee5\u4e0a\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3 (4.3p1 \u3068\u305d\u308c\u4ee5\u524d) \u3082\u542b\u3081\u308b\u3068\u3001\u5408\u8a08\u3067 730 \u4e07\u53f0\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u53f0\u6570\u306f\u904e\u5927\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u306f\u3001\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3092\u8003\u616e\u3057\u3066\u5f71\u97ff\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u756a\u53f7\u3092\u8868\u793a\u3059\u308b\u78ba\u5b9f\u306a\u65b9\u6cd5\u304c\u306a\u3044\u305f\u3081\u3001\u305d\u3046\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u5834\u5408\u3001\u3059\u3067\u306b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u5f71\u97ff\u3092\u53d7\u3051\u308b\u5bfe\u8c61\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002\u307e\u305f\u3053\u3053\u3067\u306e\u53f0\u6570\u306f\u3001\u8106\u5f31\u6027\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u4e0a\u3067\u5fc5\u8981\u3068\u306a\u308a\u3046\u308b OS \u30ec\u30d9\u30eb\u306e\u4ed5\u69d8\u3084\u69cb\u6210\u3082\u8003\u616e\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306e\u6982\u5ff5\u5b9f\u8a3c (PoC) \u30b3\u30fc\u30c9\u306f\u5b58\u5728\u3057\u307e\u3059\u304c\u30012024 \u5e74 7 \u6708 2 \u65e5\u73fe\u5728\u3001\u91ce\u751f\u3067\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u79c1\u305f\u3061\u306f\u30b3\u30fc\u30c9\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u3053\u306e PoC \u3092\u4f7f\u3063\u3066 CVE-2024-6387 \u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3067\u306f\u3001\u3059\u3079\u3066\u306e OpenSSH \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092 OpenSSH \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3 (v9.8p1 \u4ee5\u964d) \u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u3082\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067 CVE-2024-6387 \u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3068\u7de9\u548c\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">Unit 42 \u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30ec\u30b9\u30dd\u30f3\u30b9 \u30c1\u30fc\u30e0<\/a>\u3082\u3001\u4fb5\u5bb3\u3092\u53d7\u3051\u305f\u5834\u5408\u306e\u652f\u63f4\u3084\u3001\u304a\u5ba2\u3055\u307e\u306e\u30ea\u30b9\u30af\u4f4e\u6e1b\u306e\u305f\u3081\u306e\u4e8b\u524d\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6e96\u5099\u72b6\u6cc1\u8a55\u4fa1\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSOAR\" target=\"_blank\" rel=\"noopener\">Cortex XSOAR<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\" target=\"_blank\" rel=\"noopener\">XDR<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xsiam\" target=\"_blank\" rel=\"noopener\">XSIAM<\/a> \u306b\u3088\u308a\u3001\u672c\u7a3f\u3067\u53d6\u308a\u4e0a\u3052\u305f\u8106\u5f31\u6027\u304b\u3089\u3088\u308a\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u5f0a\u793e\u306e <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" target=\"_blank\" rel=\"noopener\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u88fd\u54c1 (NGFW) <\/a> \u3067 <a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/security-subscriptions\" target=\"_blank\" rel=\"noopener\">\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/a> (<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/advanced-wildfire\" target=\"_blank\" rel=\"noopener\">Advanced WildFire<\/a> \u3092\u542b\u3080) \u3092\u6709\u52b9\u306b\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3082\u3088\u308a\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">Cortex Xpanse<\/a>\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSIAM\" target=\"_blank\" rel=\"noopener\">XSIAM<\/a> \u304b\u3089\u306e\u5916\u90e8 SSH \u30a8\u30af\u30b9\u30dd\u30fc\u30b8\u30e3\u30fc\u691c\u51fa\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u304a\u5ba2\u69d8\u306f\u3001Cortex Xpanse\u3001XSIAM \u304b\u3089\u306e\u5916\u90e8 SSH \u30a8\u30af\u30b9\u30dd\u30fc\u30b8\u30e3\u30fc\u691c\u51fa\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u304a\u5ba2\u69d8\u306f\u3001Prisma Cloud \u306e\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3084<a href=\"https:\/\/docs.prismacloud.io\/en\/enterprise-edition\/content-collections\/runtime-security\/agentless-scanning\/agentless-scanning\" target=\"_blank\" rel=\"noopener\">\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30ec\u30b9\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3<\/a>\u3001<a href=\"https:\/\/docs.prismacloud.io\/en\/enterprise-edition\/content-collections\/application-security\/risk-management\/monitor-and-manage-code-build\/software-composition-analysis\/software-composition-analysis\" target=\"_blank\" rel=\"noopener\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u69cb\u6210\u5206\u6790 (Software Composition Analysis: SCA)<\/a> \u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u901a\u3058\u3001Prisma Cloud \u306b\u3088\u3063\u3066\u4fdd\u8b77\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30af\u30e9\u30a6\u30c9\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u306b\u308f\u305f\u3063\u3066\u8106\u5f31\u306a\u30ea\u30bd\u30fc\u30b9\u306e\u7279\u5b9a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<td style=\"width: 35%;\"><b>\u672c\u7a3f\u3067\u6271\u3046\u8106\u5f31\u6027<\/b><\/td>\n<td style=\"width: 100%;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cve-2024-6387-ja\/\" target=\"_blank\" rel=\"noopener\"><b>CVE-2024-6387<\/b><\/a><\/td>\n<\/tr>\n<\/thead>\n<\/table>\n<h2><a id=\"post-135375-_mhxmbi5tjpdm\"><\/a>\u8106\u5f31\u6027\u306e\u8a73\u7d30<\/h2>\n<p>Qualys \u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001OpenSSH \u30b5\u30fc\u30d0\u30fc\u30d7\u30ed\u30bb\u30b9\u304c <span style=\"font-family: 'courier new', courier, monospace;\">sshd<\/span> \u30b7\u30b0\u30ca\u30eb \u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u7af6\u5408\u72b6\u614b\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3042\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8a2d\u5b9a\u3067\u306f glibc \u30d9\u30fc\u30b9\u306e Linux \u30b7\u30b9\u30c6\u30e0\u4e0a\u3067 root \u6a29\u9650\u306b\u3088\u308b\u672a\u8a8d\u8a3c\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002OpenSSH \u306f\u3001Secure Shell (SSH) \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30e2\u30fc\u30c8 \u30b5\u30a4\u30f3\u30a4\u30f3\u3084\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u884c\u3046\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c4\u30fc\u30eb \u30b9\u30a4\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001glibc \u30d9\u30fc\u30b9\u306e Linux \u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">syslog()<\/span> \u304c <span style=\"font-family: 'courier new', courier, monospace;\">malloc()<\/span> \u3084 <span style=\"font-family: 'courier new', courier, monospace;\">free()<\/span> \u306e\u3088\u3046\u306a\u975e\u540c\u671f\u30b7\u30b0\u30ca\u30eb\u5b89\u5168\u3067\u306f\u306a\u3044\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c root \u6a29\u9650\u3067\u306e\u672a\u8a8d\u8a3c\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304c\u8d77\u3053\u308b\u7406\u7531\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">sshd<\/span> \u306e\u7279\u6a29\u30b3\u30fc\u30c9\u304c\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5316\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u5b8c\u5168\u306a\u6a29\u9650\u3067\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002OpenBSD \u304c\u8106\u5f31\u6027\u3067\u306a\u3044\u306e\u306f\u3001OpenBSD \u306e\u30b7\u30b0\u30ca\u30eb \u30a2\u30e9\u30fc\u30e0 (SIGALRM) \u30cf\u30f3\u30c9\u30e9\u30fc\u304c <span style=\"font-family: 'courier new', courier, monospace;\">syslog_r()<\/span> \u3092\u4f7f\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<span style=\"font-family: 'courier new', courier, monospace;\">syslog_r()<\/span> \u306f <span style=\"font-family: 'courier new', courier, monospace;\">syslog()<\/span> \u306e\u975e\u540c\u671f\u30b7\u30b0\u30ca\u30eb\u5b89\u5168\u7248\u3067\u3059\u3002<\/p>\n<p>\u8868 1 \u306f\u3001CVE-2024-6387 \u306b\u95a2\u3057\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><b>\u30d0\u30fc\u30b8\u30e7\u30f3<\/b><\/td>\n<td style=\"text-align: center;\"><b>\u8106\u5f31\u6027\u304c\u3042\u308b\u304b\u3069\u3046\u304b<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" rowspan=\"2\"><span style=\"font-weight: 400;\">OpenSSH &lt; 4.4p1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u306f\u3044<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">CVE-2006-5051 \u3068 CVE-2008-4109 \u306b\u5bfe\u3057\u3066\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3055\u308c\u305f\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3066\u3044\u308b\u5834\u5408: \u3044\u3044\u3048<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">4.4p1 &lt;= OpenSSH &lt; 8.5p1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u3044\u3044\u3048<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">8.5p1 &lt;= OpenSSH &lt; 9.8p1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u306f\u3044<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868 1. CVE-2024-6387 \u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a OpenSSH \u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5185\u8a33<\/p>\n<p>2024 \u5e74 7 \u6708 1 \u65e5\u306e OpenSSH \u30ea\u30ea\u30fc\u30b9 \u30ce\u30fc\u30c8\u306b\u3088\u308b\u3068\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u914d\u7f6e\u306e\u30e9\u30f3\u30c0\u30e0\u5316 (ASLR) \u3092\u5099\u3048\u305f 32-bit Linux\/glibc \u30b7\u30b9\u30c6\u30e0\u3067\u3001\u3053\u306e\u8106\u5f31\u6027\u306e\u60aa\u7528\u304c\u6210\u529f\u3057\u305f\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u306f\u901a\u5e38\u3001\u30e9\u30dc\u6761\u4ef6\u4e0b\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u5927\u5bb9\u91cf\u307e\u3067 6 \uff5e 8 \u6642\u9593\u306e\u9023\u7d9a\u3057\u305f\u63a5\u7d9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u3042\u308b CVE-2024-6387 \u306e\u516c\u958b PoC \u304c 2024 \u5e74 7 \u6708 1 \u65e5\u306b\u30e6\u30fc\u30b6\u30fc 7etsuo \u306b\u3088\u3063\u3066 GitHub \u30e6\u30fc\u30b6\u30fc zgzhang \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u306b\u30b3\u30df\u30c3\u30c8\u3055\u308c\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306e\u691c\u8a3c\u74b0\u5883\u3067\u306f\u3053\u306e PoC \u3092\u4f7f\u3063\u3066 CVE-2024-6387 \u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u5f0a\u793e\u306e Xpanse \u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u79c1\u305f\u3061\u306f\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092 2,300 \u4e07\u53f0\u89b3\u6e2c\u3057\u307e\u3057\u305f\u30022024 \u5e74 7 \u6708 1 \u65e5\u73fe\u5728\u3001\u4e16\u754c\u4e2d\u3067 OpenSSH \u30d0\u30fc\u30b8\u30e7\u30f3 8.5p1 \uff5e 9.7p1 \u306e\u516c\u958b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f 700 \u4e07\u53f0\u4ee5\u4e0a\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3 (4.3p1 \u3068\u305d\u308c\u4ee5\u524d) \u3082\u542b\u3081\u308b\u3068\u3001\u5408\u8a08\u3067 730 \u4e07\u53f0\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u53f0\u6570\u306f\u904e\u5927\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u306f\u3001\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3092\u8003\u616e\u3057\u3066\u5f71\u97ff\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u756a\u53f7\u3092\u8868\u793a\u3059\u308b\u78ba\u5b9f\u306a\u65b9\u6cd5\u304c\u306a\u3044\u305f\u3081\u3001\u305d\u3046\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u5834\u5408\u3001\u3059\u3067\u306b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u5f71\u97ff\u3092\u53d7\u3051\u308b\u5bfe\u8c61\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002\u307e\u305f\u3053\u3053\u3067\u306e\u53f0\u6570\u306f\u3001\u8106\u5f31\u6027\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u4e0a\u3067\u5fc5\u8981\u3068\u306a\u308a\u3046\u308b OS \u30ec\u30d9\u30eb\u306e\u4ed5\u69d8\u3084\u69cb\u6210\u3082\u8003\u616e\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u8868 2 \u306f\u3001\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3 8.5p1 \uff5e 9.7p1 \u306e\u89b3\u6e2c\u7d50\u679c\u306e\u5730\u7406\u7684\u5206\u5e03\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><b>\u56fd\u540d<\/b><\/td>\n<td style=\"text-align: center;\"><b>\u4e00\u610f\u306a IP \u30a2\u30c9\u30ec\u30b9<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u7c73\u56fd<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">2,173,896<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30c9\u30a4\u30c4\u00a0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">905,859<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u4e2d\u56fd<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">435,490<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30b7\u30f3\u30ac\u30dd\u30fc\u30eb\u00a0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">296,226<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30ed\u30b7\u30a2<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">275,197<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30aa\u30e9\u30f3\u30c0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">261,212<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30d5\u30e9\u30f3\u30b9\u00a0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">248,153<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30a4\u30ae\u30ea\u30b9<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">237,329<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30a4\u30f3\u30c9<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">230,320<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u65e5\u672c\u00a0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">227,663<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u97d3\u56fd\u00a0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">136,852<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30ab\u30ca\u30c0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">119,924<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30d5\u30a3\u30f3\u30e9\u30f3\u30c9<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">110,516<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u9999\u6e2f<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">103,685<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u30aa\u30fc\u30b9\u30c8\u30e9\u30ea\u30a2<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">100,780<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868 2. CVE-2024-6387 \u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b OpenSSH \u30b5\u30fc\u30d0\u30fc\u3092\u6700\u3082\u591a\u6570\u7a3c\u50cd\u3057\u3066\u3044\u308b\u5834\u6240\u306e\u5730\u7406\u7684\u5206\u5e03\u3002\u30c8\u30c3\u30d7 15 \u307e\u3067 (2024 \u5e74 7 \u6708 1 \u65e5\u73fe\u5728)<\/p>\n<h2><a id=\"post-135375-_50343o6a6han\"><\/a>\u73fe\u5728\u306e\u653b\u6483\u30b9\u30b3\u30fc\u30d7<\/h2>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306e\u6982\u5ff5\u5b9f\u8a3c (PoC) \u30b3\u30fc\u30c9\u306f\u5b58\u5728\u3057\u307e\u3059\u304c\u30012024 \u5e74 7 \u6708 2 \u65e5\u73fe\u5728\u3001\u91ce\u751f\u3067\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u79c1\u305f\u3061\u306f\u30b3\u30fc\u30c9\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3057\u305f\u304c\u3001\u79c1\u305f\u3061\u306e\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306f\u3053\u308c\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3088\u3046\u3067\u3057\u305f\u3002\u79c1\u305f\u3061\u306f\u3001\u3053\u306e PoC \u3092\u4f7f\u3063\u3066 CVE-2024-6387 \u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-135375-_zg1rezlvhwuy\"><\/a>\u4e2d\u9593\u30ac\u30a4\u30c0\u30f3\u30b9<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3067\u306f\u3001\u3059\u3079\u3066\u306e OpenSSH \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092 OpenSSH \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3 (v9.8p1 \u4ee5\u964d) \u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<p>Prisma Cloud \u306f\u3001VM\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u3001\u30b3\u30f3\u30c6\u30ca \u30ea\u30bd\u30fc\u30b9\u3001\u30af\u30e9\u30a6\u30c9 \u30a4\u30e1\u30fc\u30b8 \u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u306a\u3069\u3001CVE-2024-6387 \u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u306e\u5b58\u5728\u3092\u691c\u51fa\u3057\u307e\u3059 (\u56f3 1 \u53c2\u7167)\u3002<\/p>\n<figure id=\"attachment_135361\" aria-describedby=\"caption-attachment-135361\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135361 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-868312-135360-1.png\" alt=\"\" width=\"900\" height=\"154\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-868312-135360-1.png 1476w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-868312-135360-1-786x134.png 786w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-868312-135360-1-768x131.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-135361\" class=\"wp-caption-text\">\u56f3 1. Prisma Cloud \u306e\u8106\u5f31\u6027\u691c\u51fa\u30b9\u30c6\u30fc\u30bf\u30b9<\/figcaption><\/figure>\n<p>Prisma Cloud \u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001\u81ea\u7d44\u7e54\u306e\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u5185\u306b\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u304b\u3064 CVE-2024-6387 \u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u300d\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u7167\u4f1a\u3067\u304d\u307e\u3059 (\u56f3 2 \u53c2\u7167)\u3002<\/p>\n<figure id=\"attachment_135363\" aria-describedby=\"caption-attachment-135363\" style=\"width: 716px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135363 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/word-image-870958-135360-2.png\" alt=\"\" width=\"716\" height=\"249\" \/><figcaption id=\"caption-attachment-135363\" class=\"wp-caption-text\">\u56f3 2. Prisma Cloud \u3067\u306e CVE-2024-6387 \u306b\u3064\u3044\u3066\u306e\u8abf\u67fb<\/figcaption><\/figure>\n<p>\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u5185\u306b RegreSSHion \u8106\u5f31\u6027\u3092\u3082\u3064\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u306e OpenSSH \u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u305d\u308c\u3089\u306e\u8106\u5f31\u306a\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u60aa\u610f\u306e\u3042\u308b\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u8abf\u67fb\u3092\u958b\u59cb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-135375-_vgezw6a4uez\"><\/a>Unit 42 \u30de\u30cd\u30fc\u30b8\u30c9 \u30b9\u30ec\u30c3\u30c8 \u30cf\u30f3\u30c6\u30a3\u30f3\u30b0 \u30c1\u30fc\u30e0\u306b\u3088\u308b\u30af\u30a8\u30ea\u30fc<\/h2>\n<p>Unit 42 \u306e\u30de\u30cd\u30fc\u30b8\u30c9 \u30b9\u30ec\u30c3\u30c8 \u30cf\u30f3\u30c6\u30a3\u30f3\u30b0 \u30c1\u30fc\u30e0\u306f\u3001\u672c CVE \u306e\u60aa\u7528\u306b\u95a2\u3059\u308b\u5f8c\u306e\u5c55\u958b\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3057\u3066\u3044\u304d\u307e\u3059\u3002Cortex XDR \u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e XQL \u30af\u30a8\u30ea\u30fc\u3092\u5229\u7528\u3057\u3066\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306e OpenSSH \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30db\u30b9\u30c8\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">\/\/ CVE-2024-6387 \u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u30db\u30b9\u30c8\u3092\u8b58\u5225\u3059\u308b\u30af\u30a8\u30ea\u30fc\r\npreset = host_inventory_applications\r\n| filter endpoint_type = ENUM.AGENT_TYPE_SERVER\r\n| filter lowercase(application_name) ~= \"openssh(-server)?\"\r\n| alter product_major_version = to_number(arrayindex(split(raw_version, \".\"), 0)),\r\n    product_minor_version_stage_1 = arrayindex(split(raw_version, \".\"), 1),\r\n    product_rev = to_number(arrayindex(split(raw_version, \"p\"), 1))\r\n| alter product_minor_version = to_number(arrayindex(split(product_minor_version_stage_1, \"p\"), 0))\r\n\/\/ (name:\"openssh\" and version&lt;4.4) or (name:\"openssh\" and version&lt;9.8 and version&gt;=8.5)\r\n| filter product_major_version &lt; 4 or (product_major_version = 4 and product_minor_version &lt; 4) or (product_major_version = 8 and product_minor_version &gt;= 5) or (product_major_version = 9 and product_minor_version &lt; 8)\r\n| fields endpoint_name, application_name, raw_version, product_major_version, product_minor_version, product_rev\r\n| dedup endpoint_name<\/pre>\n<p><!-- [Format Time: 0.0004 seconds] --><\/p>\n<h2><a id=\"post-135375-_2an8ryq91inv\"><\/a>\u7d50\u8ad6<\/h2>\n<p><a href=\"https:\/\/ubuntu.com\/security\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVE-2024-6387<\/a> (\u5225\u540d RegreSSHion) \u306f glibc \u30d9\u30fc\u30b9\u306e Linux \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc (<span style=\"font-family: 'courier new', courier, monospace;\">sshd<\/span>) \u306b\u304a\u3051\u308b\u30b7\u30b0\u30ca\u30eb \u30cf\u30f3\u30c9\u30e9\u30fc\u7af6\u5408\u72b6\u614b\u306e\u8106\u5f31\u6027\u3067\u3059\u3002\u672c\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u306f\u300cHigh (\u91cd\u8981) <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVSS8.1<\/a>\u300d\u3068\u8a55\u4fa1\u3055\u308c\u3066\u304a\u308a\u3001root \u6a29\u9650\u306b\u3088\u308b\u672a\u8a8d\u8a3c\u306e\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c (RCE) \u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u8106\u5f31\u6027\u306f\u30018.5p1\u301c 9.8p1 \u306e\u3059\u3079\u3066\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u3001OpenSSH \u30d0\u30fc\u30b8\u30e7\u30f3 4.4p1 \u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067 <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2006-5051\" target=\"_blank\" rel=\"noopener\">CVE-2006-5051<\/a> \u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u304c\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u304b <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2008-4109\" target=\"_blank\" rel=\"noopener\">CVE-2008-4109<\/a> \u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002<a href=\"https:\/\/security.paloaltonetworks.com\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">PAN-OS \u306e SSH \u6a5f\u80fd<\/a>\u306f CVE-2024-6387 \u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306e\u6982\u5ff5\u5b9f\u8a3c (PoC) \u30b3\u30fc\u30c9\u306f\u5b58\u5728\u3057\u307e\u3059\u304c\u30012024 \u5e74 7 \u6708 2 \u65e5\u73fe\u5728\u3001\u91ce\u751f\u3067\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u79c1\u305f\u3061\u306f\u30b3\u30fc\u30c9\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3057\u305f\u304c\u3001\u79c1\u305f\u3061\u306e\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306f\u3053\u308c\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3088\u3046\u3067\u3057\u305f\u3002\u79c1\u305f\u3061\u306f\u3001\u3053\u306e PoC \u3092\u4f7f\u3063\u3066 CVE-2024-6387 \u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-135375-_lqzcx8cug942\"><\/a>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u306b\u3088\u308b CVE-2024-6387 \u3078\u306e\u4fdd\u8b77<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u3055\u307e\u306b\u306f\u3001\u5f0a\u793e\u88fd\u54c1\/\u30b5\u30fc\u30d3\u30b9\u306e\u4fdd\u8b77\u30fb\u66f4\u65b0\u3092\u901a\u3058\u3066\u540c\u8105\u5a01\u306e\u7279\u5b9a\u30fb\u9632\u5fa1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001\u4e0b\u8a18\u306e\u96fb\u8a71\u756a\u53f7\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044 (\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u3055\u307e\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<ul>\n<li>\u5317\u7c73\u30d5\u30ea\u30fc\u30c0\u30a4\u30e4\u30eb: 866.486.4842 (866.4.UNIT42)<\/li>\n<li>EMEA: +31.20.299.3130<\/li>\n<li>APAC: +65.6983.8730<\/li>\n<li>\u65e5\u672c: (+81) 50-1790-0200<\/li>\n<\/ul>\n<h3>Cortex XSOAR<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSOAR\" target=\"_blank\" rel=\"noopener\">Cortex XSOAR<\/a>\u306f <a href=\"https:\/\/xsoar.pan.dev\/docs\/reference\/playbooks\/cve-2024-6387---open-ssh-regre-ss-hion-rce\" target=\"_blank\" rel=\"noopener\">CVE-2024-6387 \u306b\u5bfe\u5fdc\u3059\u308b\u30ec\u30b9\u30dd\u30f3\u30b9 \u30d1\u30c3\u30af\u3068\u30d7\u30ec\u30a4\u30d6\u30c3\u30af<\/a>\u3092\u516c\u958b\u3057\u3001\u7de9\u548c\u30d7\u30ed\u30bb\u30b9\u306e\u81ea\u52d5\u5316\u3001\u8fc5\u901f\u5316\u3092\u652f\u63f4\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306f\u3001\u6b21\u306e\u30bf\u30b9\u30af\u3092\u81ea\u52d5\u5316\u3057\u307e\u3059: \u6700\u521d\u306b\u3001\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u53ce\u96c6\u3001\u62bd\u51fa\u3001\u30a8\u30f3\u30ea\u30c3\u30c1\u30e1\u30f3\u30c8\u3002\u6b21\u306b\u3001Prisma Cloud \u3068 Cortex XDR XQL \u30af\u30a8\u30ea\u30fc\u3092\u4f7f\u3063\u305f\u8106\u5f31\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u691c\u7d22\u3002\u8106\u5f31\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u901a\u77e5\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u7de9\u548c\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u516c\u5f0f\u306e OpenSSH CVE-2024-6387 \u30d1\u30c3\u30c1\u3068 Unit 42 \u306b\u3088\u308b\u7de9\u548c\u63a8\u5968\u4e8b\u9805\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u3059\u307f\u3084\u304b\u306b\u901a\u77e5\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135530\" aria-describedby=\"caption-attachment-135530\" style=\"width: 1270px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-135530 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE.png\" alt=\"CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE\" width=\"1270\" height=\"3229\" srcset=\"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE.png 1270w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE-173x440.png 173w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE-275x700.png 275w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE-768x1953.png 768w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE-604x1536.png 604w, https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/07\/CVE-2024-6387_-_OpenSSH_RegreSSHion_RCE-806x2048.png 806w\" sizes=\"(max-width: 1270px) 100vw, 1270px\" \/><figcaption id=\"caption-attachment-135530\" class=\"wp-caption-text\">\u56f3 3. CVE-2024-6387 \u306e\u305f\u3081\u306e Cortex \u306e\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/figcaption><\/figure>\n<h3><a id=\"post-135375-_2m49v0ag38qw\"><\/a>Cortex XDR \/ XSIAM<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XDR\" target=\"_blank\" rel=\"noopener\">Cortex XDR<\/a>\u3001<a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSIAM\" target=\"_blank\" rel=\"noopener\">XSIAM<\/a> \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u306f\u8907\u6570\u306e\u9632\u5fa1\u5c64\u304c\u3042\u308a\u3001\u540c\u8106\u5f31\u6027\u306e\u60aa\u7528\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u3046\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u9632\u5fa1\u5c64\u306b\u306f\u3001Exploit Prevention (\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u9632\u6b62)\u3001Local AI analysis (\u30ed\u30fc\u30ab\u30eb AI \u5206\u6790)\u3001WildFire\u3001Behavioral Threat Protection (\u632f\u308b\u821e\u3044\u8105\u5a01\u5206\u6790: BTP)\u3001Reverse Shell Protection (\u30ea\u30d0\u30fc\u30b9 \u30b7\u30a7\u30eb\u4fdd\u8b77) \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u3088\u308a\u3001\u3053\u306e\u3088\u3046\u306a\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u521d\u898b\u3067\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306e\u591a\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a Behavioral Threat Protection (BTP)\u3001Advanced WildFire (AWF)\u3001Local Analysis (LA)\u3001Reverse Shell Protection \u306a\u3069\u3001\u3053\u308c\u3089\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u9632\u6b62\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135375-_c3iyw6lkrwlp\"><\/a>Cortex Xpanse<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XPANSE\" target=\"_blank\" rel=\"noopener\">Cortex Xpanse<\/a> \u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u76f4\u63a5\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u8106\u5f31\u306a OpenSSH \u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u3001\u767a\u898b\u7d50\u679c\u3092\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u306b\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u88fd\u54c1\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f\u3001\u300cInsecure OpenSSH Attack Surface Rule\u300d\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u672c\u30ea\u30b9\u30af\u306b\u95a2\u3059\u308b\u30a2\u30e9\u30fc\u30c8\u3092\u6709\u52b9\u5316\u3067\u304d\u307e\u3059\u3002\u7279\u5b9a\u7d50\u679c\u306f\u3001Threat Response Center \u307e\u305f\u306f Expander \u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8 \u30d3\u30e5\u30fc\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3053\u306e\u767a\u898b\u7d50\u679c\u306f\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406 (ASM) \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u3054\u8cfc\u5165\u3044\u305f\u3060\u3044\u3066\u3044\u308b Cortex XSIAM \u306e\u304a\u5ba2\u69d8\u3082\u3054\u5229\u7528\u306b\u306a\u308c\u307e\u3059\u3002Cortex Xpanse \u3068 XSIAM \u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308b OpenSSH \u30b5\u30fc\u30d0\u30fc\u306e\u8106\u5f31\u6027\u3092\u81ea\u52d5\u7684\u306b\u7de9\u548c\u3059\u308b\u6a5f\u80fd\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-135375-_m5cvrg1ww3e6\"><\/a>Prisma Cloud<\/h3>\n<p><a href=\"https:\/\/docs.paloaltonetworks.com\/prisma\/prisma-cloud\" target=\"_blank\" rel=\"noopener\">Prisma Cloud<\/a> \u306f CVE-2024-6387 \u306b\u5bfe\u3059\u308b\u691c\u51fa\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/docs.prismacloud.io\/en\/enterprise-edition\/content-collections\/runtime-security\/agentless-scanning\/agentless-scanning\" target=\"_blank\" rel=\"noopener\">Prisma Cloud Agent \u3068\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30ec\u30b9\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3<\/a>\u306b\u3088\u308b\u9632\u5fa1\u6a5f\u80fd\u3082\u5b58\u5728\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001<a href=\"https:\/\/docs.prismacloud.io\/en\/enterprise-edition\/content-collections\/application-security\/risk-management\/monitor-and-manage-code-build\/software-composition-analysis\/software-composition-analysis\" target=\"_blank\" rel=\"noopener\">Prisma Cloud \u306e Software Composition Analysis (\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u69cb\u6210\u5206\u6790\u3001SCA)<\/a> \u306f\u3001\u30af\u30e9\u30a6\u30c9\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u306b\u308f\u305f\u3063\u3066\u3001\u30af\u30e9\u30a6\u30c9 \u30a4\u30e1\u30fc\u30b8 \u30ea\u30dd\u30b8\u30c8\u30ea\u30fc\u5185\u3082\u542b\u3081\u3001\u8106\u5f31\u306a\u30af\u30e9\u30a6\u30c9 \u30ea\u30bd\u30fc\u30b9\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-135375-_570cbe1pdhwx\"><\/a>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.qualys.com\/regresshion-cve-2024-6387\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">OpenSSH Vulnerability: CVE-2024-6387 FAQs and Resources<\/span><\/a><span style=\"font-weight: 400;\"> \u2013 Qualys<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/ubuntu.com\/security\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2024-6387<\/span><\/a><span style=\"font-weight: 400;\"> \u2013 Ubuntu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2024-6387\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2024-6387<\/span><\/a><span style=\"font-weight: 400;\"> \u2013 CVE.org, The MITRE Corporation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/security.paloaltonetworks.com\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2024-6387 Informational Bulletin: Impact of OpenSSH regreSSHion Vulnerability<\/span><\/a><span style=\"font-weight: 400;\"> \u2013 Palo Alto Networks<\/span><\/li>\n<\/ul>\n<p><i>2024-07-03 11:10 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-02 16:20 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001\u6574\u5408\u6027\u3092\u8abf\u6574\u3001Cortex XDR \u304a\u3088\u3073 XSIAM \u306b\u95a2\u3059\u308b\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u00a0<\/i><\/p>\n<p class=\"p1\"><i>2024-07-03 11:10 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-02 13:52 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Cortex XSOAR \u306b\u95a2\u3059\u308b\u88fd\u54c1\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u00a0<\/i><\/p>\n<p><i>2024-07-04 10:00 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-03 07:04 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Cortex XDR \u304a\u3088\u3073 XSIAM \u306b\u95a2\u3059\u308b\u4fdd\u8b77\u60c5\u5831\u3092\u4e00\u90e8\u5c0f\u3055\u306a\u66f4\u65b0\u3092\u8ffd\u52a0\u00a0<\/i><\/p>\n<p><i>2024-07-09 09:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-08 14:43 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001\u56f3 3 \u306e Cortex XSOAR \u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8ffd\u52a0\u00a0<\/i><\/p>\n<p><i>2024-07-09 09:08 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2024-07-10 15:11 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Cortex XSOAR \u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u8ffd\u8a18\u00a0<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 2024 \u5e74 7 \u6708 1 \u65e5\u3001glibc \u30d9\u30fc\u30b9\u306e Linux \u30b7\u30b9\u30c6\u30e0\u4e0a\u306e OpenSSH \u30b5\u30fc\u30d0\u30fc (sshd) \u306b\u91cd\u5927\u306a\u30b7\u30b0\u30ca\u30eb \u30cf\u30f3\u30c9\u30e9\u30fc\u7af6\u5408\u72b6\u614b\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u672c\u8106\u5f31\u6027\u306f\u300cRegreSSHion<\/p>\n","protected":false},"author":23,"featured_media":134412,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4436,4432,4470],"tags":[8340,8183,8341,4853,6597],"product_categories":[4444,4446,8283,4447,4448,4449,4450,4451,4455,4456,4458,4465],"coauthors":[1025],"class_list":["post-135375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-cybersecurity-research-ja","category-top-cyberthreats-ja","category-vulnerabilities-ja","tag-cve-2024-6387-ja","tag-openssh-ja","tag-regresshion-ja","tag-remote-code-execution-ja","tag-ssh-ja","product_categories-advanced-wildfire-ja","product_categories-cloud-delivered-security-services-ja","product_categories-code-to-cloud-platform-ja","product_categories-cortex-ja","product_categories-cortex-xdr-ja","product_categories-cortex-xpanse-ja","product_categories-cortex-xsiam-ja","product_categories-cortex-xsoar-ja","product_categories-managed-threat-hunting-ja","product_categories-next-generation-firewall-ja","product_categories-prisma-cloud-ja","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- 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