{"id":129165,"date":"2023-07-12T18:39:11","date_gmt":"2023-07-13T01:39:11","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=129165"},"modified":"2024-07-30T18:06:50","modified_gmt":"2024-07-31T01:06:50","slug":"cve-2023-36884-rce","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/","title":{"rendered":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/d7KcFeBq9nQ\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2>\u6982\u8981<\/h2>\n<p>Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6708\u4f8b\u66f4\u65b0\u3067\u306f\u300cOffice\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027(CVE-2023-36884)\u300d\u304c\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u6df1\u523b\u5ea6\u306f\u300c\u91cd\u8981(Critical)\u300d\u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002Microsoft\u306f\u3059\u3067\u306b\u3001\u7279\u5225\u306a\u7d30\u5de5\u3092\u3057\u305fMicrosoft Office\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308a\u540c\u8106\u5f31\u6027\u304c\u91ce\u751f(in the wild)\u3067\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3059\u3092\u89b3\u6e2c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u60aa\u610f\u306e\u3042\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u958b\u304f\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Unit 42\u306e\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9 \u30c1\u30fc\u30e0\u306f\u3053\u306e\u8106\u5f31\u6027\u304c\u9045\u304f\u3068\u30822023\u5e747\u67083\u65e5\u6642\u70b9\u3067\u3059\u3067\u306b\u60aa\u7528\u304c\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u73fe\u5728\u3082\u7d99\u7d9a\u3057\u3066\u884c\u308f\u308c\u3066\u3044\u308b\u5206\u6790\u304c\u6e08\u307f\u3057\u3060\u3044\u672c\u8105\u5a01\u6982\u8981\u306f\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Microsoft \u306f\u672c\u8106\u5f31\u6027\u306e\u5b9f\u884c\u306b\u3064\u306a\u304c\u308b\u653b\u6483\u30c1\u30a7\u30fc\u30f3\u3092\u9632\u6b62\u3059\u308b <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/ADV230003\" target=\"_blank\" rel=\"noopener\">Microsoft Office \u7528\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<\/a>\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002Microsoft \u306f\u3001\u672c\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9069\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u9632\u6b62\u306e\u305f\u3081\u306b Office\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u5b50\u30d7\u30ed\u30bb\u30b9\u306e\u4f5c\u6210\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u304b\u3001<span style=\"font-family: 'courier new', courier, monospace;\">FEATURE_BLOCK_CROSS_PROTOCOL_FILE_NAVIGATION<\/span>\u30ec\u30b8\u30b9\u30c8\u30ea \u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u540c\u793e\u306e<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/ja-jp\/vulnerability\/CVE-2023-36884\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<\/a> \u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\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\u3067CVE-2023-36884\u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3068\u7de9\u548c\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u540c\u8105\u5a01\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u8105\u5a01\u306b\u5bfe\u3057\u500b\u5225\u306e\u652f\u63f4\u3092\u5fc5\u8981\u3068\u3055\u308c\u308b\u5834\u5408\u306f <a href=\"https:\/\/start.paloaltonetworks.jp\/contact-unit42.html\">Unit 42 \u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9<\/a>\u30c1\u30fc\u30e0\u3092\u3054\u7528\u547d\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/li>\n<li>Cortex XDR \u3068 XSIAM \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001CVE-2023-36884 \u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u95a2\u9023\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304b\u3089\u306e\u4fdd\u8b77\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u307e\u305f\u3001Windows \u74b0\u5883\u306e RomCom \u30d0\u30a4\u30ca\u30ea\u30fc\u3092\u30ed\u30fc\u30ab\u30eb\u5206\u6790\u306b\u3088\u3063\u3066\u691c\u51fa\u3057\u307e\u3059\u3002<\/li>\n<li>Cortex XDR \u306f CVE-2023-36884 \u306b\u5bfe\u3059\u308b\u516c\u77e5\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8 \u30c1\u30a7\u30fc\u30f3\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n<li>Advanced WildFire \u306f\u3001\u9ad8\u3044\u56de\u907f\u80fd\u529b\u3092\u3082\u3064\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u95a2\u4e0e\u3059\u308b\u653b\u6483\u306e\u691c\u51fa\u30fb\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li>Advanced Threat Prevention\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u88fd\u54c1\u306f\u3001\u95a2\u9023\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3068\u653b\u6483\u306e\u30d6\u30ed\u30c3\u30af\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li>\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30fc\u30d3\u30b9\u306f\u3001\u672c\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f C2 \u30c9\u30e1\u30a4\u30f3\u3092\u300c\u60aa\u610f\u306e\u3042\u308b\u3082\u306e (malicious)\u300d\u3068\u3057\u3066\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>Unit 42\u306f\u3001\u65b0\u305f\u306a\u60c5\u5831\u3001PoC(\u6982\u5ff5\u5b9f\u8a3c)\u30b3\u30fc\u30c9\u306e\u516c\u958b\u3001\u3055\u3089\u306a\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8513\u5ef6\u306e\u75d5\u8de1\u306b\u3064\u3044\u3066\u5f15\u304d\u7d9a\u304d\u72b6\u6cc1\u3092\u76e3\u8996\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u672c\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u306a\u3089\u3073\u306b\u7de9\u548c\u7b56\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306f\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 30%;\"><b>\u672c\u7a3f\u3067\u6271\u3046\u8106\u5f31\u6027<\/b><\/td>\n<td style=\"width: 70%;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/cve-2023-36884-ja\/\" target=\"_blank\" rel=\"noopener\">CVE-2023-36884<\/a>, <a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/romcom-rat-ja\/\" target=\"_blank\" rel=\"noopener\">RomCom RAT<\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"detailsofvuln\"><\/a>\u8106\u5f31\u6027\u306e\u8a73\u7d30<\/h2>\n<p>Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6708\u4f8b\u66f4\u65b0\u3067\u306f\u300cOffice\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027(CVE-2023-36884)\u300d\u304c\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u6df1\u523b\u5ea6\u306f\u300c\u91cd\u8981(Critical)\u300d\u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002Microsoft\u306f\u3059\u3067\u306b\u3001\u7279\u5225\u306a\u7d30\u5de5\u3092\u3057\u305fMicrosoft Office\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308a\u540c\u8106\u5f31\u6027\u304c\u91ce\u751f(in the wild)\u3067\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3059\u3092\u89b3\u6e2c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u306b\u89b3\u6e2c\u3055\u308c\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u4f8b\u306f\u3059\u3079\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u60aa\u610f\u306e\u3042\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u958b\u304f\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u60aa\u610f\u306e\u3042\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u958b\u304f\u3068\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u30921\u3064\u542b\u3080\u30d5\u30a1\u30a4\u30eb\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c iframe \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u3001\u305d\u306e\u7d50\u679c\u3001\u60aa\u610f\u306e\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u30d9\u30fc\u30b9\u3068\u306a\u3063\u305f\u8106\u5f31\u6027\u304c\u305d\u306e\u914d\u4fe1\u306b\u3042\u305f\u3063\u3066\u30aa\u30d5\u30a3\u30b9\u6587\u66f8\u3092\u5229\u7528\u3057\u3066\u3044\u305f\u306e\u304b\u3069\u3046\u304b\u306f\u73fe\u6642\u70b9\u3067\u306f\u4e0d\u660e\u3067\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u3001\u306a\u3093\u3089\u304b\u306e\u672a\u78ba\u8a8d\u306e\u914d\u5e03\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u3063\u3066\u884c\u308f\u308c\u3066\u3044\u305f\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070 Microsoft \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u30fc\u3067\u306f\u3001\u3042\u308b\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u4ee5\u4e0b\u306b 9 \u3064\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u305d\u308c\u3089\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u300c\u4fe1\u983c\u3055\u308c\u306a\u3044\u30be\u30fc\u30f3 (\u4f8b: \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30be\u30fc\u30f3\u3084\u5236\u9650\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306e\u30be\u30fc\u30f3) \u300d\u3092\u767a\u4fe1\u5143\u3068\u3057\u3066 <span style=\"font-family: 'courier new', courier, monospace;\">file:<\/span> \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3046 URL \u3092\u30d6\u30ed\u30c3\u30af\u3055\u305b\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u8ffd\u52a0\u63a8\u5968\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e 1 \u3064\u306b<span style=\"font-family: 'courier new', courier, monospace;\">wordpad.exe<\/span> \u304c\u3042\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"currentattack-scope\"><\/a>\u73fe\u5728\u306e\u653b\u6483\u30b9\u30b3\u30fc\u30d7<\/h2>\n<p>Unit 42\u306e\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9 \u30c1\u30fc\u30e0\u306f\u3053\u306e\u8106\u5f31\u6027\u304c\u9045\u304f\u3068\u30822023\u5e747\u67083\u65e5\u6642\u70b9\u3067\u3059\u3067\u306b\u60aa\u7528\u304c\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8106\u5f31\u6027\u306e\u521d\u671f\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u306f Microsoft \u304c 2023 \u5e74 7 \u6708 11 \u65e5\u306b\u5831\u544a\u3057\u305f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/romcom-rat-ja\/\" target=\"_blank\" rel=\"noopener\">RomCom<\/a> \u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f7f\u7528\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002RomCom \u306f\u30012022 \u5e74 5 \u6708\u306b Unit 42 \u304c\u6700\u521d\u306b\u89b3\u6e2c\u3057\u305f\u30de\u30eb\u30a6\u30a7\u30a2 \u30d5\u30a1\u30df\u30ea\u30fc\u3067\u3059\u3002\u653b\u6483\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u306f\u4f4e\u304f\u3001\u904e\u53bb 1 \u5e74\u3092\u901a\u3058\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u3084\u30b9\u30d1\u30a4\u6d3b\u52d5\u306b\u95a2\u9023\u3059\u308b\u6a19\u7684\u578b\u653b\u6483\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u653b\u6483\u3067\u89b3\u6e2c\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u30ea\u30e2\u30fc\u30c8 \u30a2\u30af\u30bb\u30b9\u578b\u30c8\u30ed\u30a4\u306e\u6728\u99ac (RAT) \u3068\u3057\u3066\u52d5\u4f5c\u3057\u3001\u653b\u6483\u8005\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306e\u4e00\u89a7\u8868\u793a\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6539\u3056\u3093\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u306a\u3069\u3092\u306f\u3058\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"cve-interimguide\"><\/a>\u4e2d\u9593\u30ac\u30a4\u30c0\u30f3\u30b9<\/h2>\n<p><span style=\"font-weight: 400;\">Microsoft \u306f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u9632\u6b62\u306e\u305f\u3081\u3001Office \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u5b50\u30d7\u30ed\u30bb\u30b9\u306e\u4f5c\u6210\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u304b\u3001<\/span><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">FEATURE_BLOCK_CROSS_PROTOCOL_FILE_NAVIGATION<\/span><span style=\"font-weight: 400;\"> \u30ec\u30b8\u30b9\u30c8\u30ea \u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u540c\u793e\u306e<\/span><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/ja-jp\/vulnerability\/CVE-2023-36884\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<\/span><\/a><span style=\"font-weight: 400;\"> \u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<h2><a id=\"cve-conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p><span style=\"font-weight: 400;\">\u516c\u958b\u3055\u308c\u305f\u60c5\u5831\u304c\u591a\u3055\u3084\u73fe\u5728\u306e\u30ea\u30b5\u30fc\u30c1\u3084\u5206\u6790\u306e\u7d50\u679c\u304b\u3089\u3001<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/ADV230003\" target=\"_blank\" rel=\"noopener\">Microsoft Office \u7528\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<\/a>\u3092\u540c\u793e\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u5f93\u3063\u3066\u9069\u7528\u3057\u3001\u7d44\u7e54\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3068Unit 42\u306f\u3001\u65b0\u305f\u306a\u60c5\u5831\u3001PoC(\u6982\u5ff5\u5b9f\u8a3c)\u30b3\u30fc\u30c9\u306e\u516c\u958b\u3001\u3055\u3089\u306a\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u8513\u5ef6\u306e\u75d5\u8de1\u306b\u3064\u3044\u3066\u5f15\u304d\u7d9a\u304d\u72b6\u6cc1\u3092\u76e3\u8996\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u6b21\u306e\u5404\u88fd\u54c1\u3068\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u3053\u306e\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u3057\u3060\u3044\u3001\u672c\u7a3f\u306f\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb \u30b5\u30f3\u30d7\u30eb\u3084IoC(\u4fb5\u5bb3\u6307\u6a19)\u3092\u3075\u304f\u3080\u8abf\u67fb\u7d50\u679c\u3092Cyber Threat Alliance (CTA: \u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30e9\u30a4\u30a2\u30f3\u30b9)\u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3057\u307e\u3057\u305f\u3002CTA \u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3053\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u304a\u5ba2\u69d8\u306b\u4fdd\u8b77\u3092\u8fc5\u901f\u306b\u63d0\u4f9b\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u3092\u4f53\u7cfb\u7684\u306b\u963b\u5bb3\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f <\/span><a href=\"https:\/\/www.cyberthreatalliance.org\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Cyber Threat Alliance<\/span><\/a>\u306b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff61<\/p>\n<h2><a id=\"post-129165-_lqzcx8cug942\"><\/a>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u88fd\u54c1\u306b\u3088\u308bCVE-2023-36884\u304b\u3089\u306e\u4fdd\u8b77<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306b\u306f\u3001\u5f0a\u793e\u88fd\u54c1\/\u30b5\u30fc\u30d3\u30b9\u306e\u4fdd\u8b77\u30fb\u66f4\u65b0\u3092\u901a\u3058\u3001\u540c\u8105\u5a01\u306e\u7279\u5b9a\u30fb\u9632\u5fa1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"incident-response\"><\/a>Unit 42\u306b\u3088\u308b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc<\/h3>\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\">\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089\u3054\u9023\u7d61\u3044\u305f\u3060\u304f\u304b\u3001infojapan@paloaltonetworks.com\u307e\u3067\u30e1\u30fc\u30eb\u306b\u3066\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\u69d8\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>\u6b27\u5dde: +31.20.299.3130<\/li>\n<li>\u30a2\u30b8\u30a2\u592a\u5e73\u6d0b: +65.6983.8730<\/li>\n<li>\u65e5\u672c: +81.50.1790.0200<\/li>\n<\/ul>\n<h3><a id=\"advancedwildfire-cve\"><\/a><strong>Advanced Wildfire<\/strong><\/h3>\n<p>Advanced WildFire\u306f\u8907\u6570\u306e\u6280\u8853 (\u81ea\u52d5\u30a2\u30f3\u30d1\u30c3\u30af\u3001\u4f9d\u5b58\u95a2\u4fc2\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u30e9\u30f3\u30bf\u30a4\u30e0 \u30e1\u30e2\u30ea\u30fc\u5206\u6790\u3001\u6a5f\u68b0\u5b66\u7fd2\u3001\u9759\u7684\u5206\u6790\u3001\u52d5\u7684\u5206\u6790\u3001\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u5206\u6790\u306a\u3069) \u3092\u4f7f\u7528\u3057\u3001RomCom \u30de\u30eb\u30a6\u30a7\u30a2\u3092\u306f\u3058\u3081\u9ad8\u3044\u56de\u907f\u80fd\u529b\u3092\u3082\u3064\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u305d\u306e\u4e9c\u7a2e\u3092\u691c\u51fa\u3057\u3001\u305d\u308c\u3089\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<h3><a id=\"ngfw-cve\"><\/a><strong>Advanced Threat Prevention \u3092\u6709\u52b9\u306b\u3057\u305f\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068 Prisma Access<\/strong><\/h3>\n<p><a href=\"https:\/\/docs.paloaltonetworks.com\/advanced-threat-prevention\/administration\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Advanced Threat Prevention<\/span><\/a><span style=\"font-weight: 400;\"> \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u306b\u3057\u305f <\/span><a href=\"https:\/\/docs.paloaltonetworks.com\/ngfw\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb (NGFW-series)<\/span><\/a><span style=\"font-weight: 400;\"> \u306f\u95a2\u9023\u3059\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3068\u653b\u6483\u3092\u6b21\u306e Threat Prevention signatures \u306b\u3088\u308a\u9632\u6b62\u3067\u304d\u307e\u3059: <\/span><a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=86775\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">86775<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=86776\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">86776<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/threatvault.paloaltonetworks.com\/?query=86777\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">86777<\/span><\/a><\/p>\n<h3><a id=\"cdss-cve\"><\/a><strong>\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9<\/strong><\/h3>\n<p>\u3053\u306e\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u95a2\u9023\u3059\u308b<span style=\"font-weight: 400;\">\u95a2\u9023\u3059\u308b\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb (C2) \u30c9\u30e1\u30a4\u30f3<\/span><span style=\"font-weight: 400;\">\u306f<\/span> <a href=\"https:\/\/docs.paloaltonetworks.com\/pan-os\/10-1\/pan-os-new-features\/url-filtering-features\/advanced-url-filtering\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Advanced URL Filtering<\/span><\/a><span style=\"font-weight: 400;\"> \u3068 <\/span><a href=\"https:\/\/docs.paloaltonetworks.com\/dns-security\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DNS Security<\/span><\/a><span style=\"font-weight: 400;\"> \u306b\u3088\u3063\u3066\u300c\u60aa\u610f\u304c\u3042\u308b\u3082\u306e (malicious)\u300d\u3068\u3057\u3066\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<h3><a id=\"cortex-xsoar\"><\/a>Cortex XSOAR<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSOAR\"><span style=\"font-weight: 400;\">Cortex XSOAR<\/span><\/a> \u306f <a href=\"https:\/\/xsoar.pan.dev\/docs\/reference\/playbooks\/cve-2023-36884---microsoft-office-and-windows-html-rce\"><span style=\"font-weight: 400;\">CVE-2023-36884<\/span><\/a> \u306b\u5bfe\u5fdc\u3059\u308b\u30ec\u30b9\u30dd\u30f3\u30b9 \u30d1\u30c3\u30af\u3068\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\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<\/p>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306f\u4ee5\u4e0b\u306e\u30bf\u30b9\u30af\u3092\u81ea\u52d5\u5316\u3057\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4fb5\u5bb3\u306e\u6307\u6a19 (IoC) \u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8 \u30d1\u30bf\u30fc\u30f3\u306e\u4e00\u90e8\u3067\u3042\u308b\u3068\u8b58\u5225\u3055\u308c\u305f\u632f\u308b\u821e\u3044\u306b\u95a2\u9023\u3059\u308b\u8105\u5a01\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Microsoft \u306e\u7de9\u548c\u7b56<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u672c\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u306f\u624b\u52d5\u3067\u958b\u59cb\u3059\u308b\u3053\u3068\u3082\u30b8\u30e7\u30d6\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h3><a id=\"post-129165-_2m49v0ag38qw\"><\/a>Cortex XDR\u3068Cortex XSIAM<\/h3>\n<p><a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XDR\">Cortex XDR<\/a> \u3068 <a href=\"https:\/\/docs-cortex.paloaltonetworks.com\/p\/XSIAM\">Cortex XSIAM<\/a> <span style=\"font-weight: 400;\">\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f<\/span>\u3001<span style=\"font-weight: 400;\">BTP (\u632f\u308b\u821e\u3044\u8105\u5a01\u9632\u5fa1)\u3001\u8907\u6570\u306e\u4fdd\u8b77\u30e2\u30b8\u30e5\u30fc\u30eb\u3001Cortex Analytics \u3092\u4f7f\u7528\u3057\u305f\u4e0d\u5be9\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u691c\u51fa<\/span>\u3001<span style=\"font-weight: 400;\"> Windows\u74b0\u5883\u306e RomCom \u30d0\u30a4\u30ca\u30ea\u30fc\u306e\u30ed\u30fc\u30ab\u30eb\u5206\u6790\u691c\u51fa<\/span><span style=\"font-weight: 400;\">\u306a\u3069\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u672c\u7a3f\u3067\u89e3\u8aac\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304b\u3089\u306e<\/span><span style=\"font-weight: 400;\">\u4fdd\u8b77\u306b<\/span>\u5f79\u7acb\u3061\u307e\u3059<span style=\"font-weight: 400;\">\u3002<\/span>Cortex XDR \u306f CVE-2023-36884 \u306b\u5bfe\u3059\u308b\u516c\u77e5\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8 \u30c1\u30a7\u30fc\u30f3\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"cve-iocs\"><\/a>IoC<\/h2>\n<ul>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">a61b2eafcf39715031357df6b01e85e0d1ea2e8ee1dfec241b114e18f7a1163f<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">e7cfeb023c3160a7366f209a16a6f6ea5a0bc9a3ddc16c6cba758114dfe6b539<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">3a3138c5add59d2172ad33bc6761f2f82ba344f3d03a2269c623f22c1a35df97<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">48142dc7fe28a5d8a849fff11cb8206912e8382314a2f05e72abad0978b27e90<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">07377209fe68a98e9bca310d9749daa4eb79558e9fc419cf0b02a9e37679038d<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">5f40cb4852ec50ee24f3cd951a172c725d02012d17dd645b6ce22d324aa140ad<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">1a7bb878c826fe0ca9a0677ed072ee9a57a228a09ee02b3c5bd00f54f354930f<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">0501d09a219131657c54dba71faf2b9d793e466f2c7fdf6b0b3c50ec5b866b2a<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">74.50.94[.]156\u00a0<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">94.232.40[.]34<\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\"><span style=\"font-weight: 400;\">66.23.226[.]102<\/span><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\"><span style=\"font-weight: 400;\">104.234.239[.]26<\/span><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\"><span style=\"font-weight: 400;\">65.21.27[.]250<\/span><\/span><\/li>\n<li><span style=\"font-family: 'courier new', courier, monospace;\"><span style=\"font-weight: 400;\">finformservice[.]com<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">altimata[.]org<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">penofach[.]com<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">bentaxworld[.]com<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">wexonlake[.]com<\/span><\/li>\n<li><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">ukrainianworldcongress[.]info<\/span><\/li>\n<\/ul>\n<p><i>2023-07-14 17:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-07-13 15:00 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Advanced Wildfire \u306e\u4fdd\u8b77\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8ffd\u8a18<\/i><\/p>\n<p><em>2023-07-14 17:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-07-13 20:45 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u72b6\u6cc1\u3068\u691c\u51fa\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8ffd\u8a18\u00a0<\/em><\/p>\n<p><em>2023-07-18 11:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-07-14 11:58 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304a\u3088\u3073\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30b5\u30fc\u30d3\u30b9\u306b\u3088\u308b\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3002Cortex XDR\u3068XSIAM\u306e\u4fdd\u8b77\u60c5\u5831\u3092\u66f4\u65b0\u3002\u8a73\u7d30\u3001\u653b\u6483\u30b9\u30b3\u30fc\u30d7\u3001\u4e2d\u9593\u30ac\u30a4\u30c0\u30f3\u30b9\u3001\u8105\u5a01\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea\u30fc\u3092\u8ffd\u8a18\u3002IoC \u306e\u4e00\u89a7\u3092\u8ffd\u8a18\u3002\u00a0<\/em><\/p>\n<p><em>2023-07-18 11:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-07-17 16:15 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Cortex XSOAR \u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u8ffd\u8a18<\/em><\/p>\n<p><em>2023-08-09 09:50 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-08-09 10:35 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057Microsoft \u304c\u516c\u958b\u3057\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8ffd\u8a18<\/em><\/p>\n<p><em>2023-08-14 10:38 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2023-08-10 10:25 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620\u3057\u3001Cortex XDR \u306b\u3088\u308b\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6708\u4f8b\u66f4\u65b0\u3067\u306f\u300cOffice\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027(CVE-2023-36884)\u300d\u304c\u516c<\/p>\n","protected":false},"author":23,"featured_media":134414,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4432,4428,4470],"tags":[4847,4851,5051,4853,5053],"product_categories":[4442,4444,4446,4447,4448,4450,4451,4456,4465],"coauthors":[1025],"class_list":["post-129165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-cyberthreats-ja","category-threat-research-ja","category-vulnerabilities-ja","tag-cve-2023-36884-ja","tag-microsoft-office-ja","tag-microsoft-windows-ja","tag-remote-code-execution-ja","tag-romcom-rat-ja","product_categories-advanced-threat-prevention-ja","product_categories-advanced-wildfire-ja","product_categories-cloud-delivered-security-services-ja","product_categories-cortex-ja","product_categories-cortex-xdr-ja","product_categories-cortex-xsiam-ja","product_categories-cortex-xsoar-ja","product_categories-next-generation-firewall-ja","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)<\/title>\n<meta name=\"description\" content=\"Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067Office\u3068Windows HTML\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027 CVE-2023-36884 \u3092\u958b\u793a\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u60aa\u7528\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306b\u5206\u6790\u3001\u7de9\u548c\u7b56\u3001\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)\" \/>\n<meta property=\"og:description\" content=\"Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067Office\u3068Windows HTML\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027 CVE-2023-36884 \u3092\u958b\u793a\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u60aa\u7528\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306b\u5206\u6790\u3001\u7de9\u548c\u7b56\u3001\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/\" \/>\n<meta property=\"og:site_name\" content=\"Unit 42\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T01:39:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-31T01:06:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Unit 42\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)","description":"Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067Office\u3068Windows HTML\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027 CVE-2023-36884 \u3092\u958b\u793a\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u60aa\u7528\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306b\u5206\u6790\u3001\u7de9\u548c\u7b56\u3001\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/","og_locale":"ja_JP","og_type":"article","og_title":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)","og_description":"Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067Office\u3068Windows HTML\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027 CVE-2023-36884 \u3092\u958b\u793a\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u60aa\u7528\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306b\u5206\u6790\u3001\u7de9\u548c\u7b56\u3001\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002","og_url":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/","og_site_name":"Unit 42","article_published_time":"2023-07-13T01:39:11+00:00","article_modified_time":"2024-07-31T01:06:50+00:00","og_image":[{"width":1920,"height":900,"url":"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg","type":"image\/jpeg"}],"author":"Unit 42","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#article","isPartOf":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/"},"author":{"name":"Unit 42","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/a891f81d18648a1e0bab742238d31a63"},"headline":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)","datePublished":"2023-07-13T01:39:11+00:00","dateModified":"2024-07-31T01:06:50+00:00","mainEntityOfPage":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/"},"wordCount":353,"commentCount":0,"image":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#primaryimage"},"thumbnailUrl":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg","keywords":["CVE-2023-36884","Microsoft Office","Microsoft Windows","Remote Code Execution","ROMCOM RAT"],"articleSection":["\u4e3b\u306a\u30b5\u30a4\u30d0\u30fc\u8105\u5a01","\u8105\u5a01\u30ea\u30b5\u30fc\u30c1","\u8106\u5f31\u6027"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/","url":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/","name":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)","isPartOf":{"@id":"https:\/\/unit42.paloaltonetworks.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#primaryimage"},"image":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#primaryimage"},"thumbnailUrl":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg","datePublished":"2023-07-13T01:39:11+00:00","dateModified":"2024-07-31T01:06:50+00:00","author":{"@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/a891f81d18648a1e0bab742238d31a63"},"description":"Microsoft\u306f7\u6708\u306e\u6708\u4f8b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067Office\u3068Windows HTML\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027 CVE-2023-36884 \u3092\u958b\u793a\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u60aa\u7528\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u3057\u3060\u3044\u672c\u7a3f\u306b\u5206\u6790\u3001\u7de9\u548c\u7b56\u3001\u4fdd\u8b77\u60c5\u5831\u3092\u8ffd\u8a18\u3057\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#primaryimage","url":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg","contentUrl":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2024\/06\/04_Vulnerabilities_1920x900.jpg","width":1920,"height":900,"caption":"A glowing red wifi symbol"},{"@type":"BreadcrumbList","@id":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2023-36884-rce\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/unit42.paloaltonetworks.com\/ja\/"},{"@type":"ListItem","position":2,"name":"[2023-08-14 \u66f4\u65b0] \u8105\u5a01\u306e\u6982\u8981: Microsoft Office\u304a\u3088\u3073Windows HTML\u306b\u304a\u3051\u308b\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027(CVE-2023-36884)"}]},{"@type":"WebSite","@id":"https:\/\/unit42.paloaltonetworks.com\/#website","url":"https:\/\/unit42.paloaltonetworks.com\/","name":"Unit 42","description":"Palo Alto Networks","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/unit42.paloaltonetworks.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/a891f81d18648a1e0bab742238d31a63","name":"Unit 42","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/unit42.paloaltonetworks.com\/#\/schema\/person\/image\/5b5a1c33b73a577ebaf42f25081b0ebd","url":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2025\/09\/Insights_headshot-placeholder-300x300.jpg","contentUrl":"https:\/\/origin-unit42.paloaltonetworks.com\/wp-content\/uploads\/2025\/09\/Insights_headshot-placeholder-300x300.jpg","caption":"Unit 42"},"url":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/author\/unit42\/"}]}},"_links":{"self":[{"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/129165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/comments?post=129165"}],"version-history":[{"count":12,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/129165\/revisions"}],"predecessor-version":[{"id":135969,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/posts\/129165\/revisions\/135969"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/media\/134414"}],"wp:attachment":[{"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/media?parent=129165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/categories?post=129165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/tags?post=129165"},{"taxonomy":"product_categories","embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/product_categories?post=129165"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/wp-json\/wp\/v2\/coauthors?post=129165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}