{"id":106213,"date":"2018-01-19T13:00:41","date_gmt":"2018-01-19T21:00:41","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=106213"},"modified":"2020-04-08T23:43:57","modified_gmt":"2020-04-09T06:43:57","slug":"unit42-traps-prevents-microsoft-office-equation-editor-zero-day-cve-2017-11882","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/unit42-traps-prevents-microsoft-office-equation-editor-zero-day-cve-2017-11882\/","title":{"rendered":"Traps \u304c Microsoft Office \u306e\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf\u306b\u304a\u3051\u308b\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027 CVE-2018-0802 \u306e\u60aa\u7528\u3092\u963b\u6b62"},"content":{"rendered":"

\u6982\u8981<\/h2>\n

2017 \u5e74 11 \u6708\u3001Microsoft \u306f\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf\u306b\u542b\u307e\u308c\u308b\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u60aa\u7528\u53ef\u80fd\u306a\u8106\u5f31\u6027 (CVE-2017-11882) \u306b\u624b\u4f5c\u696d\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf\u306f\u6587\u66f8\u306b\u6570\u5b66\u306e\u65b9\u7a0b\u5f0f\u3092\u8a18\u8ff0\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002Unit 42 \u30ea\u30b5\u30fc\u30c1\u30c1\u30fc\u30e0\u306f\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306a\u5206\u6790\u306b\u3064\u3044\u3066\u3053\u3061\u3089\u306e\u30d6\u30ed\u30b0<\/a>\u3067\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u4ee5\u964d\u3082 Microsoft \u306f\u8907\u6570\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d9\u30f3\u30c0\u304b\u3089\u8ffd\u52a0\u3067\u5831\u544a\u3092\u53d7\u3051\u3066\u304a\u308a\u3001\u305d\u306e\u5831\u544a\u306b\u3088\u308c\u3070\u5f53\u8a72\u30d1\u30c3\u30c1\u9069\u7528\u5f8c\u3082\u60aa\u7528\u53ef\u80fd\u306a\u5225\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002Microsoft \u306f\u3053\u306e\u5225\u306e\u8106\u5f31\u6027\u3092\u00a0CVE-2018-0802<\/a>\u00a0\u3068\u3057\u3066\u6271\u3044\u30012018 \u5e74 1 \u6708\u306e\u6708\u6b21\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3053\u306e\u554f\u984c\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u306e\u8106\u5f31\u6027\u306f\u3001FONT \u30ec\u30b3\u30fc\u30c9\u5185\u306e\u9577\u3044\u30d5\u30a9\u30f3\u30c8\u540d\u3092\u30d1\u30fc\u30b9\u3059\u308b\u969b\u306b\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u767a\u751f\u3059\u308b\u554f\u984c<\/a>\u3067\u3001CVE-2017-11882 \u3068\u985e\u4f3c\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u8a72\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u30ed\u30b0\u30aa\u30f3\u4e2d\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u672c\u7a3f\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u898b\u3064\u304b\u3063\u305f\u3053\u306e\u65b0\u3057\u3044 FONT \u30ec\u30b3\u30fc\u30c9\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b RTF \u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u691c\u4f53\u304c\u898b\u3064\u304b\u3063\u305f\u306e\u306f 2018 \u5e74 1 \u6708 3 \u65e5\u3067\u3057\u305f\u3002\u3064\u307e\u308a\u3001Microsoft \u304c\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 2018 \u5e74 1 \u6708 9 \u65e5\u306b\u516c\u958b\u3059\u308b\u524d\u304b\u3089\u653b\u6483\u8005\u306f CVE-2018-0802 \u3092\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u30b7\u30ca\u30ea\u30aa\u3067\u6d3b\u7528\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\n
\"\u56f3<\/a>
\u56f3 1 \u2013 \u60aa\u610f\u306e\u3042\u308b\u691c\u4f53\u3067\u89b3\u6e2c\u3055\u308c\u305f\u653b\u6483\u30d5\u30ed\u30fc<\/figcaption><\/figure>\n<\/div>\n

\u56f3 1 \u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u691c\u4f53\u3067\u89b3\u6e2c\u3055\u308c\u305f\u653b\u6483\u30d5\u30ed\u30fc\u3067\u3059\u3002\u7b2c\u4e00\u6bb5\u968e\u3067\u306f\u3001\u88ab\u5bb3\u8005\u304c\u60aa\u610f\u306e\u3042\u308b RTF \u6587\u66f8\u3092\u958b\u304d\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u5f53\u8a72\u6587\u66f8\u304c\u3001\u57cb\u3081\u8fbc\u307f\u306e\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u300d\u3092\u4f7f\u3063\u3066\u3001\u300cSetup.zip\u300d\u3068\u3044\u3046\u540d\u524d\u306e DLL \u3092\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u300c%TEMP%\u300d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306b\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306b\u3064\u3044\u3066\u306f\u00a0McAfee \u306e\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc<\/a>\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u7b2c\u4e8c\u6bb5\u968e\u3067\u306f\u3001\u3053\u306e RTF \u30d5\u30a1\u30a4\u30eb\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f 2 \u3064\u306e\u6570\u5f0f\u3092 EQNEDT32.exe (\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf) \u304c\u30d1\u30fc\u30b9\u3057\u307e\u3059\u3002 1 \u3064\u76ee\u306e\u6570\u5f0f\u306f CVE-2017-11882 \u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u30012 \u3064\u76ee\u306f\u65b0\u3057\u3044 Font \u306e\u8106\u5f31\u6027 CVE-2018-0802 \u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u30022 \u3064\u306e\u8106\u5f31\u6027\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u88ab\u5bb3\u7aef\u672b\u306b\u4e21\u65b9\u306e CVE \u306b\u5bfe\u5fdc\u3059\u308b\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u307f\u3001\u653b\u6483\u3092\u9632\u3052\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u3089 2 \u3064\u306e\u6570\u5f0f\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u306f\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u304c\u7b2c\u4e00\u6bb5\u968e\u3067\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f DLL \u30d5\u30a1\u30a4\u30eb\u540d\u3092\u300c%appdata%\\Word\\Startup\\w.wll\u300d\u306b\u5909\u66f4\u3057\u307e\u3059\u3002\u300c%appdata%\\Word\\Startup\u300d\u306f\u3001Microsoft Word \u7528\u30d7\u30e9\u30b0\u30a4\u30f3 DLL \u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3001\u300cwinword.exe\u300d\u306f\u8d77\u52d5\u3059\u308b\u3064\u3069\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u30d7\u30e9\u30b0\u30a4\u30f3 DLL \u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u6c38\u7d9a\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u300cw.wll\u300d\u306f\u3001\u300cwinword.exe\u300d\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3068\u3001DLL \u5185\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f\u672c\u5f53\u306e\u30de\u30eb\u30a6\u30a7\u30a2 \u30da\u30a4\u30ed\u30fc\u30c9\u3092\u300c%programdata%\\NetWork\\tmp.exe\u300d\u3068\u3057\u3066\u30c9\u30ed\u30c3\u30d7\u3057\u3001\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

Traps \u304c\u30bc\u30ed\u30c7\u30a4\u306e\u8105\u5a01\u3092\u963b\u6b62\u3059\u308b\u4ed5\u7d44\u307f<\/h3>\n

Palo Alto Networks \u306e Traps \u30a2\u30c9\u30d0\u30f3\u30b9\u30c8 \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8 \u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u591a\u6570\u306e\u65b9\u6cd5\u3067\u963b\u6b62\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u3046\u3057\u305f\u8907\u96d1\u306a\u6226\u7565\u3092\u3068\u308b\u8105\u5a01\u304b\u3089\u3082\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Traps \u304c\u5c0e\u5165\u3055\u308c\u305f\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u9632\u6b62\u6a5f\u80fd\u306b\u3088\u308a\u307e\u305a EQNEDT32.exe \u5185\u3067\u306e\u60aa\u610f\u306e\u3042\u308b\u30b7\u30a7\u30eb\u30b3\u30fc\u30c9\u5b9f\u884c\u304c\u963b\u6b62\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6a5f\u68b0\u5b66\u7fd2\u306b\u3088\u308b\u30ed\u30fc\u30ab\u30eb\u5206\u6790\u6a5f\u80fd\u306b\u3088\u308a\u300c%programdata%\/NetWork\/tmp.exe\u300d\u306e\u5b9f\u884c\u3082\u963b\u6b62\u3055\u308c\u307e\u3059\u3002 \u30ea\u30b5\u30fc\u30c1\u30c1\u30fc\u30e0\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u89b3\u6e2c\u3057\u305f\u691c\u4f53\u306e\u4e2d\u306b\u306f\u3001\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u4ee5\u5916\u306b\u3082\u3001\u300cEQNEDT32.exe\u300d\u7d4c\u7531\u3067\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3084 PowerShell \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u3067\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u3088\u3046\u3068\u3059\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u624b\u6cd5\u3082 Traps \u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u5b9f\u884c\u5236\u9650\u6a5f\u80fd\u3067\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n

Traps \u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3084\u672a\u77e5\u306e\u8105\u5a01\u3092\u9632\u6b62\u3059\u308b\u306e\u304b\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u60c5\u5831\u306f\u3053\u3061\u3089\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6982\u8981 2017 \u5e74 11 \u6708\u3001Microsoft \u306f\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf\u306b\u542b\u307e\u308c\u308b\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u60aa\u7528\u53ef\u80fd\u306a\u8106\u5f31\u6027 (CVE-2017-11882) \u306b\u624b\u4f5c\u696d\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6570\u5f0f\u30a8\u30c7\u30a3\u30bf\u306f\u6587\u66f8\u306b\u6570\u5b66\u306e\u65b9\u7a0b\u5f0f\u3092\u8a18\u8ff0\u3067\u304d\u308b\u3088<\/p>\n","protected":false},"author":323,"featured_media":103240,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4469,1974,4428,4470],"tags":[7139,7140,5547],"product_categories":[4343,4448],"coauthors":[11,13],"class_list":["post-106213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vulnerabilities","category-malware-ja","category-threat-research-ja","category-vulnerabilities-ja","tag-cve-2018-0802-ja","tag-equation-editor","tag-microsoft-ja","product_categories-cortex-xdr","product_categories-cortex-xdr-ja"],"yoast_head":"\nTraps \u304c Microsoft Office 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