{"id":12179,"date":"2022-10-18T18:20:19","date_gmt":"2022-10-18T09:20:19","guid":{"rendered":"https:\/\/www.secuavail.com\/kb\/?p=12179"},"modified":"2024-08-23T13:25:57","modified_gmt":"2024-08-23T04:25:57","slug":"fortios-cve-2022-40684","status":"publish","type":"post","link":"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/","title":{"rendered":"Fortinet\u88fd\u54c1\u306b\u304a\u3051\u308b\u8a8d\u8a3c\u30d0\u30a4\u30d1\u30b9\u306e\u8106\u5f31\u6027(CVE-2022-40684)\u306b\u5bfe\u3059\u308bFortiOS\u3067\u306e\u7de9\u548c\u7b56\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>\u203b\u672c\u8a18\u4e8b\u306e\u5185\u5bb9\u306f\u30012022\u5e7410\u670818\u65e5\u73fe\u5728\u306e\u516c\u958b\u60c5\u5831\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30a2\u30f4\u30a7\u30a4\u30eb\u30b0\u30eb\u30fc\u30d7\u306b\u3066\u3001\u5b9f\u6a5f\u3092\u7528\u3044\u305f\u72ec\u81ea\u306e\u691c\u8a3c\u7d50\u679c\u3092\u3082\u3068\u306b\u8a18\u8f09\u3057\u3066\u304a\u308a\u3001\u30e1\u30fc\u30ab\u306e\u898b\u89e3\u3068\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u203b\u672c\u8a18\u4e8b\u306e\u691c\u8a3c\u7d50\u679c\u306f\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u7de9\u548c\u3067\u304d\u308b\u3053\u3068\u3092\u304a\u7d04\u675f\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u203b\u691c\u8a3c\u3092\u884c\u3063\u305f\u88fd\u54c1\u306fFortiGate(FortiOS)\u306e\u307f\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u203b\u5177\u4f53\u7684\u306a\u8106\u5f31\u6027\u306e\u5185\u5bb9\u3084\u5bfe\u5fdc\u65b9\u6cd5\u3001\u8a2d\u5b9a\u5185\u5bb9\u306e\u78ba\u8a8d\u65b9\u6cd5\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u65b9\u6cd5\u306f\u8cfc\u5165\u5143\u306e\u4ee3\u7406\u5e97\u69d8\u3084\u904b\u7528\u30fb\u4fdd\u5b88\u30d9\u30f3\u30c0\u30fc\u69d8\u3078\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#%E6%9B%B4%E6%96%B0%E5%B1%A5%E6%AD%B4\" >\u66f4\u65b0\u5c65\u6b74<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#%E3%81%AF%E3%81%98%E3%82%81%E3%81%AB\" >\u306f\u3058\u3081\u306b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AE%E6%A6%82%E8%A6%81\" >\u8106\u5f31\u6027\u306e\u6982\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#%E5%AE%9F%E6%A9%9F%E3%81%A7%E3%81%AE%E6%A4%9C%E8%A8%BC%E7%B5%90%E6%9E%9C\" >\u5b9f\u6a5f\u3067\u306e\u691c\u8a3c\u7d50\u679c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#Trusted_Host%E4%BF%A1%E9%A0%BC%E3%81%95%E3%82%8C%E3%82%8B%E3%83%9B%E3%82%B9%E3%83%88%E3%81%AB%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E5%88%B6%E9%99%90%E3%81%AF%E6%9C%AC%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AE%E7%B7%A9%E5%92%8C%E7%AD%96%E3%81%A8%E3%81%97%E3%81%A6%E6%9C%89%E5%8A%B9%E3%81%8B%EF%BC%9F\" >Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3092\u5236\u9650)\u306f\u672c\u8106\u5f31\u6027\u306e\u7de9\u548c\u7b56\u3068\u3057\u3066\u6709\u52b9\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.secuavail.com\/kb\/nw-device\/fortios-cve-2022-40684\/#%E6%9C%80%E5%BE%8C%E3%81%AB\" >\u6700\u5f8c\u306b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E6%9B%B4%E6%96%B0%E5%B1%A5%E6%AD%B4\"><\/span>\u66f4\u65b0\u5c65\u6b74<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>2022\/10\/18 \u65b0\u898f\u516c\u958b<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%AF%E3%81%98%E3%82%81%E3%81%AB\"><\/span>\u306f\u3058\u3081\u306b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>2022\u5e7410\u670810\u65e5\u306bFortinet\u793e\u3088\u308a\u4e00\u90e8\u88fd\u54c1\u306b\u304a\u3044\u3066\u8a8d\u8a3c\u3092\u30d0\u30a4\u30d1\u30b9\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8106\u5f31\u6027\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n\u672c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u653b\u6483\u8005\u3067\u3082\u7279\u5225\u306b\u7d30\u5de5\u3055\u308c\u305f HTTP \u307e\u305f\u306f HTTPS \u8981\u6c42\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AE%E6%A6%82%E8%A6%81\"><\/span>\u8106\u5f31\u6027\u306e\u6982\u8981<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5f8c\u8ff0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u306b\u3088\u308b\u3068Fortinet\u793e\u3067\u306f\u672c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u3092\u89b3\u6e2c\u3057\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\n\u307e\u305f\u3001\u672c\u8106\u5f31\u6027\u306ePoC\uff08\u6982\u5ff5\u5b9f\u8a3c\u30d7\u30ed\u30b0\u30e9\u30e0\uff09\u304c\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u4eca\u5f8c\u60aa\u7528\u304c\u62e1\u5927\u3059\u308b\u3053\u3068\u304c\u61f8\u5ff5\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3010\u5f71\u97ff\u3092\u53d7\u3051\u308b\u88fd\u54c1\u3011<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>FortiOS \u30d0\u30fc\u30b8\u30e7\u30f37.2.0\u304b\u30897.2.1\u307e\u3067<\/li>\n<li>FortiOS \u30d0\u30fc\u30b8\u30e7\u30f37.0.0\u304b\u30897.0.6\u307e\u3067<\/li>\n<li>FortiProxy \u30d0\u30fc\u30b8\u30e7\u30f37.2.0<\/li>\n<li>FortiProxy \u30d0\u30fc\u30b8\u30e7\u30f37.0.0\u304b\u30897.0.6\u307e\u3067<\/li>\n<li>FortiSwitchManager \u30d0\u30fc\u30b8\u30e7\u30f37.2.0<\/li>\n<li>FortiSwitchManager \u30d0\u30fc\u30b8\u30e7\u30f37.0.0<br \/>\n\u203bFortiOS \u30d0\u30fc\u30b8\u30e7\u30f35.x\u304a\u3088\u30736.x\u306f\u672c\u8106\u5f31\u6027\u306e\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u3010\u53c2\u8003\u60c5\u5831\u3011<\/p>\n<ul style=\"list-style-type: disc;\">\n<li>Fortinet\u793e\u306b\u3088\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<br \/>\nFortiOS \/ FortiProxy \/ FortiSwitchManager - Authentication bypass on administrative interface\uff08FG-IR-22-377\uff09<br \/>\n<a href=\"https:\/\/www.fortiguard.com\/psirt\/FG-IR-22-377\" target=\"_blank\" rel=\"noopener\">https:\/\/www.fortiguard.com\/psirt\/FG-IR-22-377<\/a><\/li>\n<li>JPCERT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u304b\u3089\u306e\u6ce8\u610f\u559a\u8d77<br \/>\nFortinet\u88fdFortiOS\u3001FortiProxy\u304a\u3088\u3073FortiSwitchManager\u306e\u8a8d\u8a3c\u30d0\u30a4\u30d1\u30b9\u306e\u8106\u5f31\u6027\uff08CVE-2022-40684\uff09\u306b\u95a2\u3059\u308b\u6ce8\u610f\u559a\u8d77<br \/>\n<a href=\"https:\/\/www.jpcert.or.jp\/at\/2022\/at220025.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.jpcert.or.jp\/at\/2022\/at220025.html<\/a><\/li>\n<li>\u7c73\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f1a\u793eHorizon3.ai\u306b\u3088\u308bPoC(\u6982\u5ff5\u5b9f\u8a3c)<br \/>\nFortiOS, FortiProxy, and FortiSwitchManager Authentication Bypass Technical Deep Dive (CVE-2022-40684)<br \/>\n<a href=\"https:\/\/www.horizon3.ai\/fortios-fortiproxy-and-fortiswitchmanager-authentication-bypass-technical-deep-dive-cve-2022-4068\" target=\"_blank\" rel=\"noopener\">https:\/\/www.horizon3.ai\/fortios-fortiproxy-and-fortiswitchmanager-authentication-bypass-technical-deep-dive-cve-2022-4068<\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%AE%9F%E6%A9%9F%E3%81%A7%E3%81%AE%E6%A4%9C%E8%A8%BC%E7%B5%90%E6%9E%9C\"><\/span>\u5b9f\u6a5f\u3067\u306e\u691c\u8a3c\u7d50\u679c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0a\u8a18\u3001Horizon3.ai\u306ePoC\u306b\u3088\u308b\u3068\u3001\u8a8d\u8a3c\u30d0\u30a4\u30d1\u30b9\u304c\u767a\u751f\u3057\u5f97\u308b\u306e\u306f\u3001FortiGate\u304c\u63d0\u4f9b\u3059\u308bREST API\u3067\u3042\u308b\u3053\u3068\u304c\u898b\u3066\u53d6\u308c\u307e\u3059\u3002\u672c\u6765\u3001REST API\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u306f\u8a8d\u8a3c\u304c\u5fc5\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u8a8d\u8a3c\u30ed\u30b8\u30c3\u30af\u306b\u304a\u3044\u3066\u4e0d\u5099\u304c\u3042\u308b\u305f\u3081\u3001HTTP\u30d8\u30c3\u30c0\u3092\u7d30\u5de5\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u8a8d\u8a3c\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u3066REST API\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001\u5f0a\u793e\u691c\u8a3c\u74b0\u5883\u5185\u3067\u5b9f\u884c\u3057\u3066\u307f\u305f\u69d8\u5b50\u3067\u3059\u3002PoC\u306b\u8a18\u8f09\u306e\u60c5\u5831\u3092\u53c2\u8003\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u591a\u5c11\u5909\u66f4\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3010\u691c\u8a3c\u74b0\u5883\u3011<br \/>\n\u6a5f\u7a2e\uff1aFortiGate 100F<br \/>\n\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\uff1av7.0.1 build0157 (GA)<\/p>\n<ol>\n<li>REST API\u3078\u3001\u8a8d\u8a3c\u3092\u884c\u308f\u305a\u3001\u7279\u5225\u306a\u7d30\u5de5\u3092\u305b\u305a\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408<br \/>\n\u2192\u7d50\u679c\u306f401 Unauthorized<br \/>\n<a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12183 size-medium\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001-300x163.png\" alt=\"\" width=\"300\" height=\"163\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001-300x163.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001-1024x556.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001-768x417.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_001.png 1080w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/li>\n<li>REST API\u3078\u3001\u8a8d\u8a3c\u3092\u884c\u308f\u305a\u3001HTTP\u30d8\u30c3\u30c0\u3092\u7d30\u5de5\u3057\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408<br \/>\n\u2192\u7d50\u679c\u306f\u300c200 OK\u300d<br \/>\n<a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12184 size-medium\" style=\"font-size: 14px;\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002-300x164.png\" alt=\"\" width=\"300\" height=\"164\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002-300x164.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002-1024x560.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002-768x420.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_002.png 1080w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/li>\n<\/ol>\n<p>REST API\u304b\u3089\u306f\u3001FortiGate\u8a2d\u5b9a\u60c5\u5831\u306e\u53c2\u7167\u306f\u3082\u3061\u308d\u3093\u3001\u7de8\u96c6\u3082\u884c\u3048\u307e\u3059\u3002\u7ba1\u7406\u8005\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u7de8\u96c6\u3053\u305d\u3067\u304d\u306a\u3044\u3088\u3046\u3067\u3059\u304c\u3001PoC\u306b\u3066\u884c\u308f\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001\u7ba1\u7406\u8005\u306eSSH\u30ad\u30fc\u3092\u4efb\u610f\u306e\u3082\u306e\u306b\u7de8\u96c6\u3059\u308b\u624b\u9806\u3092\u7d4c\u3066SSH\u306b\u3066\u7ba1\u7406\u8005\u30ed\u30b0\u30a4\u30f3\u3092\u884c\u3046\u3053\u3068\u3082\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u4ed6\u306b\u3082\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30dd\u30ea\u30b7\u30fc\u3092\u4efb\u610f\u306e\u8a2d\u5b9a\u306b\u7de8\u96c6\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u7531\u306bFortiGate\u914d\u4e0b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3046\u3053\u3068\u306a\u3069\u3082\u60f3\u5b9a\u3067\u304d\u3001\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u306b\u306f\u81f4\u547d\u7684\u306a\u5f71\u97ff\u304c\u767a\u751f\u3059\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Trusted_Host%E4%BF%A1%E9%A0%BC%E3%81%95%E3%82%8C%E3%82%8B%E3%83%9B%E3%82%B9%E3%83%88%E3%81%AB%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E5%88%B6%E9%99%90%E3%81%AF%E6%9C%AC%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AE%E7%B7%A9%E5%92%8C%E7%AD%96%E3%81%A8%E3%81%97%E3%81%A6%E6%9C%89%E5%8A%B9%E3%81%8B%EF%BC%9F\"><\/span>Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3092\u5236\u9650)\u306f\u672c\u8106\u5f31\u6027\u306e\u7de9\u548c\u7b56\u3068\u3057\u3066\u6709\u52b9\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5f0a\u793e\u3067\u904b\u7528\u76e3\u8996\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u3066\u3044\u308b\u9867\u5ba2\u306eFortiGate\u3082\u305d\u3046\u3067\u3059\u304c\u3001\u5b9f\u74b0\u5883\u306b\u304a\u3044\u3066\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u3059\u308b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u7ba1\u7406\u8005\u30a2\u30af\u30bb\u30b9\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u3001\u6709\u52b9\u306b\u3057\u3066\u3044\u3066\u3082IP\u30a2\u30c9\u30ec\u30b9\u3067\u5236\u9650\u3092\u884c\u3063\u3066\u3044\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3001\u201dIP\u30a2\u30c9\u30ec\u30b9\u3067\u5236\u9650\u3092\u884c\u3046\u201d\u306b\u3064\u3044\u3066\u306f\u3001\u672c\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u7de9\u548c\u7b56\u3068\u3057\u3066Fortinet\u793e\u516c\u958b\u60c5\u5831\u30da\u30fc\u30b8\u306b\u8a18\u8f09\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306f\u3001FortiGate\u306elocal-in-policy\u3092\u7528\u3044\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u5f0a\u793e\u306b\u304a\u3044\u3066\u6a19\u6e96\u7684\u306b\u7528\u3044\u3066\u3044\u308bTrusted Host(\u203b)\u8a2d\u5b9a\u306f\u3001\u679c\u305f\u3057\u3066\u6709\u52b9\u306a\u306e\u304b\u3001\u7121\u52b9\u306a\u306e\u304b\u3001\u3068\u3044\u3046\u70b9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u304b\u3089\u3067\u306f\u4e0d\u660e\u3067\u3057\u305f\u3002<br \/>\n\u203b\u65e5\u672c\u8a9eUI\u3067\u306f\u300c\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3092\u5236\u9650\u300d\u3001\u82f1\u8a9eUI\u3067\u306f\u300cRestrict login to trusted hosts\u300d\u3001CLI\u3067\u306f\u300ctrusthost\u300d\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u8a2d\u5b9a\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u5f0a\u793e\u691c\u8a3c\u74b0\u5883\u5185\u3067\u3001\u672c\u8106\u5f31\u6027\u306e\u7de9\u548c\u7b56\u3068\u3057\u3066\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u306b\u3088\u308bIP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\u306e\u6709\u52b9\u6027\u306b\u3064\u3044\u3066\u3082\u691c\u8a3c\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u5148\u7a0b\u306e\u300c1.\u300d\u300c2.\u300d\u306e\u753b\u9762\u30ad\u30e3\u30d7\u30c1\u30e3\u306f\u3001\u3044\u305a\u308c\u3082\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u306b\u304a\u3044\u3066\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3001\u3064\u307e\u308a\u3001FortiGate\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u3092\u8a31\u5bb9\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u8a72\u5f53\u3059\u308b\u7aef\u672b\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u8a66\u884c\u3067\u3057\u305f\u3002\uff08\u3088\u308a\u73fe\u5b9f\u7684\u306a\u74b0\u5883\u3068\u3059\u308b\u305f\u3081\u3001FortiGate\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u3059\u308b\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u3066\u7ba1\u7406\u8005\u30a2\u30af\u30bb\u30b9\u3092\u6709\u52b9\u306b\u3057\u305f\u4e0a\u3067\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u3092\u884c\u3044\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u8d8a\u3057\u3067\u7aef\u672b\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3063\u3066\u3044\u307e\u3059\uff09<\/p>\n<p>\u3053\u306e\u72b6\u614b\u304b\u3089\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u3092\u7de8\u96c6\u3057\u3001\u5f53\u8a72\u7aef\u672b\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u9664\u5916\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u7aef\u672b\u306eIP\u30a2\u30c9\u30ec\u30b9\u306fFortiGate\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u3092\u8a31\u5bb9\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3059\u3002(local-in-policy\u306f\u3001\u5f53\u521d\u3088\u308a\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u305b\u3093\u3002)<\/p>\n<ol start=\"3\">\n<li>REST API\u3078\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u306b\u304a\u3044\u3066<strong>\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u306e\u7aef\u672b\u304b\u3089\u3001\u8a8d\u8a3c\u3092\u884c\u308f\u305a\u3001HTTP\u30d8\u30c3\u30c0\u3092\u7d30\u5de5\u3057\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408<br \/>\n\u2192\u7d50\u679c\u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<br \/>\n<a href=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12185 size-medium\" src=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003-300x163.png\" alt=\"\" width=\"300\" height=\"163\" srcset=\"https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003-300x163.png 300w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003-1024x555.png 1024w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003-768x416.png 768w, https:\/\/www.secuavail.com\/kb\/wp-content\/uploads\/2022\/10\/fortios-cve-2022-40684_003.png 1080w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/li>\n<\/ol>\n<p>\u306a\u304a\u3001\u300c3.\u300d\u306e\u3068\u304d\u3001FortiGate\u5074\u306e\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u306e\u7d50\u679c\u3067\u3059\u3002TCP\u30b9\u30ea\u30fc\u30a6\u30a7\u30a4\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u6bb5\u968e\u3067\u3001\u6210\u7acb\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">[FortiGate\u30db\u30b9\u30c8\u540d] (root) # diagnose sniffer packet wan2 'host [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9]'\r\ninterfaces=[wan2]\r\nfilters=[host [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9]]\r\n7.761979 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59072 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1471024581\r\n8.027091 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59073 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1286127335\r\n8.776865 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59072 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1471024581\r\n9.039068 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59073 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1286127335\r\n10.785195 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59072 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1471024581\r\n11.049442 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59073 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1286127335\r\n14.789911 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59072 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1471024581\r\n15.054773 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59073 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1286127335\r\n22.790104 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59072 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1471024581\r\n23.055219 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59073 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1286127335\r\n29.928029 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59075 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1036076684\r\n30.189267 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59076 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 4023994051\r\n30.929005 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59075 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1036076684\r\n31.195024 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59076 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 4023994051\r\n32.945769 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59075 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1036076684\r\n33.207796 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59076 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 4023994051\r\n36.948230 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59075 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1036076684\r\n37.213145 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59076 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 4023994051\r\n44.953385 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59075 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 1036076684\r\n45.217409 [\u7aef\u672bIP\u30a2\u30c9\u30ec\u30b9].59076 -&gt; [FortiGateIP\u30a2\u30c9\u30ec\u30b9].443: syn 4023994051\r\n^C\r\n21 packets received by filter\r\n0 packets dropped by kernel\r\n<\/pre>\n<p>\u4ee5\u4e0a\u3001\u5f0a\u793e\u691c\u8a3c\u7d50\u679c\u306b\u304a\u3044\u3066\u306f\u3001\u672c\u8106\u5f31\u6027\u306e\u7de9\u548c\u7b56\u3068\u3057\u3066\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u306b\u3088\u308bIP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\u306e\u6709\u52b9\u6027\u304c\u8a8d\u3081\u3089\u308c\u307e\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001Trusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u8a2d\u5b9a\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3066\u3044\u308c\u3070\u3001\u4e0d\u7279\u5b9a\u591a\u6570\u306e\u653b\u6483\u8005\u304b\u3089\u306e\u4fb5\u5bb3\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\n\u203bTrusted Host(\u4fe1\u983c\u3055\u308c\u308b\u30db\u30b9\u30c8)\u306f\u3001\u3059\u3079\u3066\u306e\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u306b\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u5b9a\u306e\u7ba1\u7406\u8005\u306e\u307f\u3067\u3082\u3001Trusted 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