{"id":2991,"date":"2024-02-02T12:27:31","date_gmt":"2024-02-02T04:27:31","guid":{"rendered":"https:\/\/blog.billows.com.tw\/?p=2991"},"modified":"2024-02-02T12:27:31","modified_gmt":"2024-02-02T04:27:31","slug":"%e5%8f%b2%e7%84%a1%e5%89%8d%e4%be%8b-%e7%be%8e%e5%9c%8bcisa%e4%b8%8b%e4%bb%a4%e8%81%af%e9%82%a6%e6%a9%9f%e6%a7%8b%e7%b7%8a%e6%80%a5%e5%9c%a848%e5%b0%8f%e6%99%82%e5%85%a7%e6%96%b7%e9%96%8bivanti-vpn","status":"publish","type":"post","link":"https:\/\/blog.billows.com.tw\/?p=2991","title":{"rendered":"\u53f2\u7121\u524d\u4f8b \u7f8e\u570bCISA\u4e0b\u4ee4\u806f\u90a6\u6a5f\u69cb\u7dca\u6025\u572848\u5c0f\u6642\u5167\u65b7\u958bIvanti VPN \u8a2d\u5099\u7684\u9023\u63a5"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1024x536.png\" alt=\"\" class=\"wp-image-2992\" style=\"width:1140px;height:auto\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1024x536.png 1024w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-300x157.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-768x402.png 768w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image.png 1121w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Photo Credit: CISA<\/figcaption><\/figure>\n\n\n\n<p>\u70ba\u4e86\u61c9\u5c0d\u53d7\u5165\u4fb5\u7684 Ivanti VPN \u8a2d\u5099\u9020\u6210\u7684\u91cd\u5927\u5a01\u8105\u548c\u91cd\u5927\u5b89\u5168\u6f0f\u6d1e\u98a8\u96aa\uff0cCISA\u63a1\u53d6\u4e86\u53f2\u7121\u524d\u4f8b\u7684\u8209\u63aa\uff0c\u8981\u6c42\u806f\u90a6\u6a5f\u69cb\u572848 \u5c0f\u6642\u5167\u65b7\u958b Ivanti Connect Secure \u548c Ivanti Policy Secure \u7522\u54c1\u7684\u6240\u6709\u5be6\u4f8b\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cisa.gov\/news-events\/directives\/supplemental-direction-v1-ed-24-01-mitigate-ivanti-connect-secure-and-ivanti-policy-secure\">CISA <\/a>\u5df2\u547d\u4ee4\u7f8e\u570b\u806f\u90a6\u6a5f\u69cb\u5728\u5468\u516d\u4e4b\u524d\u65b7\u958b\u6240\u6709\u6613\u53d7\u591a\u500b\u6d3b\u8e8d\u6f0f\u6d1e\u653b\u64ca\u7684 <a href=\"https:\/\/blog.billows.com.tw\/?s=ivanti\">Ivanti Connect Secure <\/a>\u548c Policy Secure VPN \u8a2d\u5099\u7684\u9023\u7dda\u3002<a href=\"https:\/\/www.cisa.gov\/news-events\/directives\/supplemental-direction-v1-ed-24-01-mitigate-ivanti-connect-secure-and-ivanti-policy-secure\" target=\"_blank\" rel=\"noreferrer noopener\">\u8a72\u6a5f\u69cb\u5728\u4e00\u4efd\u65b0\u7684\u7dca\u6025\u6307\u4ee4<\/a>\u4e2d\u8868\u793a\uff1a\u201c\u76e1\u5feb\u4e14\u4e0d\u665a\u65bc2024 \u5e742 \u67082 \u65e5\u661f\u671f\u4e94\u665a\u4e0a11:59\uff0c\u65b7\u958b\u6240\u6709Ivanti Connect Secure \u548cIvanti Policy Secure \u89e3\u6c7a\u65b9\u6848\u7522\u54c1\u5be6\u4f8b\u8207\u6a5f\u69cb\u7db2\u8def\u7684\u9023\u63a5\u201d \uff0c\u8a72\u6307\u4ee4\u52a0\u5927\u4e86\u58d3\u529b\u5e6b\u52a9\u9632\u79a6\u8005\u7de9\u89e3\u81f3\u5c11\u4e09\u500b\u5728\u88ab\u7a4d\u6975\u5229\u7528\u7684 Ivanti \u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n\n\n\n<p>CISA \u6b63\u5728\u63a8\u52d5\u806f\u90a6\u6c11\u4e8b\u884c\u653f\u90e8\u9580 (FCEB) \u6a5f\u69cb\u201c\u7e7c\u7e8c\u5c0d\u9023\u63a5\u5230\u6216\u6700\u8fd1\u9023\u63a5\u5230\u53d7\u5f71\u97ff\u7684 Ivanti \u8a2d\u5099\u7684\u4efb\u4f55\u7cfb\u7d71\u9032\u884c\u5a01\u8105\u641c\u5c0b\u201d\uff0c\u4e26\u76e3\u63a7\u53ef\u80fd\u66b4\u9732\u7684\u8eab\u4efd\u9a57\u8b49\u6216\u8eab\u4efd\u7ba1\u7406\u670d\u52d9\u3002\u8a72\u6a5f\u69cb\u8868\u793a\uff0c\u806f\u90a6\u7db2\u8def\u7ba1\u7406\u54e1\u9084\u5fc5\u9808\u5728 48 \u5c0f\u6642\u5167\u6700\u5927\u7a0b\u5ea6\u5730\u5c07\u7cfb\u7d71\u8207\u4efb\u4f55\u4f01\u696d\u8cc7\u6e90\u9694\u96e2\uff0c\u4e26\u7e7c\u7e8c\u5be9\u6838\u7279\u6b0a\u7b49\u7d1a\u5b58\u53d6\u5e33\u865f\u3002\u70ba\u4e86\u4f7f\u7522\u54c1\u91cd\u65b0\u6295\u5165\u4f7f\u7528\uff0cCISA \u8868\u793a\uff0c\u5404\u6a5f\u69cb\u9700\u8981\u532f\u51fa\u8a2d\u5099\u914d\u7f6e\u8a2d\u5b9a\uff0c\u6309\u7167 Ivanti \u7684\u8aaa\u660e\u5b8c\u6210\u51fa\u5ee0\u91cd\u7f6e\uff0c\u4e26\u91cd\u5efa\u8a2d\u5099\u4e26\u5347\u7d1a\u5230\u5b8c\u5168\u4fee\u88dc\u7684\u8edf\u9ad4\u7248\u672c\u3002<\/p>\n\n\n\n<p>\u81ea\u53bb\u5e74 12 \u6708\u4ee5\u4f86\uff0c\u4e2d\u570b\u570b\u5bb6\u7d1a\u99ed\u5ba2\u5df2\u7d93\u5229\u7528\u4e86\u81f3\u5c11\u5169\u500b Ivanti Connect Secure \u6f0f\u6d1e\uff0c\u5206\u5225\u70ba <a href=\"https:\/\/forums.ivanti.com\/s\/article\/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US\">CVE-2023-46805<\/a> \u548c <a href=\"https:\/\/forums.ivanti.com\/s\/article\/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US\">CVE-2024-21887<\/a>\u3002 Ivanti \u9031\u4e09\u8868\u793a\uff0c\u5b83\u9084\u767c\u73fe\u4e86\u5169\u500b\u984d\u5916\u7684\u6f0f\u6d1e\u2014\u2014CVE-2024-21888 \u548c CVE-2024-21893\u2014\u2014\u5f8c\u8005\u5df2\u7d93\u88ab\u7528\u65bc\u300c\u6709\u91dd\u5c0d\u6027\u7684\u300d\u653b\u64ca\u3002 CISA \u5148\u524d\u8868\u793a\uff0c\u5b83\u9084\u89c0\u5bdf\u5230\u4e00\u4e9b\u91dd\u5c0d\u806f\u90a6\u6a5f\u69cb\u7684\u521d\u6b65\u76ee\u6a19\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/forums.ivanti.com\/s\/article\/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US\" target=\"_blank\" rel=\"noreferrer noopener\">Ivanti \u8a18\u9304\u4e86<\/a>\u56db\u500b\u7368\u7acb\u7684\u6f0f\u6d1e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CVE-2023-46805<\/strong>&nbsp;\u2014 Ivanti Connect Secure\uff089.x\u300122.x\uff09\u548c Ivanti Policy Secure \u7684 Web \u5143\u4ef6\u4e2d\u5b58\u5728\u9a57\u8b49\u7e5e\u904e\u6f0f\u6d1e\uff0c\u5141\u8a31\u9060\u7aef\u653b\u64ca\u8005\u7e5e\u904e\u63a7\u5236\u6aa2\u67e5\u4f86\u5b58\u53d6\u53d7\u9650\u8cc7\u6e90\u3002 CVSS \u56b4\u91cd\u6027\u8a55\u5206\u70ba8.2\uff0c<em>\u5df2\u78ba\u8a8d\u70ba\u88ab\u5229\u7528\u96f6\u65e5\u6f0f\u6d1e\u3002<\/em><\/li>\n\n\n\n<li><strong>CVE-2024-21887<\/strong>&nbsp;\u2014 Ivanti Connect Secure\uff089.x\u300122.x\uff09\u548c Ivanti Policy Secure Web \u5143\u4ef6\u4e2d\u7684\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u5141\u8a31\u7d93\u904e\u9a57\u8b49\u7684\u7ba1\u7406\u54e1\u767c\u9001\u7279\u88fd\u8acb\u6c42\u4e26\u5728\u88dd\u7f6e\u4e0a\u57f7\u884c\u4efb\u610f\u547d\u4ee4\u3002<em>\u8a72\u6f0f\u6d1e\u53ef\u900f\u904e\u7db2\u8def\u88ab\u5229\u7528\u3002<\/em><em> CVSS<\/em><em>\u8a55\u5206\u70ba 9.1<\/em><em>\u4e26\u5df2\u78ba\u8a8d\u88ab\u5229\u7528\u3002<\/em><\/li>\n\n\n\n<li><strong>CVE-2024-21888<\/strong>&nbsp;\u2014 Ivanti Connect Secure\uff089.x\u300122.x\uff09\u548c Ivanti Policy Secure\uff089.x\u300122.x\uff09\u7684 Web \u5143\u4ef6\u4e2d\u5b58\u5728\u6b0a\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u5141\u8a31\u4f7f\u7528\u8005\u5c07\u6b0a\u9650\u63d0\u5347\u81f3\u884c\u653f\u4eba\u54e1\uff0cCVSS \u8a55\u5206\u70ba8.8\u3002<\/li>\n\n\n\n<li><strong>CVE-2024-21893<\/strong>&nbsp;\u2014 Ivanti Connect Secure\uff089.x\u300122.x\uff09\u3001Ivanti Policy Secure\uff089.x\u300122.x\uff09\u548c Ivanti Neurons for ZTA \u7684 SAML \u5143\u4ef6\u4e2d\u5b58\u5728\u4f3a\u670d\u5668\u7aef\u8acb\u6c42\u507d\u9020\u6f0f\u6d1e\uff0c\u5141\u8a31\u653b\u64ca\u8005\u7121\u9700\u8eab\u4efd\u9a57\u8b49\u5373\u53ef\u5b58\u53d6\u67d0\u4e9b\u53d7\u9650\u8cc7\u6e90\u3002 CVSS \u56b4\u91cd\u6027\u8a55\u5206 8.2\u4e26<em>\u5df2\u78ba\u8a8d\u6709\u91dd\u5c0d\u6027\u7684\u5229\u7528\u3002<\/em><\/li>\n<\/ul>\n\n\n\n<p>Ivanti\u9084\u8b66\u544a\u8aaa\uff0c\u60c5\u6cc1\u4ecd\u5728\u4e0d\u65b7\u767c\u5c55\uff0c\u591a\u500b\u5a01\u8105\u884c\u70ba\u8005\u8fc5\u901f\u8abf\u6574\u5176\u7b56\u7565\u3001\u6280\u8853\u548c\u7a0b\u5e8f\uff0c\u4ee5\u5728\u5176\u6d3b\u52d5\u4e2d\u5229\u7528\u9019\u4e9b\u6f0f\u6d1e\u3002Ivanti\u7a31\uff0cCVE-2024-21893 \u7684\u5229\u7528\u4f3c\u4e4e\u662f\u6709\u91dd\u5c0d\u6027\u7684\u3002 Ivanti \u9810\u8a08\u5a01\u8105\u884c\u70ba\u8005\u6703\u6539\u8b8a\u4ed6\u5011\u7684\u884c\u70ba\uff0c\u4e26\u4e14\u9810\u8a08\u4e00\u65e6\u8a72\u8cc7\u8a0a\u516c\u958b\uff0c\u5229\u7528\u884c\u70ba\u5c31\u6703\u6025\u5287\u589e\u52a0\u3002Ivanti \u8868\u793a\uff0c\u60c5\u6cc1\u4ecd\u5728\u4e0d\u65b7\u767c\u5c55\uff0c\u5c07\u96a8\u8457\u66f4\u591a\u8cc7\u8a0a\u7684\u51fa\u73fe\uff0c\u66f4\u65b0\u5176\u77e5\u8b58\u5eab\u6587\u7ae0\uff0c\u8a72\u8edf\u9ad4\u516c\u53f8\u5efa\u8b70\u900f\u904e\u4e0b\u8f09\u5165\u53e3\u7db2\u7ad9\u532f\u5165\u300cmitigation.release.20240126.5.xml\u300d\u6a94\u6848\u4f5c\u70ba\u89e3\u6c7a CVE-2024-21888 \u548c CVE-2024-21893 \u7684\u81e8\u6642\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u4e09\u9031\u524d\uff0c<a href=\"https:\/\/www.volexity.com\/blog\/2024\/01\/10\/active-exploitation-of-two-zero-day-vulnerabilities-in-ivanti-connect-secure-vpn\/\">Volexity <\/a>\u9996\u6b21\u767c\u73fe\u4e86\u5c0d\u9019\u4e9b\u6f0f\u6d1e\u7684\u5229\u7528\uff0c\u4e26\u8b66\u544a\u8aaa\uff0c\u4e2d\u570b\u653f\u5e9c\u652f\u6301\u7684 APT \u99ed\u5ba2\u5718\u968aUNC5221\u5df2\u7d93\u5efa\u7acb\u4e86\u4e00\u689d\u6f0f\u6d1e\u93c8\u4f86\u5165\u4fb5\u7f8e\u570b\u7d44\u7e54\u3002 \u8cc7\u5b89\u516c\u53f8 Volexity \u7684\u5275\u8fa6\u4eba Steven Adair\u8868\u793a\uff0c\u8fc4\u4eca\u70ba\u6b62\uff0c\u81f3\u5c11 2,200 \u53f0 Ivanti \u8a2d\u5099\u5df2\u906d\u5230\u5165\u4fb5\u3002\u9019\u6bd4\u8a72\u516c\u53f8\u672c\u6708\u7a0d\u65e9\u8ffd\u8e64\u7684 1,700 \u4eba\u589e\u52a0\u4e86 500 \u4eba\uff0c\u4e0d\u904e Volexity \u6307\u51fa\u300c\u7e3d\u6578\u53ef\u80fd\u8981\u9ad8\u5f97\u591a\u300d\u3002<\/p>\n\n\n\n<p>\u8cc7\u5b89\u696d\u8005<a href=\"https:\/\/www.mandiant.com\/resources\/blog\/investigating-ivanti-zero-day-exploitation\">Mandiant<\/a>\u5247\u900f\u9732\u99ed\u5ba2\u900f\u904e\u81ea\u52d5\u5316\u65b9\u6cd5\u9032\u884c\u7684\u300c\u5ee3\u6cdb\u7684\u5229\u7528\u6d3b\u52d5\u300d\uff0c\u4e26\u6307\u51fa\u8207\u4e2d\u570b\u6709\u95dc\u7684\u99ed\u5ba2\u65e9\u5728 2023 \u5e74 12 \u6708 3 \u65e5\u5c31\u5df2\u7d93\u767c\u73fe\u4e86\u9019\u4e9b\u6f0f\u6d1e\u3002\u300a\u5b89\u5168\u5468\u520a\u300b\u6d88\u606f\u4eba\u58eb\u7a31\uff0c\u7db2\u7d61\u72af\u7f6a\u7d44\u7e54\u5df2\u5229\u7528\u516c\u958b\u7684\u6f0f\u6d1e\u90e8\u7f72\u52a0\u5bc6\u5668\u548c\u5f8c\u9580\u3002<\/p>\n\n\n\n<p>Ivanti Connect Secure VPN\u7684<a href=\"https:\/\/github.com\/volexity\/threat-intel\/blob\/main\/2024\/2024-01-18%20Ivanti%20Connect%20Secure%20pt3\/indicators\/iocs.csv\">\u90e8\u5206\u5165\u4fb5\u6307\u6a19<\/a>(Indicator of compromise -IOCs):<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"845\" src=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1-1024x845.png\" alt=\"\" class=\"wp-image-2993\" srcset=\"https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1-1024x845.png 1024w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1-300x248.png 300w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1-768x634.png 768w, https:\/\/blog.billows.com.tw\/wp-content\/uploads\/2024\/02\/image-1.png 1071w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u70ba\u4e86\u61c9\u5c0d\u53d7\u5165\u4fb5\u7684 Ivanti VPN \u8a2d\u5099\u9020\u6210\u7684\u91cd\u5927\u5a01\u8105\u548c\u91cd\u5927\u5b89\u5168\u6f0f\u6d1e\u98a8\u96aa\uff0cCISA\u63a1\u53d6\u4e86\u53f2\u7121\u524d\u4f8b\u7684\u8209\u63aa\uff0c\u8981 <a class=\"read-more\" href=\"https:\/\/blog.billows.com.tw\/?p=2991\">READ MORE<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[191,174],"class_list":["post-2991","post","type-post","status-publish","format-standard","hentry","category-6","tag-cisa","tag-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2991"}],"version-history":[{"count":1,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2991\/revisions"}],"predecessor-version":[{"id":2994,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/2991\/revisions\/2994"}],"wp:attachment":[{"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.billows.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}