{"id":92475,"date":"2018-10-03T08:22:28","date_gmt":"2018-10-03T15:22:28","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=92475"},"modified":"2018-10-19T01:45:37","modified_gmt":"2018-10-19T08:45:37","slug":"%e5%a8%81%e8%83%81%e7%ae%80%e6%8a%a5%ef%bc%9a%e9%ab%98%e5%8d%b1-apache-struts-%e6%bc%8f%e6%b4%9e-cve-2018-11776-%e7%9a%84%e7%9b%b8%e5%85%b3%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/www2.paloaltonetworks.com\/blog\/2018\/10\/%e5%a8%81%e8%83%81%e7%ae%80%e6%8a%a5%ef%bc%9a%e9%ab%98%e5%8d%b1-apache-struts-%e6%bc%8f%e6%b4%9e-cve-2018-11776-%e7%9a%84%e7%9b%b8%e5%85%b3%e4%bf%a1%e6%81%af\/?lang=zh-hans","title":{"rendered":"\u5a01\u80c1\u7b80\u62a5\uff1a\u9ad8\u5371 Apache Struts \u6f0f\u6d1e CVE-2018-11776 \u7684\u76f8\u5173\u4fe1\u606f"},"content":{"rendered":"<p><strong>\u60c5\u51b5\u6982\u8ff0<\/strong><\/p>\n<p>2018 \u5e74 8 \u6708 22 \u65e5\uff0cApache Foundation <u><a href=\"https:\/\/cwiki.apache.org\/confluence\/display\/WW\/S2-057\" rel=\"nofollow,noopener\" >\u53d1\u5e03<\/a><\/u>\u4e86\u9488\u5bf9 <u><a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2018-11776\" rel=\"nofollow,noopener\" >CVE-2018-1176<\/a><\/u> \u7684\u91cd\u8981\u5b89\u5168\u66f4\u65b0\uff0c\u8fd9\u4e2a\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u5b58\u5728\u4e8e 2.3 \u5230 2.3.34\uff0c\u4ee5\u53ca 2.5 \u5230 2.5.16 \u7248\u672c\u7684 Apache Struts \u4e2d\u3002Apache Foundation \u5df2\u6566\u4fc3\u5927\u5bb6\u5c3d\u5feb\u5e94\u7528\u6b64\u5b89\u5168\u66f4\u65b0\u3002<\/p>\n<p>\u672c\u535a\u5ba2\u6587\u7ae0\u65e8\u5728\u63d0\u4f9b\u4fe1\u606f\u6765\u5e2e\u52a9\u7ec4\u7ec7\u8bc4\u4f30\u5176\u6f0f\u6d1e\u98ce\u9669\uff0c\u5e76\u5411 Palo Alto Networks \u5ba2\u6237\u63d0\u4f9b\u4fdd\u62a4\u63aa\u65bd\uff0c\u52a9\u5176\u5728\u5e94\u7528\u5b89\u5168\u66f4\u65b0\u4e4b\u524d\u964d\u4f4e\u98ce\u9669\u3002\u5df2\u90e8\u7f72 2018 \u5e74 8 \u6708 24 \u65e5\u53d1\u5e03\u7684\u6700\u65b0\u6f0f\u6d1e\u7b7e\u540d\u7684 Palo Alto Networks \u5ba2\u6237\u5c06\u53d7\u5230\u4fdd\u62a4\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u6f0f\u6d1e\u4fe1\u606f<\/strong><\/p>\n<p>\u6839\u636e Apache Foundation \u548c\u5b89\u5168\u7814\u7a76\u5458 <u><a href=\"https:\/\/semmle.com\/news\/apache-struts-CVE-2018-11776#was-i-vulnerable\" rel=\"nofollow,noopener\" >Man Yue Mo<\/a><\/u> \u6240\u8ff0\uff0c\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5728\u8fd0\u884c\u6613\u53d7\u653b\u51fb\u7684 Apache Struts \u7248\u672c\u7684\u670d\u52a1\u5668\u4e0a\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002\u8be5\u65b9\u6cd5\u901a\u8fc7\u5411\u6613\u53d7\u653b\u51fb\u7684\u7cfb\u7edf\u53d1\u9001\u7279\u5236 URL \u8fdb\u884c\u653b\u51fb\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u610f\u5473\u7740\u5229\u7528\u8be5\u6f0f\u6d1e\u65e0\u9700\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<p>\u5982\u653b\u51fb\u6210\u529f\uff0c\u4fbf\u53ef\u5728 Struts \u4f7f\u7528\u7684\u5b89\u5168\u60c5\u5883\u4e2d\u8fd0\u884c\u4ee3\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u53d7\u5230\u5168\u9762\u5165\u4fb5\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u8bf7\u7279\u522b\u6ce8\u610f\uff0c\u5982\u679c\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e\u5219\u65e0\u6cd5\u5229\u7528\u8be5\u6f0f\u6d1e\u3002\u53ea\u6709\u6ee1\u8db3\u4ee5\u4e0b\u4e24\u4e2a\u6761\u4ef6\u7684\u7cfb\u7edf\u624d\u5bb9\u6613\u53d7\u5230\u653b\u51fb\uff1a<\/p>\n<ul>\n<li>\u5c06 Struts \u914d\u7f6e\u4e2d\u7684 <a href=\"https:\/\/stackoverflow.com\/questions\/17690956\/how-to-prevent-the-wildcard-namespace-in-struts#17697478\" rel=\"nofollow,noopener\" >alwaysSelectFullNamespace<\/a> \u6807\u8bb0\u8bbe\u7f6e\u4e3a\u201ctrue\u201d\u3002\uff08\u6ce8\u610f\uff1a\u5982\u679c\u60a8\u7684\u5e94\u7528\u4f7f\u7528\u70ed\u95e8\u7684 <u><a href=\"https:\/\/struts.apache.org\/plugins\/convention\/\" rel=\"nofollow,noopener\" >Struts Convention \u63d2\u4ef6<\/a><\/u>\uff0c\u5219\u8be5\u63d2\u4ef6\u4f1a\u5c06\u6b64\u9879\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u201ctrue\u201d\u3002<\/li>\n<li>Struts \u5e94\u7528\u4f7f\u7528\u672a\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\u6216\u901a\u8fc7\u5305\u542b\u901a\u914d\u7b26\u7684\u547d\u540d\u7a7a\u95f4\u800c\u914d\u7f6e\u7684\u201c\u64cd\u4f5c\u201d\u3002\u6b64\u6761\u4ef6\u9002\u7528\u4e8e\u5728 Struts \u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9a\u7684\u64cd\u4f5c\u548c\u547d\u540d\u7a7a\u95f4\u3002\u6ce8\u610f\uff1a\u5982\u679c\u60a8\u7684\u5e94\u7528\u4f7f\u7528\u6d41\u884c\u7684 Struts Convention \u63d2\u4ef6\uff0c\u6b64\u6761\u4ef6\u4e5f\u9002\u7528\u4e8e\u5728 Java \u4ee3\u7801\u4e2d\u6307\u5b9a\u7684\u64cd\u4f5c\u548c\u547d\u540d\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<p>\u5373\u4f7f Struts \u5e94\u7528\u4e0d\u6ee1\u8db3\u8fd9\u4e24\u4e2a\u6761\u4ef6\uff0c\u60a8\u7684\u5e94\u7528\u4e5f\u53ef\u80fd\u5bb9\u6613\u53d7\u5230\u653b\u51fb\uff0c\u4f46\u5c31\u76ee\u524d\u800c\u8a00\u4e0d\u4f1a\u901a\u8fc7 CVE-2018-11776 \u906d\u5230\u6f0f\u6d1e\u5229\u7528\u3002<\/p>\n<p>\u7279\u522b\u662f\uff0c\u5982\u679c\u60a8\u7684\u5e94\u7528\u4f7f\u7528\u70ed\u95e8\u7684 Struts Convention \u63d2\u4ef6\uff0c\u5219\u4e0e\u5176\u4ed6\u4e0d\u4f7f\u7528\u8be5\u63d2\u4ef6\u7684 Struts \u5b9e\u65bd\u76f8\u6bd4\uff0c\u60a8\u906d\u5230\u6f0f\u6d1e\u5229\u7528\u7684\u98ce\u9669\u53ef\u80fd\u4f1a\u66f4\u9ad8\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u5a01\u80c1\u73af\u5883\u4fe1\u606f<\/strong><\/p>\n<p>\u5728 8 \u6708 22 \u65e5\uff0c\u5df2\u540c\u65f6\u516c\u5f00\u4e86\u8be5\u6f0f\u6d1e\u548c\u7528\u4e8e\u89e3\u51b3\u8be5\u6f0f\u6d1e\u7684\u5b89\u5168\u66f4\u65b0\u3002\u5176\u4e2d\u5305\u542b\u6709\u5173\u8be5\u6f0f\u6d1e\u4ee5\u53ca\u76ee\u524d\u5982\u4f55\u5229\u7528\u8be5\u6f0f\u6d1e\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd8\u63d0\u4f9b\u4e86\u53ef\u7528\u7684\u6982\u5ff5\u9a8c\u8bc1 (PoC) \u4ee3\u7801\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u8be5 PoC \u4ec5\u9002\u7528\u4e8e\u6613\u53d7\u653b\u51fb\u4e14\u6ee1\u8db3\u53ef\u88ab\u5229\u7528\u6761\u4ef6\u7684\u7cfb\u7edf\u3002<\/p>\n<p>\u6709\u4e9b\u4eba\u5df2\u7ecf\u6ce8\u610f\u5230\uff0c\u5728\u53bb\u5e74\u53d1\u5e03\u5b89\u5168\u66f4\u65b0\u548c\u6f0f\u6d1e\u4fe1\u606f\u4ec5\u4e09\u5929\u540e\uff0c\u5c31\u53d1\u751f\u4e86\u4e00\u8d77 Struts \u6f0f\u6d1e\u88ab\u4e3b\u52a8\u653b\u51fb\u7684\u4e25\u91cd\u4e8b\u4ef6\u3002<\/p>\n<p>\u76ee\u524d\u6ca1\u6709\u5df2\u77e5\u7684\u4e3b\u52a8\u653b\u51fb\uff0c\u4e14\u5b58\u5728\u4e24\u4e2a\u8981\u5b9e\u73b0\u6f0f\u6d1e\u5229\u7528\u5fc5\u987b\u6ee1\u8db3\u7684\u975e\u9ed8\u8ba4\u6761\u4ef6\uff0c\u56e0\u6b64\u5f53\u524d\u7684\u5a01\u80c1\u73af\u5883\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u7136\u800c\uff0c\u901a\u8fc7\u53ef\u7528\u7684\u4e3b\u52a8 PoC \u6240\u8fdb\u884c\u7684\u4e00\u4e9b\u57fa\u672c\u6d4b\u8bd5\uff0c\u6211\u4eec\u4ecd\u8ba4\u4e3a\u5728\u77ed\u671f\u53ef\u80fd\u4f1a\u51fa\u73b0\u9488\u5bf9\u8be5\u6f0f\u6d1e\u7684\u4e3b\u52a8\u5229\u7528\u3002<\/p>\n<p>\u5728\u89e3\u51b3\u4e0b\u9762\u56db\u4e2a\u95ee\u9898\u4e4b\u524d\uff0c\u7ec4\u7ec7\u9700\u8981\u5c06\u9488\u5bf9\u53ef\u80fd\u53d1\u751f\u7684\u653b\u51fb\u8fdb\u884c\u4e25\u683c\u7684\u98ce\u9669\u8bc4\u4f30\uff1a<\/p>\n<ol>\n<li>\u662f\u5426\u5728\u4f7f\u7528 Struts Convention \u63d2\u4ef6\uff1f<\/li>\n<li>\u662f\u5426\u540c\u65f6\u6ee1\u8db3\u6f0f\u6d1e\u5229\u7528\u6240\u9700\u7684\u4e24\u4e2a\u6761\u4ef6\uff1f<\/li>\n<li>\u662f\u5426\u5b58\u5728\u5c06\u76ee\u524d\u7684 PoC \u8fdb\u884c\u6539\u9020\u6216\u7528\u4e8e\u653b\u51fb\u7684\u8ff9\u8c61\uff1f<\/li>\n<li>\u5f00\u53d1\u51fa\u7684\u65b0 PoC 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Networks 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2018 \u5e74 8 \u6708 22 \u65e5\uff0cApache Foundation \u53d1\u5e03\u4e86\u9488\u5bf9 CVE-2018-1176 \u7684\u91cd\u8981\u5b89\u5168\u66f4\u65b0\uff0c\u8fd9\u4e2a\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u5b58\u5728\u4e8e 2.3 \u5230 2.3.34\uff0c\u4ee5\u53ca 2.5 \u5230 2.5.16 \u7248\u672c\u7684 Apache Struts \u4e2d\u3002Apache Foundation \u5df2\u6566\u4fc3\u5927\u5bb6\u5c3d\u5feb\u5e94\u7528\u6b64\u5b89\u5168\u66f4\u65b0\u3002 \u672c\u535a\u5ba2\u6587\u7ae0\u65e8\u5728\u63d0\u4f9b\u4fe1\u606f\u6765\u5e2e\u52a9\u7ec4\u7ec7\u8bc4\u4f30\u5176\u6f0f\u6d1e\u98ce\u9669\uff0c\u5e76\u5411 Palo Alto Networks \u5ba2\u6237\u63d0\u4f9b\u4fdd\u62a4\u63aa\u65bd\uff0c\u52a9\u5176\u5728\u5e94\u7528\u5b89\u5168\u66f4\u65b0\u4e4b\u524d\u964d\u4f4e\u98ce\u9669\u3002\u5df2\u90e8\u7f72 2018 \u5e74 8 \u6708 &hellip;<\/p>\n","protected":false},"author":287,"featured_media":72296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3540],"tags":[],"coauthors":[3069],"class_list":["post-92475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3540"],"jetpack_featured_media_url":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-content\/uploads\/2018\/04\/unit42-blog-600x300.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/92475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/users\/287"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/comments?post=92475"}],"version-history":[{"count":3,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/92475\/revisions"}],"predecessor-version":[{"id":93589,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/92475\/revisions\/93589"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media\/72296"}],"wp:attachment":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media?parent=92475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/categories?post=92475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/tags?post=92475"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/coauthors?post=92475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}