{"id":827,"date":"2024-07-21T04:25:02","date_gmt":"2024-07-21T04:25:02","guid":{"rendered":"http:\/\/www.nokws.top\/?p=827"},"modified":"2024-07-21T04:25:06","modified_gmt":"2024-07-21T04:25:06","slug":"springbootshiro-cve-2023-22602","status":"publish","type":"post","link":"http:\/\/www.nokws.top\/index.php\/2024\/07\/21\/springbootshiro-cve-2023-22602\/","title":{"rendered":"SpringBoot+Shiro–CVE-2023-22602"},"content":{"rendered":"\n

\u57fa\u4e8eShiro(\u5168\u7cfb\u6f0f\u6d1e\u5206\u6790-\u622a\u81f320230331) – FreeBuf\u7f51\u7edc\u5b89\u5168\u884c\u4e1a\u95e8\u6237<\/a>\u7684\u6f0f\u6d1e\u5206\u6790<\/p>\n\n\n\n

0x01 \u73af\u5883\u642d\u5efa<\/h2>\n\n\n\n

springboot 2.6.13 + shiro 1.10<\/p>\n\n\n\n

tips\uff1a<\/p>\n\n\n\n

1\u3001shiro\u6ce8\u610f\u8bbe\u7f6e\u672a\u6388\u6743\u767b\u5f55\u7684\u8fd4\u56de\uff08\u9ed8\u8ba4\u662f\u4e2ajsp\uff09<\/p>\n\n\n\n

2\u3001\u4e0d\u9700\u8981\u7528\u6237\u767b\u5f55\u7684\u90e8\u5206\uff08\u4e0d\u7528\u8bbe\u7f6e\u7528\u6237\u5bc6\u7801\u4ec0\u4e48\u7684\u53bb\u767b\u5f55\u7684\u4ee3\u7801\uff0cshiroconfig\u4e2d\u914d\u7f6e\u4e00\u4e0b\u5c31\u5b8c\u4e8b\u4e86\uff09<\/p>\n\n\n\n

0x02 \u6f0f\u6d1e\u5206\u6790<\/h2>\n\n\n\n

\u6211\u89c9\u5f97\u8fd9\u4e2a\u6f0f\u6d1e\u662f\u4e24\u4e2a\u95ee\u9898\uff1a1\u3001shiro\u7684..\/\u5904\u7406\u4e0d\u8db3\uff1b2\u3001spring\u7684\u8def\u5f84\u4e0d\u662f\u5b8c\u5168\u5339\u914d<\/p>\n\n\n\n

part1 shiro\u7684..\/\u5904\u7406\u4e0d\u8db3<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e00\u5f00\u59cb\u5904\u7406path\u7684\u65f6\u5019\u662f”\/admin\/..”<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

normalize\u4e2d\u5904\u7406\u7684\u7ed3\u679c”\/”<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u91cc\u6211\u8fdb\u884c\u8c03\u8bd5\u7684\u65f6\u5019normalize\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u201c\/\u201d\uff0c\u4e4b\u540e\u4f1a\u53bb\u548c\u6570\u7ec4\uff08\u5305\u542b\u6240\u6709\u914d\u7f6e\u7684\u8def\u5f84\u8fdb\u884c\u6bd4\u5bf9\uff09<\/p>\n\n\n\n

\u5230\u8fd9\u91ccshiro\u5c31\u628a\u8fd9\u4e2a\u5e26\u6709”\/..”\u8def\u5f84\u7684\u8bf7\u6c42\u53d8\u6210\u4e86\u201c\/\u201d\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u6839\u76ee\u5f55\u90fd\u662f\u201canon\u201d\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4e5f\u5c31\u662f\u8bf4shiro\u653e\u8fc7\u4e86\u5e26\u6709\u201c\/..\u201d\u7684\u8bf7\u6c42<\/p>\n\n\n\n

part 2 spring\u8def\u5f84\u5904\u7406\u4e0d\u8db3<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6839\u636e\u6587\u7ae0<\/a>\u91cc\u63d0\u5230\u7684\u5185\u5bb9\u5b9a\u4f4d\u5230initLookupPath\uff0c\u6253\u65ad\u70b9\u4e00\u6b65\u6b65\u5206\u6790<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u91cc\u914d\u7f6e\u4e86attribute = null \uff08\u5e94\u8be5\u5c31\u662f\u9ed8\u8ba4\u914d\u7f6e\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4e00\u6b65\u6b65\u5f80\u4e0b\u8d70\uff0c\u8d70\u5230addMatchingMapings\uff0c\u8fd9\u91cc\u611f\u89c9\u5c31\u6709\u7b2c\u4e00\u4e2a\u95ee\u9898\u4e86\uff0csping\u5339\u914d\u201c\/admin\/..\u201d\u7684\u7ed3\u679c\u5339\u914d\u51fa\u4e86\u201c\/admin\/**\u201d\u548c”\/**\u2018\u2019<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

Q1:\u4e3a\u4ec0\u4e48\u6709\u4e09\u4e2a\u2018\/**\u2019<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728\u4e4b\u540e\u6839\u636e\u5339\u914d\u5230\u7684\u7ed3\u679c\uff0c\u53bb\u9009\u62e9\u4e00\u4e2a\u6700\u4f18\u89e3\uff08bestmatch\uff09<\/p>\n\n\n\n

Q2:bestmatch\u5177\u4f53\u7684\u5339\u914d\u51fd\u6570<\/p>\n\n\n\n

\u5728\u4e4b\u540e\u5c31\u6839\u636e\u8fd9\u4e2a\u53bb\u5bfb\u627e\u5bf9\u5e94\u7684bean\u8fdb\u884c\u8def\u5f84\u7684\u54cd\u5e94\u4e86<\/p>\n\n\n\n

0x03 \u4fee\u590d<\/h2>\n\n\n\n

\u8bbe\u7f6e\u5339\u914d\u8def\u5f84 \u5728application.yml\u8bbe\u7f6e\u4f7f\u7528antpathmather\u5339\u914d\u8def\u5f84<\/p>\n\n\n\n

PS:Spring Boot 2.6 \u53ca\u4ee5\u4e0a<\/strong>\uff1a\u9ed8\u8ba4\u4f7f\u7528 PathPatternParser<\/code> \u8fdb\u884c\u8def\u5f84\u5339\u914d\u3002
Spring Boot 2.5 \u53ca\u4ee5\u4e0b<\/strong>\uff1a\u9ed8\u8ba4\u4f7f\u7528 AntPathMatcher<\/code> \u8fdb\u884c\u8def\u5f84\u5339\u914d\u3002
AntPathMatcher<\/strong><\/code>
\u901a\u914d\u7b26 *<\/code><\/strong>\uff1a\u5339\u914d\u8def\u5f84\u4e2d\u7684\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\uff0c\u4e0d\u5305\u62ec\u659c\u6760 \/<\/code>\u3002
\u901a\u914d\u7b26 **<\/code><\/strong>\uff1a\u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u8def\u5f84\u6bb5\uff0c\u53ef\u4ee5\u5305\u62ec\u659c\u6760 \/<\/code>\u3002
\u95ee\u53f7 ?<\/code><\/strong>\uff1a\u5339\u914d\u5355\u4e2a\u5b57\u7b26\u3002
\/api\/*<\/code>\uff1a\u5339\u914d \/api\/test<\/code>\uff0c\u4f46\u4e0d\u5339\u914d \/api\/test\/123<\/code>\u3002
\/api\/**<\/code>\uff1a\u5339\u914d \/api\/test<\/code> \u548c \/api\/test\/123<\/code>\u3002
\/api\/a?c<\/code>\uff1a\u5339\u914d \/api\/abc<\/code> \u548c \/api\/axc<\/code>\uff0c\u4f46\u4e0d\u5339\u914d \/api\/ac<\/code> \u6216 \/api\/abcc<\/code>\u3002<\/p>\n\n\n\n

PathPatternParser<\/code>
\u901a\u914d\u7b26 {}<\/code><\/strong>\uff1a\u7528\u4e8e\u8def\u5f84\u53d8\u91cf\u5339\u914d\u3002
*<\/code> \u548c **<\/code><\/strong>\uff1a\u4e0e AntPathMatcher<\/code> \u7c7b\u4f3c\uff0c\u4f46\u5904\u7406\u65b9\u5f0f\u66f4\u9ad8\u6548\u3002
\u8def\u5f84\u89e3\u6790\u548c\u4f18\u5316<\/strong>\uff1a\u89e3\u6790\u8def\u5f84\u65f6\u4f1a\u53bb\u6389\u4e0d\u5fc5\u8981\u7684\u90e8\u5206\uff0c\u6bd4\u5982\u5197\u4f59\u7684\u659c\u6760\u3002
\/api\/**<\/code>\uff1a\u5339\u914d \/api\/test<\/code> \u548c \/api\/test\/123<\/code>
\/api\/{id}<\/code>\uff1a\u5339\u914d \/api\/123<\/code>\uff0c\u5e76\u5c06 123<\/code> \u4f5c\u4e3a\u8def\u5f84\u53d8\u91cf id<\/code>\u3002<\/p>\n\n\n\n

\u5e94\u8be5\u4e5f\u53ef\u4ee5\u76f4\u63a5\u6539\u4ee3\u7801<\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u57fa\u4e8eShiro(\u5168\u7cfb\u6f0f\u6d1e\u5206\u6790-\u622a\u81f320230331) – FreeBuf\u7f51\u7edc\u5b89\u5168\u884c\u4e1a\u95e8\u6237\u7684\u6f0f\u6d1e\u5206\u6790 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-827","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/827","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/comments?post=827"}],"version-history":[{"count":3,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/827\/revisions"}],"predecessor-version":[{"id":851,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/827\/revisions\/851"}],"wp:attachment":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/media?parent=827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/categories?post=827"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/tags?post=827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}