{"id":18218,"date":"2023-02-23T18:55:38","date_gmt":"2023-02-23T10:55:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=18218"},"modified":"2023-02-23T18:55:38","modified_gmt":"2023-02-23T10:55:38","slug":"%e6%bc%8f%e6%b4%9e%e6%b7%b1%e5%ba%a6%e5%88%86%e6%9e%90%ef%bd%9ccve-2023-25141-sling-org-apache-sling-jcr-base%e5%ad%98%e5%9c%a8jndi%e6%b3%a8%e5%85%a5%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/info\/18218.html","title":{"rendered":"\u6f0f\u6d1e\u6df1\u5ea6\u5206\u6790\uff5cCVE-2023-25141 sling-org-apache-sling-jcr-base\u5b58\u5728JNDI\u6ce8\u5165\u6f0f\u6d1e"},"content":{"rendered":"<h2 id=\"h2-1\"><strong><b>\u9879\u76ee\u4ecb\u7ecd<\/b><\/strong><\/h2>\n<p>Apache Sling\u63d0\u4f9b\u5bf9\u53ef\u63d2\u5165\u8d44\u6e90\u63d0\u4f9b\u7a0b\u5e8f\u7684\u652f\u6301\u3002\u867d\u7136\u8fd9\u5141\u8bb8\u5c06\u81ea\u5b9a\u4e49\u6570\u636e\u63d0\u4f9b\u7a0b\u5e8f\u975e\u5e38\u7075\u6d3b\u548c\u9ad8\u6548\u5730\u96c6\u6210\u5230Sling\u4e2d\uff0c\u4f46\u8fd9\u79cd\u96c6\u6210\u662f\u5728Sling\u7684\u8d44\u6e90 API \u7ea7\u522b\u4e0a\u5b8c\u6210\u7684\u3002\u53ef\u80fd\u4f9d\u8d56\u4e8e\u80fd\u591f\u5c06\u8d44\u6e90\u9002\u914d\u5230JCR\u8282\u70b9\u5e76\u7ee7\u7eed\u4f7f\u7528JCR API\u7684\u9057\u7559\u4ee3\u7801\u5c06\u4e0d\u9002\u7528\u4e8e\u6b64\u7c7b\u8d44\u6e90\u63d0\u4f9b\u8005\u3002<\/p>\n<p>\u4e3a\u4e86\u652f\u6301\u9057\u7559\u4ee3\u7801\uff0c\u8fd9\u4e2a\u5305\u63d0\u4f9b\u4e86\u4e00\u4e2aSPI\u63a5\u53e3org.apache.sling.jcr.base.spi.RepositoryMount\uff0c\u5b83\u6269\u5c55\u4e86JackrabbitRepository\uff08\u5e76\u901a\u8fc7\u8fd9\u4e2ajavax.jcr.Repository\uff09\u3002\u6ce8\u518c\u4e3aRepositoryMount\u7684\u670d\u52a1\u4f7f\u7528\u670d\u52a1\u6ce8\u518c\u5c5e\u6027RepositoryMount.MOUNT_POINTS_KEY \u6ce8\u518c\u81ea\u5df1\uff0c\u8fd9\u662f\u4e00\u4e2a String+ \u5c5e\u6027\uff0c\u5305\u542b JCR \u6811\u4e2d\u7684\u8def\u5f84\uff0c\u5176\u4e2d\u6302\u8f7d\u63a5\u7ba1 JCR \u8282\u70b9\u7684\u63a7\u5236\u3002RepositoryMount\u53ef\u4ee5\u6ce8\u518c\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u8def\u5f84\u3002<\/p>\n<p>\u7531\u4e8eRepositoryMount\u6269\u5c55\u4e86JackrabbitRepository\u6302\u8f7d\u7684\u5b9e\u73b0\u9700\u8981\u5b9e\u73b0\u6574\u4e2a JCR API\u3002\u4e0eResourceProvider\u76f8\u6bd4\uff0c\u8fd9\u662f\u5f88\u591a\u5de5\u4f5c\uff0c\u56e0\u6b64\u53ea\u6709\u5728\u9700\u8981\u652f\u6301\u4f7f\u7528 JCR API \u7684\u9057\u7559\u4ee3\u7801\u65f6\u624d\u5e94\u4f7f\u7528RepositoryMount \u3002<\/p>\n<p>JCR \u57fa\u7840\u5305\u63d0\u4f9b JCR \u5b9e\u7528\u7a0b\u5e8f\u7c7b\u548c\u5bf9\u5b58\u50a8\u5e93\u5b89\u88c5\u7684\u652f\u6301\u3002<\/p>\n<h2 id=\"h2-2\"><strong><b>\u9879\u76ee\u5730\u5740<\/b><\/strong><\/h2>\n<p><a href=\"https:\/\/github.com\/apache\/sling-org-apache-sling-jcr-base\">https:\/\/github.com\/apache\/sling-org-apache-sling-jcr-base<\/a><\/p>\n<p><a href=\"https:\/\/sling.apache.org\/\">https:\/\/sling.apache.org\/<\/a><\/p>\n<h2 id=\"h2-3\"><strong><b>\u6f0f\u6d1e\u6982\u8ff0<\/b><\/strong><\/h2>\n<p>\u5728 JDK 1.8.191 \u6216\u66f4\u4f4e\u7248\u672c\u4e2d\u8fd0\u884c Apache Sling JCR Base \u4e14\u9879\u76ee\u7248\u672c\u5c0f\u4e8e 3.1.12 \u65f6\u53ef\u80fd\u5b58\u5728\u6ce8\u5165\u6f0f\u6d1e\uff0c\u7531\u4e8e RepositoryAccessor.java \u4e2d\u7684 getRepository \u65b9\u6cd5\u548c getRepositoryFromURL \u65b9\u6cd5\u5bf9\u4f20\u5165\u7684\u53c2\u6570\u9a8c\u8bc1\u4e0d\u5f53\u5bfc\u81f4 JNDI \u6216 RMI \u6ce8\u5165\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7 JDNI \u548c RMI \u8fde\u63a5\u8bbf\u95ee\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u610f\u6570\u636e\u3002<\/p>\n<h2 id=\"h2-4\"><strong><b>\u5f71\u54cd\u7248\u672c<\/b><\/strong><\/h2>\n<p>org.apache.sling:org.apache.sling.jcr.base@(-\u221e, 3.1.12)<\/p>\n<h2 id=\"h2-5\"><strong><b>\u73af\u5883\u642d\u5efa<\/b><\/strong><\/h2>\n<p>\u4e0b\u8f7d\u6e90\u7801\uff0c\u8fd0\u884c\u6784\u5efa\u5373\u53ef\u3002<\/p>\n<h2 id=\"h2-6\"><strong><b>\u6f0f\u6d1e\u5206\u6790<\/b><\/strong><\/h2>\n<p>sling \u9879\u76ee\u7684jcr\u57fa\u7840\u5e93\uff08\/sling-org-apache-sling-jcr-base\uff09\u63d0\u4f9b\u4e24\u4e2a\u51fd\u6570<\/p>\n<p>RepositoryAccessor#getRepository \u548c RepositoryAccessor#getRepositoryFromURL<\/p>\n<p>\u5176\u4e2d RepositoryAccessor#getRepositoryFromURL<\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u529f\u80fd\u662f\u6839\u636e\u7ed9\u5b9a\u7684 URL \u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61 Repository\uff0c\u8fd9\u4e2a\u51fd\u6570\u53ef\u80fd\u662f\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u8bbf\u95ee\u5b58\u50a8\u5728\u8fdc\u7a0b\u4f4d\u7f6e\u7684\u6570\u636e\u7684\u65b9\u6cd5<\/p>\n<p><img decoding=\"async\" alt=\"1676546604_63ee122c24316a719c05c.gif!small?1676546604794\" class=\"aligncenter\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/1676546604_63ee122c24316a719c05c.gif\"\/><\/p>\n<p>\u8be5\u51fd\u6570\u5c06\u4f20\u5165\u7684 jndi name \u548c \u5185\u5bb9\u4f20\u7ed9\u7c7b\u91cc\u7684\u53e6\u4e00\u4e2a\u51fd\u6570 RepositoryAccessor#getRepository<\/p>\n<p><img decoding=\"async\" alt=\"1676546621_63ee123d909401324bedf.gif!small?1676546623140\" class=\"aligncenter\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/1676546621_63ee123d909401324bedf.gif\"\/><\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u4f5c\u7528\u662f\u6839\u636e\u7ed9\u5b9a\u7684 URL \u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61 Repository\u3002<\/p>\n<p>\u51fd\u6570\u7684\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>url\uff1a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u4ed3\u5e93\u5bf9\u8c61\u7684 URL\u3002<\/li>\n<\/ul>\n<p>\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u6210\u529f\u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61\uff0c\u5219\u8fd4\u56de\u4ed3\u5e93\u5bf9\u8c61\u3002<\/li>\n<li>\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61\uff0c\u5219\u629b\u51fa\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c URL \u7684\u524d\u7f00\u662f &#8220;jndi:\/\/&#8221;\uff0c\u5219\u51fd\u6570\u4f1a\u5c1d\u8bd5\u4ece JNDI \u73af\u5883\u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61\u3002\u5426\u5219\uff0c\u5b83\u4f1a\u4f7f\u7528 getRepository\u00a0\u51fd\u6570\u5c1d\u8bd5\u4ece JNDI \u548c RMI \u4e24\u79cd\u9014\u5f84\u83b7\u53d6\u4ed3\u5e93\u5bf9\u8c61\u3002<\/p>\n<p>\u4f46\u662f\u5b58\u5728\u76f4\u63a5\u4f7f\u7528 initialContext.lookup(repositoryName) \u7684\u6f0f\u6d1e\u70b9\uff0c<\/p>\n<p>\u4ec5\u5b58\u5728\u4e00\u4e2aif\u5224\u65ad jndiContext\u00a0\u662f\u5426\u4e3a\u7a7a\u6216\u5927\u5c0f\u662f\u5426\u4e3a 0\uff0c\u5e76\u672a\u5bf9\u7528\u6237\u53ef\u63a7\u7684\u503c\u8fdb\u884c\u68c0\u67e5<\/p>\n<p>source\u70b9\u5982\u4e0b\u6240\u793a<\/p>\n<p><img decoding=\"async\" alt=\"1676546634_63ee124a6269f4335b5d9.gif!small?1676546635208\" class=\"aligncenter\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/1676546634_63ee124a6269f4335b5d9.gif\"\/>lookup\u5b58\u5728\u4e24\u4e2a\u91cd\u8f7d<\/p>\n<p><img decoding=\"async\" alt=\"1676546655_63ee125f230bf4bdcef65.gif!small?1676546655689\" class=\"aligncenter\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/1676546655_63ee125f230bf4bdcef65.gif\"\/><\/p>\n<p>\u770b\u4e00\u4e0b lookup \u7684\u8c03\u7528\u65b9\u6cd5\uff0c\u4f20\u8fdb InitialContext#getURLOrDefaultInitCtx<\/p>\n<p><img decoding=\"async\" alt=\"1676546664_63ee12686f111b1577b8a.gif!small?1676546665028\" class=\"aligncenter\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/1676546664_63ee12686f111b1577b8a.gif\"\/><\/p>\n<p>lookup \u62ff\u5230 name \uff0cgetURLScheme\u5339\u914d \uff1a\u548c \/\uff1b\u4e4b\u540e\u83b7\u53d6\u94fe\u63a5\u5185\u5bb9\uff0cgetURLContext \u89e3\u91ca\u5305\u542b\u6837\u4f8b<\/p>\n<p>For example, if the scheme id is &#8220;ldap&#8221;, and the Context. URL_PKG_PREFIXES property contains &#8220;com.widget:com.wiz. jndi&#8221;, the naming manager would attempt to load the following classes until one is successfully instantiated:<br \/>\u00b7 com.widget.ldap.ldapURLContextFactory<br \/>\u00b7 com.wiz.jndi.ldap.ldapURLContextFactory<br \/>\u00b7 com.sun.jndi.url.ldap.ldapURLContextFactory<\/p>\n<p>\u800c\u6211\u4eec\u53ef\u4ee5\u63a7\u5236 lookup \u51fd\u6570\u7684\u53c2\u6570\uff0c\u4f7f\u5ba2\u6237\u7aef\u8bbf\u95ee\u63d0\u524d\u8bbe\u7f6e\u597d\u7684\u6076\u610f\u7684 RMI \u670d\u52a1\u94fe\u63a5\u6765\u52a0\u8f7d\u6076\u610f\u7684\u5bf9\u8c61class \u5b57\u8282\u7801\u6587\u4ef6\u6765\u5b9e\u4f8b\u5316\uff0c\u4ece\u800c\u6267\u884c\u4ee3\u7801\uff0c\u5b8c\u6210\u5229\u7528\u3002<\/p>\n<p>\u8be5\u7c7b\u5e76\u4e0d\u5b58\u5728\u4efb\u4f55\u9ed1\/\u767d\u540d\u5355\u5bf9\u7528\u6237\u4f20\u5165\u8fdb\u884c\u8fc7\u6ee4\uff0c\u7528\u6237\u53ef\u76f4\u63a5\u4f20\u5165rmi \u6076\u610f\u94fe\u63a5\u6267\u884c\u547d\u4ee4\u3002\u786e\u5b9a\u8be5\u5904\u5b58\u5728 jndi\u6ce8\u5165\uff0c\u53ef\u88ab\u5229\u7528\u5bfc\u81f4\u547d\u4ee4\u6267\u884c<\/p>\n<h2 id=\"h2-7\"><strong><b>\u4fee\u590d\u65b9\u5f0f<\/b><\/strong><\/h2>\n<p>\u7ec4\u4ef6 org.apache.sling:org.apache.sling.jcr.base \u5347\u7ea7\u81f3 3.1.12 \u53ca\u4ee5\u4e0a\u7248\u672c<\/p>\n<h2 id=\"h2-8\"><strong><b>\u53c2\u8003\u94fe\u63a5<\/b><\/strong><\/h2>\n<p><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2023-25141\">https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2023-25141<\/a><\/p>\n<p class=\"tinymce-p\"><strong><b>\u67e5\u770b\u66f4\u591a\u5b89\u5168\u6f0f\u6d1e\uff1a<\/b><\/strong><a href=\"https:\/\/weibo.cn\/sinaurl?u=https%3A%2F%2Fspdx.cn%2Fsafety\"><strong><b>\u5feb\u901f\u67e5\u8be2\u5b89\u5168\u6f0f\u6d1e<\/b><\/strong><strong><b>\uff5c<\/b><\/strong><strong><b>\u67d2\u5de7\u677f<\/b><\/strong><\/a><\/p>\n<p>\u6587\u7ae0\u6765\u81ea\uff1ahttps:\/\/www.freebuf.com\/<\/p>\n","protected":false},"excerpt":{"rendered":"\u9879\u76ee\u4ecb\u7ecd Apache Sling\u63d0\u4f9b\u5bf9\u53ef\u63d2\u5165\u8d44\u6e90\u63d0\u4f9b\u7a0b\u5e8f\u7684\u652f\u6301\u3002\u867d\u7136\u8fd9\u5141\u8bb8\u5c06\u81ea\u5b9a\u4e49\u6570\u636e\u63d0\u4f9b\u7a0b\u5e8f\u975e\u5e38\u7075\u6d3b\u548c\u9ad8\u6548 [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[134],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/18218"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=18218"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/18218\/revisions"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=18218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=18218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=18218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}