{"id":188,"date":"2023-04-02T02:20:50","date_gmt":"2023-04-01T18:20:50","guid":{"rendered":"https:\/\/www.mistiny.com\/?p=188"},"modified":"2023-04-23T22:44:00","modified_gmt":"2023-04-23T14:44:00","slug":"%e6%a3%80%e6%b5%8b%e5%b9%b6%e5%ba%94%e5%af%b9-cve-2023-21839-%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8%e5%a8%81%e8%83%81","status":"publish","type":"post","link":"https:\/\/www.mistiny.com\/en\/2023\/04\/02\/188\/","title":{"rendered":"\u68c0\u6d4b\u5e76\u5e94\u5bf9 CVE-2023-21839 \u6f0f\u6d1e\u5229\u7528\u5a01\u80c1"},"content":{"rendered":"

CVE-2023-21839 \u80cc\u666f\u4ecb\u7ecd<\/h2>\n

WebLogic Server \u662f\u4e00\u6b3e\u7531 Oracle \u516c\u53f8\u5f00\u53d1\u7684 Java \u5e94\u7528\u670d\u52a1\u5668\u3002\u5b83\u662f\u4e00\u6b3e\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684\u670d\u52a1\u5668\uff0c\u53ef\u7528\u4e8e\u6784\u5efa\u4f01\u4e1a\u7ea7 Java \u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\uff0c\u4e3a\u4f01\u4e1a\u63d0\u4f9b\u53ef\u9760\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u4ee5\u652f\u6301\u5176\u4e1a\u52a1\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u3002
\nWebLogic Server \u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u5404\u79cd\u4e0d\u540c\u7c7b\u578b\u7684 Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u5305\u62ec Web \u5e94\u7528\u7a0b\u5e8f\u3001\u4f01\u4e1a Java Bean\uff08EJB\uff09\u5e94\u7528\u7a0b\u5e8f\u3001Java \u6d88\u606f\u670d\u52a1\uff08JMS\uff09\u5e94\u7528\u7a0b\u5e8f\u3001Web \u670d\u52a1\u548c RESTful \u670d\u52a1\u7b49\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u7ea7\u529f\u80fd\uff0c\u4f8b\u5982\u8d1f\u8f7d\u5e73\u8861\u3001\u6545\u969c\u8f6c\u79fb\u3001\u5b89\u5168\u8ba4\u8bc1\u3001\u96c6\u6210\u7ba1\u7406\u548c\u76d1\u89c6\u7b49\u3002
\nWebLogic Server \u8fd8\u652f\u6301\u8bb8\u591a\u4e0d\u540c\u7684\u90e8\u7f72\u6a21\u5f0f\uff0c\u5305\u62ec\u5355\u4e2a\u670d\u52a1\u5668\u3001\u591a\u4e2a\u670d\u52a1\u5668\u548c\u96c6\u7fa4\u90e8\u7f72\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u5e7f\u6cdb\u7684\u53ef\u6269\u5c55\u6027\u9009\u9879\uff0c\u5305\u62ec\u53ef\u4ee5\u6dfb\u52a0\u5404\u79cd\u4e0d\u540c\u7684\u63d2\u4ef6\u548c\u6269\u5c55\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n

2022\u5e7412\u670817\u65e5\uff0cCVE \u5206\u914d\u4e86 WebLogic Server \u6f0f\u6d1e\u7f16\u53f7 CVE-2023-21839\uff0c2023\u5e741\u6708\uff0cOracle \u53d1\u5e03\u4e86\u8be5\u6f0f\u6d1e\u7684\u4fee\u590d\u65b9\u6848\u3002<\/p>\n

\u6613\u53d7\u653b\u51fb\u7684 WebLogic Server \u7248\u672c\uff1a<\/strong><\/p>\n

WebLogic Server 12.2.1.3.0\nWebLogic Server 12.2.1.4.0\nWebLogic Server 14.1.1.0.0<\/code><\/pre>\n
Oracle \u6f0f\u6d1e\u4fee\u590d\u516c\u544a\u4fe1\u606f\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
\u4ece\u5206\u914d\u7684 CVE-2023-21839 \u4fe1\u606f\u4e2d\u4e86\u89e3\u5230\uff0c\u8be5\u6f0f\u6d1e\u4e3a Oracle Fusion Middleware\uff08component: Core\uff09\u7ec4\u4ef6\u4e2d\u5b58\u5728\u7684\u672a\u6388\u6743\u8bbf\u95ee\uff0c\u53ef\u901a\u8fc7 T3\u3001IIOP \u534f\u8bae\u8fdb\u884c\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\uff0cCVSS3.1 \u6f0f\u6d1e\u57fa\u7840\u8bc4\u5206\u4e3a 7.5\uff0c\u6f0f\u6d1e\u5a01\u80c1\u7b49\u7ea7\u4e3a\u9ad8\uff08High\uff09\u3002<\/p>\n
CVSS3.1 \u6f0f\u6d1e\u8bc4\u5206\u53ef\u89c6\u5316\u5c55\u793a\u6807\u8bb0\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
\u8be5\u6f0f\u6d1e\u9700\u8981\u901a\u8fc7\u5229\u7528 OpaqueReference \u7c7b\u548c\u8bbf\u95ee\u79c1\u6709\u5b57\u6bb5\u7684\u53cd\u5c04\u673a\u5236\u6765\u8bbe\u7f6e\u8fdc\u7a0b JNDI \u540d\u79f0\uff0c\u5e76\u5c06\u5176\u7ed1\u5b9a\u5230 WebLogic \u670d\u52a1\u5668\u4e0a\u7684\u5bf9\u8c61\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002<\/p>\n
\u6f0f\u6d1e\u590d\u73b0<\/h2>\n
Windows \u73af\u5883\uff0c\u4e0b\u8f7d WebLogic Server 12.2.1.3.0\u3001JDK 1.7\u3001CVE-2023-21839 POC \u548c JNDI-Injection-Exploit-1.0-SNAPSHOT-all \u6ce8\u5165\u5de5\u5177\u3002<\/p>\n
\u516c\u5f00\u7684\u6f0f\u6d1e\u5b58\u5728\u5224\u5b9a\u4e0e\u5229\u7528\u65b9\u5f0f\uff1a<\/strong><\/p>\n\n\n\n\n\n\n
\u65b9\u5f0f<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
JDNI \u6ce8\u5165 dnslog \u8bf7\u6c42\u54cd\u5e94<\/td>\n\u901a\u8fc7 DNS \u8bf7\u6c42\u5224\u65ad\u6f0f\u6d1e\u662f\u5426\u5b58\u5728<\/td>\n<\/tr>\n
JDNI \u6ce8\u5165\u547d\u4ee4\u6267\u884c<\/td>\n\u8fdc\u7a0b\u4efb\u610f\u547d\u4ee4\u6267\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
JDNI \u6ce8\u5165 dnslog \u8bf7\u6c42\u54cd\u5e94<\/h3>\n
\u6a21\u4eff\u5a01\u80c1\u884c\u4e3a\u8005\uff0c\u8fdb\u884c\u653b\u51fb\u6f0f\u6d1e\u63a2\u6d4b\uff08\u521d\u59cb\u5316\uff09\u3002
\n\"\"<\/p>\n
\u64cd\u4f5c\u8bb0\u5f55\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
JDNI \u6ce8\u5165\u547d\u4ee4\u6267\u884c<\/h3>\n
\u6a21\u4eff\u5a01\u80c1\u884c\u4e3a\u8005\u8fdb\u884c\u6f0f\u6d1e\u5229\u7528\uff0c\u4f7f\u7528 Windows \u547d\u4ee4\u6dfb\u52a0\u65b0\u7684\u7528\u6237\u8d26\u6237 webcs\u3002<\/p>\n
\"\"<\/p>\n
\u64cd\u4f5c\u8bb0\u5f55\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
\u5bc6\u601d\u542c\u79d1\u6280 MultiEye \u7aef\u70b9\u68c0\u6d4b\u548c\u54cd\u5e94<\/h2>\n
\u590d\u6742\u4e4b\u773c\uff08MultiEye\uff09\u7aef\u70b9\u68c0\u6d4b\u4e0e\u54cd\u5e94\u7cfb\u7edf\u4fdd\u62a4\u5ba2\u6237\u5e94\u5bf9\u6b64\u7c7b\u653b\u51fb\uff0c\u5e76\u53ef\u4ee5\u51ed\u501f\u57fa\u4e8e\u884c\u4e3a\u7684\u653b\u51fb\u6307\u6807\uff08IOA\uff09\u68c0\u6d4b\u4e0e CVE-2023-21839 \u6f0f\u6d1e\u76f8\u5173\u7684\u6076\u610f\u884c\u4e3a\u3002<\/p>\n
CVE-2023-21839 \u6f0f\u6d1e\u5229\u7528\u6d3b\u52a8\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
\u4e8b\u4ef6\u730e\u624b IOA \u653b\u51fb\u6307\u6807\u641c\u5bfb\uff1a<\/strong><\/p>\n
\"\"<\/p>\n
\u68c0\u7d22\u5f02\u5e38\u7684 dns \u8bf7\u6c42\u6d3b\u52a8\uff1a<\/strong><\/p>\n
EventType = "DnsQuery" AND QueryName IN Contains ("dnslog.cn", "ceye.io") AND ProcessImageSigner Contains "Oracle"<\/code><\/pre>\n
\u68c0\u7d22\u5f02\u5e38\u7684\u547d\u4ee4\u6267\u884c\u6d3b\u52a8\uff1a<\/strong><\/p>\n
ProcessCommandLine IN Contains ("net user ", "powershell"\uff0c"cmd") AND ProcessParentName Contains "java.exe"<\/code><\/pre>\n
\u53c2\u8003\u94fe\u63a5<\/h2>\n
https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2023-21839<\/a>
\nhttps:\/\/cvss.js.org\/#CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:N\/A:N<\/a>
\nhttps:\/\/www.oracle.com\/security-alerts\/cpujan2023.html<\/a>
\nhttps:\/\/www.pingsafe.com\/blog\/cve-2023-21839-oracle-weblogic-server-core-patch-advisory<\/a>
\nhttps:\/\/github.com\/4ra1n\/CVE-2023-21839<\/a>
\nhttps:\/\/github.com\/welk1n\/JNDI-Injection-Exploit<\/a><\/p>","protected":false},"excerpt":{"rendered":"
CVE-2023-21839 \u80cc\u666f\u4ecb\u7ecd WebLogic Server \u662f\u4e00\u6b3e\u7531 Oracle \u516c\u53f8\u5f00\u53d1\u7684 J […]<\/p>","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[13,12,11,14],"class_list":["post-188","post","type-post","status-publish","format-standard","hentry","category-hunter","tag-rce","tag-weblogic","tag-multieye","tag-hunting"],"yoast_head":"\n\u68c0\u6d4b\u5e76\u5e94\u5bf9 CVE-2023-21839 \u6f0f\u6d1e\u5229\u7528\u5a01\u80c1 - \u5bc6\u601d\u542c\u79d1\u6280<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mistiny.com\/en\/2023\/04\/02\/188\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u68c0\u6d4b\u5e76\u5e94\u5bf9 CVE-2023-21839 \u6f0f\u6d1e\u5229\u7528\u5a01\u80c1 - 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