YACS Multiple Remote File Include Vulnerabilities

Bugtraq ID:	19799
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 01 2006 12:00AM
Updated:	Sep 05 2006 08:13PM
Credit:	MATASANOS has been credited with the discovery of these vulnerabilities.
Vulnerable:	YACS YACS 6.6.1
Not Vulnerable:

YACS Multiple Remote File Include Vulnerabilities

YACS is prone multiple remote file-include vulnerabilities because the application fails to properly sanitize user-supplied input.

An attacker can exploit these issues to include an arbitrary remote file containing malicious PHP code and execute it in the context of the webserver process. This may allow the attacker to compromise the application and the underlying system; other attacks are also possible.

YACS Version 6.6.1 is affected by this vulnerability; other versions may also be affected.

YACS Multiple Remote File Include Vulnerabilities

Attackers can exploit these issues via a web client.

Proof of concept URIs are available.

• /data/vulnerabilities/exploits/yacs_poc.txt

YACS Multiple Remote File Include Vulnerabilities

Solution:
The vendor has released a patch to address these issues.


YACS YACS 6.6.1

• YACS Security Patch for YACS 6.6.1
  http://www.yetanothercommunitysystem.com/yacs/articles/view.php/1664

YACS Multiple Remote File Include Vulnerabilities

References:

• YACS Home Page (YACS)