GNU GNATS Gnatsweb.PL Cross-Site Scripting Vulnerability

Bugtraq ID:	24081
Class:	Input Validation Error
CVE:	CVE-2007-2808
Remote:	Yes
Local:	No
Published:	May 21 2007 12:00AM
Updated:	Feb 05 2008 08:36PM
Credit:	r0t is credited with the discovery of this vulnerability.
Vulnerable:	GNU Gnatsweb 4.0 GNU GNATS 4.1.99 Debian Linux 4.0 sparc Debian Linux 4.0 s/390 Debian Linux 4.0 powerpc Debian Linux 4.0 mipsel Debian Linux 4.0 mips Debian Linux 4.0 m68k Debian Linux 4.0 ia-64 Debian Linux 4.0 ia-32 Debian Linux 4.0 hppa Debian Linux 4.0 arm Debian Linux 4.0 amd64 Debian Linux 4.0 alpha Debian Linux 4.0
Not Vulnerable:

GNU GNATS Gnatsweb.PL Cross-Site Scripting Vulnerability

GNATS is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

This issue affects GNATS 4.1.99 and Gnatsweb 4.0; other versions may also be vulnerable.

GNU GNATS Gnatsweb.PL Cross-Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting user to follow a malicious URI.

GNU GNATS Gnatsweb.PL Cross-Site Scripting Vulnerability

Solution:
The vendor has released updates to address this issue. Please see the referenced advisories for more information.

GNU GNATS Gnatsweb.PL Cross-Site Scripting Vulnerability

References:

• Gnats Homepage (GNU)
  
• GNATS XSS vuln (r0t)