CAcert 'analyse.php' Cross Site Scripting Vulnerability

Bugtraq ID:	31481
Class:	Input Validation Error
CVE:	CVE-2008-7017
Remote:	Yes
Local:	No
Published:	Sep 29 2008 12:00AM
Updated:	May 07 2015 05:23PM
Credit:	Alexander Klink
Vulnerable:	CAcert CAcert 0
Not Vulnerable:

CAcert 'analyse.php' Cross Site Scripting Vulnerability

CAcert is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

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 allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

This issue affects versions of the CAcert source code released on or before September 21, 2008.

CAcert 'analyse.php' Cross Site Scripting Vulnerability

To exploit this issue an attacker entices an unsuspecting user into following a malicious URI.

The following example is available:

openssl req -new -x509 -subj "/CN=<\/pre><script>alert(document.cookies)<\/script><pre>"

CAcert 'analyse.php' Cross Site Scripting Vulnerability

Solution:
The vendor has fixed this issue in the source code released on September 28, 2008.

CAcert 'analyse.php' Cross Site Scripting Vulnerability

References:

• CAcert Homepage (CAcert)
  
• CAcert News Blog (CAcert)