Cryptocat CVE-2013-4106 HTML Injection Vulnerability

Bugtraq ID:	61099
Class:	Input Validation Error
CVE:	CVE-2013-4106
Remote:	Yes
Local:	No
Published:	Nov 07 2012 12:00AM
Updated:	Nov 07 2012 12:00AM
Credit:	Mario Heiderich, Krzysztof Kotowicz and Maxim Rupp
Vulnerable:	Cryptocat Project Cryptocat 2.0.21 Cryptocat Project Cryptocat 2.0.20 Cryptocat Project Cryptocat 2.0.12 Cryptocat Project Cryptocat 2.0.11 Cryptocat Project Cryptocat 2.0.10 Cryptocat Project Cryptocat 2.0.1 Cryptocat Project Cryptocat 2.0 Cryptocat Project Cryptocat 2.0
Not Vulnerable:	Cryptocat Project Cryptocat 2.0.22

Cryptocat CVE-2013-4106 HTML Injection Vulnerability

Cryptocat is prone to an HTML-injection vulnerability because it fails to sufficiently 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 allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

Versions prior to Cryptocat 2.0.22 are vulnerable.

Cryptocat CVE-2013-4106 HTML Injection Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Cryptocat CVE-2013-4106 HTML Injection Vulnerability

References:

• Cryptocat Changelog (Cryptocat)
  
• Cryptocat Homepage (Cryptocat)
  
• Cure53 Public Pentest Report: Cryptocat 2 (Dr.-Ing. Mario Heiderich, Krzysztof Kotowicz & Maxim Rupp )