Xen Para-Virtualized Framebuffer Message Format Denial Of Service Vulnerability

Bugtraq ID:	29186
Class:	Input Validation Error
CVE:	CVE-2008-1944
Remote:	Yes
Local:	No
Published:	May 13 2008 12:00AM
Updated:	May 14 2008 05:35PM
Credit:	Daniel P. Berrange
Vulnerable:	XenSource Xen 3.0.3 XenSource Xen 3.0 Redhat Enterprise Linux Virtualization 5 Server Redhat Enterprise Linux Desktop Multi OS 5 client Redhat Enterprise Linux Desktop 5 client Redhat Enterprise Linux 5 Server
Not Vulnerable:

Xen Para-Virtualized Framebuffer Message Format Denial Of Service Vulnerability

Xen is prone to a denial-of-service vulnerability because the application fails to adequately verify the format of user-supplied data.

An attacker can leverage this issue to cause denial-of-service conditions or to compromise the privileged domain (Dom0).

Xen Para-Virtualized Framebuffer Message Format Denial Of Service Vulnerability

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

Xen Para-Virtualized Framebuffer Message Format Denial Of Service Vulnerability

Solution:
Fixes are available. Please see the references for more information.

Xen Para-Virtualized Framebuffer Message Format Denial Of Service Vulnerability

References:

• Xen Project Homepage (Xen Project)
  
• RHSA-2008:0194-20 xen security and bug fix update (Red Hat)