Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution Vulnerability

Bugtraq ID:	53360
Class:	Boundary Condition Error
CVE:	CVE-2012-0176
Remote:	Yes
Local:	No
Published:	May 08 2012 12:00AM
Updated:	Jun 04 2012 05:20PM
Credit:	Alex Plaskett of MWR InfoSecurity
Vulnerable:	Microsoft Silverlight 4.0 Avaya Messaging Application Server 5.2 Avaya Messaging Application Server 5 Avaya Meeting Exchange - Webportal 0 Avaya Meeting Exchange - Web Conferencing Server 0 Avaya Meeting Exchange - Streaming Server 0 Avaya Meeting Exchange - Recording Server 0 Avaya Meeting Exchange - Enterprise Edition Avaya Meeting Exchange - Client Registration Server 0 Avaya Meeting Exchange 5.0 .0.52 Avaya Meeting Exchange 5.2 SP2 Avaya Meeting Exchange 5.2 SP1 Avaya Meeting Exchange 5.2 Avaya Meeting Exchange 5.1 SP1 Avaya Meeting Exchange 5.1 Avaya Meeting Exchange 5.0 SP2 Avaya Meeting Exchange 5.0 SP1 Avaya Meeting Exchange 5.0 Avaya Communication Server 1000 Telephony Manager 4.0 Avaya Communication Server 1000 Telephony Manager 3.0 Avaya CallPilot 5.0 Avaya CallPilot 4.0 Avaya Aura Conferencing 6.0 Standard
Not Vulnerable:

Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution Vulnerability

Microsoft Silverlight is prone to a remote code-execution vulnerability.

An attacker can exploit this issue to execute arbitrary code with the privileges of the currently logged-in user. Failed exploit attempts will likely result in a denial-of-service condition.

Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution 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].

Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution Vulnerability

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


Microsoft Silverlight 4.0

• Microsoft Security Update for Microsoft Silverlight (KB2690729)
  http://www.microsoft.com/en-us/download/details.aspx?id=29716

Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• ASA-2012-214 MS12-034 Combined Security Update for Microsoft Office, Windows, .N (Avaya)
  
• Microsoft Security Bulletin MS12-034 (Microsoft)