Microsoft Visual Studio 'MSCOMM32.OCX' ActiveX Control Heap Buffer Overflow Vulnerability

Bugtraq ID:	35218
Class:	Boundary Condition Error
CVE:	CVE-2008-0024
Remote:	Yes
Local:	No
Published:	Jun 09 2009 12:00AM
Updated:	Jun 09 2009 10:49PM
Credit:	Robert Freeman of ISS X-Force
Vulnerable:	Microsoft Visual Basic 6.0 SP6
Not Vulnerable:

Microsoft Visual Studio 'MSCOMM32.OCX' ActiveX Control Heap Buffer Overflow Vulnerability

Microsoft Visual Studio is prone to a remote heap-based buffer-overflow vulnerability.

Attackers may exploit this issue by enticing an unsuspecting victim to view a malicious webpage.

Successful exploits will allow attackers to execute arbitrary code within the context of the affected application that uses the ActiveX control (typically Internet Explorer). Failed exploit attempts will result in a denial-of-service condition.

Microsoft Visual Studio 'MSCOMM32.OCX' ActiveX Control Heap Buffer Overflow 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 Visual Studio 'MSCOMM32.OCX' ActiveX Control Heap Buffer Overflow Vulnerability

Solution:
The vendor has released an update. Please see the references for details.

Microsoft Visual Studio 'MSCOMM32.OCX' ActiveX Control Heap Buffer Overflow Vulnerability

References:

• Microsoft Knowledge Base Article 240797 (Microsoft)
  
• Microsoft Security Advisory 969898 (Microsoft)
  
• Microsoft Visual Basic ActiveX Remote Code Execution Vulnerability (IBM X-Force)
  
• Microsoft Visual Studio Homepage (Microsoft)