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Vulnerability: MS09-032 - Cumulative Security Update of ActiveX Kill Bits

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Details
Vulnerability name/brief description Cumulative Security Update of ActiveX Kill Bits - MS09-032
CVE/CAN name

CVE-2008-0015

Vendor threat level Critical
SophosLabs threat level High
Solution

Users are advised to apply the vendor patch for MS09-032 .

Vendor description

This security update resolves a privately reported vulnerability that is currently being exploited. The vulnerability in Microsoft Video ActiveX Control could allow remote code execution if a user views a specially crafted Web page with Internet Explorer, instantiating the ActiveX control. This ActiveX control was never intended to be instantiated in Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

SophosLabs comments

Sophos has received a number of samples of Javascript files exploiting this vulnerability. Given the popularity of the software affected, and the severity SophosLabs has downgraded this vulnerability to a Threat level High from the Threat level Critical, since the vendor patch is now available.

SophosLabs testing result N/A
Currently known exploits

Exp/VidCtl-A - CVE-2008-0015
Mal/JSShell-D - CVE-2008-0015

First sample seen 6 July 2009
Discovery date 6 July 2009
Affected software

Microsoft Windows 2000
Windows XP
Windows Server 2003
Windows Vista
Windows Server 2008

References

http://www.microsoft.com/technet/security/Bulletin/ms09-032.mspx
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0015

Credits

Microsoft MAPP program

Revisions

14 July 2009 - initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:
Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:
Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:
Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:
Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:
Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:
SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:
Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:
List of identities for known exploits, if applicable.

First Sample Seen:
Date of the first sample seen by SophosLabs.

Discovery Date:
Date of the earliest known publically disclosed advisory.

Affected Software:
Vulnerable platforms and software versions.

If you need more information or guidance, then please contact technical support.