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Vulnerability:MS10-052 - Vulnerability in Microsoft MPEG Layer-3 Codecs Could Allow Remote Code Execution (2115168)

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Details
Vulnerability name/brief description MS10-052 - Vulnerability in Microsoft MPEG Layer-3 Codecs Could Allow Remote Code Execution (2115168)
CVE/CAN name CVE-2010-1882
Vendor threat level Critical
SophosLabs threat level Medium
Solution

MS10-052

Vendor description This security update resolves a privately reported vulnerability in Microsoft MPEG Layer-3 audio codecs. The vulnerability could allow remote code execution if a user opens a specially crafted media file or receives specially crafted streaming content from a Web site or any application that delivers Web content. An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. 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 The patch encompasses how DirectShow MP3 filter handles supported media files. The fact that this vulnerability was privately disclosed and that we are yet to see any malware that exploit this issue have been considered when assigning the SophosLabs threat rating of Medium, although we do recommend that users apply this patch at their earliest convenience.
SophosLabs testing result N/A
Currently known exploits At the time of writing SophosLabs have not observed any malware attempting to exploit this vulnerability. Should this situation change samples will be analyzed and we will take action as necessary.
First sample seen N/A
Discovery date August 10, 2010
Affected software Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
References http://www.microsoft.com/technet/security/bulletin/MS10-052.mspx
http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2010-1882
Credits Microsoft MAPP
Revisions August 10, 2010 - 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.

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