MS12-057 - Important Vulnerability in Microsoft Office Could Allow for Remote Code Execution (2731879)

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Details
Vulnerability name/brief description MS12-057 - Important Vulnerability in Microsoft Office Could Allow for Remote Code Execution (2731879)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level High
Solution MS12-057
Vendor description This security update resolves one privately reported vulnerability in Microsoft Office. The vulnerability could allow remote code execution if a user opens specially crafted file or embeds a specially crafted . Computer Graphics Metafile (CGM) graphics file in to an Office file. An attacker who successfully exploited this vulnerability could gain the same user rights as the current 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 Although this vulnerability can have wide spread business impact, the fact that SophosLabs has not seen any samples trying to exploit this vulnerability, and that this was also partially addressed by MS10-105 we give it a High rating.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 14 Aug 2012
Affected software Microsoft Office 2007 Service Pack 2 (KB2596615)
Microsoft Office 2007 Service Pack 2 (KB2596754)
Microsoft Office 2007 Service Pack 3 (KB2596615)
Microsoft Office 2007 Service Pack 3 (KB2596754)
Microsoft Office 2010 Service Pack 1 (32-bit editions) (KB2553260)
Microsoft Office 2010 Service Pack 1 (32-bit editions) (KB2589322)
Microsoft Office 2010 Service Pack 1 (64-bit editions) (KB2553260)
Microsoft Office 2010 Service Pack 1 (64-bit editions) (KB2589322)
References
Credits
  • MAPP
Revisions
  • August 14th, 2012 - 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:

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Vendor Description:

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SophosLabs Comments:

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SophosLabs Testing Result:

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Currently Known Exploits:

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First Sample Seen:

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Discovery Date:

Date of the earliest known publically disclosed advisory.

Affected Software:

Vulnerable platforms and software versions.