MS11-088 - Vulnerability in Microsoft Office IME (Chinese) Could Allow Elevation of Privilege

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Details
Vulnerability name/brief description MS11-088 - Vulnerability in Microsoft Office IME (Chinese) Could Allow Elevation of Privilege
CVE/CAN name
Vendor threat level Important
SophosLabs threat level Medium
Solution MS11-088
Vendor description This security update resolves a privately reported vulnerability in Microsoft Office IME (Chinese). The vulnerability could allow elevation of privilege if a logged-on user performed specific actions on a system where an affected version of the Microsoft Pinyin (MSPY) Input Method Editor (IME) for Simplified Chinese is installed. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full administrative rights. Only implementations of Microsoft Pinyin IME 2010 are affected by this vulnerability. Other versions of Simplified Chinese IME and other implementations of IME are not affected.
SophosLabs comments This update affects only a particular language component of Microsoft Office IME. Only systems running this component are vulnerable.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 13 Dec 2011
Affected software Microsoft Pinyin IME 2010 (32-bit editions)
Microsoft Pinyin IME 2010 (64-bit editions)
Microsoft Office Pinyin SimpleFast Style 2010 and Microsoft Office Pinyin New Experience Style 2010 (32-bit versions)
Microsoft Office Pinyin SimpleFast Style 2010 and Microsoft Office Pinyin New Experience Style 2010 (64-bit versions)
References
Credits
  • MAPP
Revisions
  • December 13, 2011 - 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:

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.