MS13-075 - Important Vulnerability in Microsoft Office IME (Chinese) Could Allow Elevation of Privilege (2878687)

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Details
Vulnerability name/brief description MS13-075 - Important Vulnerability in Microsoft Office IME (Chinese) Could Allow Elevation of Privilege (2878687)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level Medium
Solution MS13-075
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 attacker launches Internet Explorer from the toolbar in Microsoft Pinyin IME for Simplified Chinese. 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 Systems with IME other than Microsoft Pinyin IME 2010 are not affected, and the attacker needs to already have access to the system to exploit this vulnerability.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 10 Sep 2013
Affected software Microsoft Office 2010 Service Pack 1 (32-bit editions)
Microsoft Office 2010 Service Pack 1 (64-bit editions)
References
Credits
  • MAPP
Revisions
  • September 10, 2013 - Initial Revision 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:

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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.