SB2011110101 - Remote code execution in Microsoft Windows



SB2011110101 - Remote code execution in Microsoft Windows

Published: November 1, 2011 Updated: December 23, 2016

Security Bulletin ID SB2011110101
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory corruption (CVE-ID: CVE-2011-3402)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers. A remote attacker can create a specially crafted Word document or web page containing font data, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.