SB2013051701 - Privilege escalation in Microsoft Windows



SB2013051701 - Privilege escalation in Microsoft Windows

Published: May 17, 2013 Updated: March 13, 2017

Security Bulletin ID SB2013051701
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Privilege escalation (CVE-ID: CVE-2013-3660)

The vulnerability allows a local attacker to obtain elevated privileges on the target system.

The weakness exists due to the failure to properly initialize a pointer for the next object in a certain list by the EPATHOBJ::pprFlattenRec function within kernel-mode driver (win32k.sys). A local attacker can use multiple FlattenPath function calls to obtain write access to the PATHRECORD chain and execute arbitrary code on the system with elevated privileges.

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.