Vulnerability in Microsoft DirectShow Could Allow Remote Code Execution (2845187)

ITS Advisory Number: 
2013-066
Date(s) Issued: 
Tuesday, July 9, 2013
Subject: 
Vulnerability in Microsoft DirectShow Could Allow Remote Code Execution (2845187)
Overview: 

A vulnerability has been discovered in Microsoft DirectShow that could allow remote code execution. DirectShow is a component of Windows for streaming media and performing various operations with media files on Microsoft Windows operating systems. This vulnerability can be exploited when a user opens a specially crafted GIF image file. Successful exploitation could allow an attacker to gain the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Systems Affected: 
  • Windows XP
  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows Server 2003
  • Windows Server 2008
  • Windows Server 2012
RISK
GOVERNMENT
Large and medium government entities: 
High
Small government entities: 
High
BUSINESS
Large and medium business entities: 
High
Small business entities: 
High
Home Users: 
High
Description: 

A vulnerability has been discovered in Microsoft DirectShow that could allow remote code execution. The vulnerability is caused by the way DirectShow parses GIF image files and can be exploited when a user visits a website with specially crafted content. Successful exploitation could allow an attacker to gain the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Actions: 
  • Apply appropriate patches provided by Microsoft to vulnerable systems immediately after appropriate testing.
  • Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
  • Remind users not to open email attachments from unknown users or suspicious emails from trusted sources.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
References: 
Microsoft:
https://technet.microsoft.com/en-us/security/bulletin/ms13-056
CVE
:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-3174