Description: This security update resolves a privately reported vulnerability in Microsoft DirectShow. The vulnerability could allow remote code execution if a user opened a specially crafted AVI file. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
The security update addresses the vulnerability by correcting the way that DirectShow opens AVI files.
Update type: Critical
Release date: February 9, 2010
Applies to: All versions
Knowledge base: http://support.microsoft.com/kb/977935
Download link: 32-bit | 64-bit
Comments:Here are the specifics on the vulnerabilities covered by this update:
- DirectShow Heap Overflow Vulnerability – CVE-2010-0250