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ITsVISTA KB-Link: KB956802

Vulnerabilities in GDI Could Allow Remote Code Execution

UpdatesDescription: This security update resolves two privately reported vulnerabilities in GDI. Exploitation of either of these vulnerabilities could allow remote code execution if a user opens a specially crafted WMF image file. An attacker who successfully exploited these vulnerabilities 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 vulnerabilities by modifying the way GDI validates file size parameters and performs integer calculations to prevent overflow conditions.

Update type: Critical

Release date: December 9, 2008

Applies to: All

Knowledge base: http://support.microsoft.com/kb/956802

Download link: 32-bit | 64-bit

Comments: Here are the specifics on the vulnerabilities covered by this update:

There is a download that resolves this issue.

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB956802.

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