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AUSCERT External Security Bulletin Redistribution
Vulnerability in Windows Movie Maker Could Allow Remote Code
15 December 2010
AusCERT Security Bulletin Summary
Product: Windows Movie Maker 2.6
Operating System: Windows Vista
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
CVE Names: CVE-2010-3967
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Microsoft Security Bulletin MS10-093 - Important
Vulnerability in Windows Movie Maker Could Allow Remote Code Execution
This security update resolves a publicly disclosed vulnerability in Windows
Movie Maker. The vulnerability could allow remote code execution if an
attacker convinces a user to open a legitimate Windows Movie Maker file that
is located in the same network directory as a specially crafted library file.
For an attack to be successful, a user must visit an untrusted remote file
system location or WebDAV share and open a document from this location that is
then loaded by a vulnerable application.
This security update is rated Important for Windows Movie Maker 2.6 on all
supported editions of Windows Vista. For more information, see the subsection,
Affected and Non-Affected Software, in this section.
The security update addresses the vulnerability by correcting the way Windows
Movie Maker loads external libraries. For more information about the
vulnerability, see the Frequently Asked Questions (FAQ) subsection for the
specific vulnerability entry under the next section, Vulnerability
Windows Vista Service Pack 1
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 1
Windows Vista x64 Edition Service Pack 2
Insecure Library Loading Vulnerability - CVE-2010-3967
A remote code execution vulnerability exists in the way that Windows Movie
Maker handles the loading of DLL files. 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.
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