First published: Wed Jul 29 2009(Updated: )
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2; does not prevent VariantClear calls on an uninitialized VARIANT, which allows remote attackers to execute arbitrary code via a malformed stream to an ATL (1) component or (2) control, related to ATL headers and error handling, aka "ATL Uninitialized Object Vulnerability."
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Microsoft Visual C++ | =2005-sp1_redistribution_pkg | |
Microsoft Visual C++ | =2008-redistribution_pkg | |
Microsoft Visual C++ | =2008-sp1_redistribution_pkg | |
Visual Studio | =2005-sp1 | |
Visual Studio | =2005-sp1 | |
Visual Studio | =2008 | |
Visual Studio | =2008-sp1 | |
Microsoft Visual Studio | =2003-sp1 |
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CVE-2009-0901 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.
To fix CVE-2009-0901, apply the latest security patches released by Microsoft for the affected Visual Studio and Visual C++ versions.
CVE-2009-0901 affects Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1, Visual Studio 2008 Gold and SP1, and Visual C++ 2005 SP1 and 2008 Gold and SP1.
Yes, CVE-2009-0901 specifically involves a vulnerability within Active Template Library (ATL) implementations.
If exploited, CVE-2009-0901 could allow an attacker to execute arbitrary code on a vulnerable system, potentially taking control of the affected machine.