CVE-2009-0901: Code Injection
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."
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2009-0901?
CVE-2009-0901 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2009-0901?
To fix CVE-2009-0901, apply the latest security patches released by Microsoft for the affected Visual Studio and Visual C++ versions.
Which software versions are affected by CVE-2009-0901?
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.
Is CVE-2009-0901 related to Active Template Library (ATL)?
Yes, CVE-2009-0901 specifically involves a vulnerability within Active Template Library (ATL) implementations.
What could happen if CVE-2009-0901 is exploited?
If exploited, CVE-2009-0901 could allow an attacker to execute arbitrary code on a vulnerable system, potentially taking control of the affected machine.