cve/2009/CVE-2009-0901.md

### [CVE-2009-0901](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0901)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

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."

### POC

#### Reference
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-035
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-037
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-060

#### Github
No PoCs found on GitHub currently.