cve/2009/CVE-2009-0091.md

### [CVE-2009-0091](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0091)
![](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

Microsoft .NET Framework 2.0, 2.0 SP1, and 3.5 does not properly enforce a certain type-equality constraint in .NET verifiable code, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft .NET Framework Type Verification Vulnerability."

### POC

#### Reference
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-061

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