Vulnerability 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."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 2000 | All versions |
| Microsoft | .Net Framework | 1.1 |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows 7 | - |
| Microsoft | Windows Xp | All versions |
Related Weaknesses (CWE)
References
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-06
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-06
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-0091?
CVE-2009-0091 is a vulnerability with a CVSS score of 9.3 (HIGH). 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 c...
How severe is CVE-2009-0091?
CVE-2009-0091 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0091?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 2000, Microsoft .Net Framework, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista.