Vulnerability Description
The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "WPF Reflection Optimization Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 4.0 |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
| Microsoft | Windows 8 | - |
| Microsoft | Windows Rt | - |
| Microsoft | Windows Server 2012 | - |
Related Weaknesses (CWE)
References
- http://osvdb.org/87267
- http://secunia.com/advisories/51236
- http://www.securityfocus.com/bid/56464
- http://www.securitytracker.com/id?1027753
- http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-07
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://osvdb.org/87267
- http://secunia.com/advisories/51236
- http://www.securityfocus.com/bid/56464
- http://www.securitytracker.com/id?1027753
- http://www.us-cert.gov/cas/techalerts/TA12-318A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-07
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2012-4777?
CVE-2012-4777 is a vulnerability with a CVSS score of 9.3 (HIGH). The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary co...
How severe is CVE-2012-4777?
CVE-2012-4777 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-2012-4777?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net Framework, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista.