Vulnerability Description
The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication requests, which allows remote attackers to execute arbitrary code via crafted structures in a malformed request, aka "Internet Authentication Service Memory Corruption Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id?1023291
- http://www.us-cert.gov/cas/techalerts/TA09-342A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-07
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://www.securitytracker.com/id?1023291
- http://www.us-cert.gov/cas/techalerts/TA09-342A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-07
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-2505?
CVE-2009-2505 is a vulnerability with a CVSS score of 10.0 (HIGH). The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication re...
How severe is CVE-2009-2505?
CVE-2009-2505 has been rated HIGH with a CVSS base score of 10.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2505?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2008, Microsoft Windows Vista.