Vulnerability Description
The Secure Channel (aka SChannel) authentication component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, when certificate authentication is used, does not properly validate the client's key exchange data in Transport Layer Security (TLS) handshake messages, which allows remote attackers to spoof authentication by crafting a TLS packet based on knowledge of the certificate but not the private key, aka "SChannel Spoofing Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 2000 | All versions |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
Related Weaknesses (CWE)
References
- http://osvdb.org/52521
- http://secunia.com/advisories/34215
- http://www.securitytracker.com/id?1021828
- http://www.us-cert.gov/cas/techalerts/TA09-069A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/0660
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-00
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://osvdb.org/52521
- http://secunia.com/advisories/34215
- http://www.securitytracker.com/id?1021828
- http://www.us-cert.gov/cas/techalerts/TA09-069A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/0660
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-00
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-0085?
CVE-2009-0085 is a vulnerability with a CVSS score of 7.1 (HIGH). The Secure Channel (aka SChannel) authentication component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, when certificate authentication ...
How severe is CVE-2009-0085?
CVE-2009-0085 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0085?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 2000, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.