Vulnerability Description
The server in Microsoft Active Directory on Windows Server 2003 SP2 does not properly handle an update request for a service principal name (SPN), which allows remote attackers to cause a denial of service (authentication downgrade or outage) via a crafted request that triggers name collisions, aka "Active Directory SPN Validation Vulnerability."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 2003 Server | All versions |
Related Weaknesses (CWE)
References
- http://osvdb.org/70825
- http://secunia.com/advisories/43215Vendor Advisory
- http://www.securityfocus.com/bid/46145
- http://www.securitytracker.com/id?1025042
- http://www.vupen.com/english/advisories/2011/0319Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-00
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64915
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://osvdb.org/70825
- http://secunia.com/advisories/43215Vendor Advisory
- http://www.securityfocus.com/bid/46145
- http://www.securitytracker.com/id?1025042
- http://www.vupen.com/english/advisories/2011/0319Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-00
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64915
FAQ
What is CVE-2011-0040?
CVE-2011-0040 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The server in Microsoft Active Directory on Windows Server 2003 SP2 does not properly handle an update request for a service principal name (SPN), which allows remote attackers to cause a denial of se...
How severe is CVE-2011-0040?
CVE-2011-0040 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-0040?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 2003 Server.