CVE-2011-0040

MEDIUM

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."

References

http://osvdb.org/70825

http://secunia.com/advisories/43215

http://www.securityfocus.com/bid/46145

http://www.securitytracker.com/id?1025042

http://www.vupen.com/english/advisories/2011/0319

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-005

https://exchange.xforce.ibmcloud.com/vulnerabilities/64915

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12485

Details

Source: MITRE

Published: 2011-02-09

Updated: 2018-10-12

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM