CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register   Reset Password   Activate Account
Vulnerability Feeds & WidgetsNew   www.itsecdb.com  

Vulnerability Details : CVE-2011-0040

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."
Publish Date : 2011-02-08 Last Update Date : 2011-07-18
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Related OVAL Definitions

Title Definition Id Class Family
Active Directory SPN Validation Vulnerability oval:org.mitre.oval:def:12485 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-0040

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 2003 Server SP2 Version Details Vulnerabilities
2 OS Microsoft Windows 2003 Server SP2 X64 Version Details Vulnerabilities
3 OS Microsoft Windows 2003 Server SP2 Itanium Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 2003 Server 3

- References For CVE-2011-0040

http://www.securityfocus.com/bid/46145
BID 46145 Microsoft Active Directory Service Principal Names (CVE-2011-0040) Denial Of Service Vulnerability Release Date:2011-02-11
http://osvdb.org/70825
OSVDB 70825 Microsoft Windows Active Directory Server Principal Name (SPN) Handling Remote DoS Microsoft Windows Active Directory Server Principal Name (SPN) Handling Remote DoS
http://secunia.com/advisories/43215
SECUNIA 43215
http://www.securitytracker.com/id?1025042
SECTRACK 1025042
http://xforce.iss.net/xforce/xfdb/64915
XF ms-win-active-directory-dos(64915)
http://www.vupen.com/english/advisories/2011/0319
VUPEN ADV-2011-0319
http://technet.microsoft.com/en-us/security/bulletin/ms11-005
Microsoft Security Bulletin MS11-005 MS11-005 - Important: Vulnerability in Active Directory Could Allow Denial of Service (2478953) Bulletin Severity Rating:Important - This security update resolves a publicly disclosed vulnerability in Active Directory. The vulnerability could allow denial of service if an attacker sent a specially crafted packet to an affected Active Directory server. The attacker must have valid local administrator privileges on the domain-joined computer in order to exploit this vulnerability.Release Date:2011-02-08

- Metasploit Modules Related To CVE-2011-0040

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.