Microsoft Windows Server 2003/XP Kerberos CRC32 Checksum cryptographic issues

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Windows Server 2003/XP (Operating System). This affects the function CRC32 Checksum of the component Kerberos. The manipulation with an unknown input leads to a cryptographic issues vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Kerberos in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 supports weak hashing algorithms, which allows local users to gain privileges by operating a service that sends crafted service tickets, as demonstrated by the CRC32 algorithm, aka "Kerberos Unkeyed Checksum Vulnerability."

The weakness was presented 02/08/2011 with MIT Kerberos Team as MS11-013 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2011-0043 since 12/10/2010. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 51913 (MS11-013: Vulnerabilities in Kerberos Could Allow Elevation of Privilege (2496930)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90686 (Microsoft Windows Kerberos Elevation of Privilege Vulnerability (MS11-013)).

Applying the patch MS11-013 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64902) and Tenable (51913). See VDB-4295 for similar entry.

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  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51913
Nessus Name: MS11-013: Vulnerabilities in Kerberos Could Allow Elevation of Privilege (2496930)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902288
OpenVAS Name: Microsoft Kerberos Privilege Escalation Vulnerabilities (2496930)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
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Patch: MS11-013

Timelineinfo

12/10/2010 🔍
02/08/2011 +60 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/09/2011 +1 days 🔍
02/09/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/16/2011 +6 days 🔍
03/18/2021 +3683 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-013
Organization: MIT Kerberos Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0043 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 64902
Vulnerability Center: 29642 - [MS11-013] Microsoft Windows XP and Windows Server 2003 Local Privilege Escalation Vulnerability, High
SecurityFocus: 46130 - Microsoft Windows Kerberos Unkeyed Checksum Local Privilege Escalation Vulnerability
Secunia: 43251 - Microsoft Windows Kerberos Unkeyed Checksum Privilege Escalation Vulnerability, Less Critical
OSVDB: 70834 - Microsoft Windows Kerberos Unkeyed Checksum Hashing Mechanism Service Ticket Forgery

See also: 🔍

Entryinfo

Created: 02/16/2011 11:10
Updated: 03/18/2021 19:46
Changes: 02/16/2011 11:10 (87), 03/15/2017 12:28 (9), 03/18/2021 19:43 (3), 03/18/2021 19:46 (1)
Complete: 🔍
Cache ID: 3:E16:103

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