Microsoft Windows Server 2003/XP CSRSS Logoff access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Windows Server 2003/XP. This affects an unknown part of the component CSRSS Logoff. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2011-0030. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Server 2003/XP (Operating System). It has been rated as critical. Affected by this issue is an unknown functionality of the component CSRSS Logoff. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity. CVE summarizes:

The Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly kill processes after a logout, which allows local users to obtain sensitive information or gain privileges via a crafted application that continues to execute throughout the logout of one user and the login session of the next user, aka "CSRSS Elevation of Privilege Vulnerability," a different vulnerability than CVE-2010-0023.

The weakness was disclosed 02/08/2011 by Sihan Qing, Weiping Wen, Liang Yi and Husheng Zhou with Beijing University, Department of Information Secu as MS11-010 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2011-0030 since 12/10/2010. The attack can only be done within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 51910 (MS11-010: Vulnerability in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2476687)), 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 118955 (Microsoft Windows Client/Server Run-time Subsystem Elevation of Privilege Vulnerability (MS11-010)).

Applying the patch MS11-010 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 (64918), Tenable (51910), SecurityFocus (BID 46142†), OSVDB (70826†) and Secunia (SA43250†). The entries VDB-4296, VDB-4295, VDB-4294 and VDB-4293 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 51910
Nessus Name: MS11-010: Vulnerability in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2476687)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 901181
OpenVAS Name: Windows Client/Server Run-time Subsystem Privilege Elevation Vulnerability (2476687)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS11-010

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 🔍
02/08/2011 +0 days 🔍
02/08/2011 +0 days 🔍
02/09/2011 +0 days 🔍
02/16/2011 +7 days 🔍
01/20/2025 +5087 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-010
Researcher: Sihan Qing, Weiping Wen, Liang Yi, Husheng Zhou
Organization: Beijing University, Department of Information Secu
Status: Confirmed

CVE: CVE-2011-0030 (🔍)
GCVE (CVE): GCVE-0-2011-0030
GCVE (VulDB): GCVE-100-4292

OVAL: 🔍

X-Force: 64918
SecurityFocus: 46142 - Microsoft Windows CSRSS (CVE-2011-0030) Local Privilege Escalation Vulnerability
Secunia: 43250 - Microsoft Windows CSRSS Logoff Process Termination Vulnerability, Less Critical
OSVDB: 70826 - Microsoft Windows CSRSS Logoff Process Termination Local Information Disclosure
SecurityTracker: 1025045
Vulnerability Center: 29662 - [MS11-010] Microsoft Windows CSRSS Local Privilege Escalation Vulnerability, High

See also: 🔍

Entryinfo

Created: 02/16/2011 11:06
Updated: 01/20/2025 02:26
Changes: 02/16/2011 11:06 (82), 03/15/2017 12:32 (9), 03/18/2021 19:40 (3), 01/05/2025 22:31 (15), 01/20/2025 02:26 (2)
Complete: 🔍
Cache ID: 216:6FF:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!