Microsoft Windows Client/Server Run-Time Subsystem access control

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

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft Windows. Impacted is an unknown function of the component Client/Server Run-Time Subsystem. Performing a manipulation results in access control. This vulnerability is known as CVE-2010-1891. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows (Operating System) (version now known). This affects some unknown processing of the component Client/Server Run-Time Subsystem. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The Client/Server Runtime Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2, when a Chinese, Japanese, or Korean locale is enabled, does not properly allocate memory for transactions, which allows local users to gain privileges via a crafted application, aka "CSRSS Local Elevation of Privilege Vulnerability."

The weakness was published 09/14/2010 with IBM Japan as MS10-069 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2010-1891 since 05/11/2010. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 49227 (MS10-069: Vulnerability in Windows Client/Server Runtime Subsystem Could Allow Elevation of Privilege (2121546)), 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 90642 (Microsoft Windows Client/Server Runtime Subsystem (CSRSS) Elevation of Privilege Vulnerability (MS10-069)).

Upgrading eliminates this vulnerability. Applying the patch MS10-069 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (61519), Tenable (49227), SecurityFocus (BID 43121†), OSVDB (67986†) and Secunia (SA41420†). Similar entries are available at VDB-4181, VDB-4187, VDB-4184 and VDB-4182. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

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

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49227
Nessus Name: MS10-069: Vulnerability in Windows Client/Server Runtime Subsystem Could Allow Elevation of Privilege (2121546)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902301
OpenVAS Name: Windows Client/Server Runtime Subsystem Privilege Elevation Vulnerability (2121546)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: MS10-069

Timelineinfo

05/11/2010 🔍
09/14/2010 +126 days 🔍
09/14/2010 +0 days 🔍
09/14/2010 +0 days 🔍
09/14/2010 +0 days 🔍
09/14/2010 +0 days 🔍
09/14/2010 +0 days 🔍
09/14/2010 +0 days 🔍
09/15/2010 +0 days 🔍
09/15/2010 +0 days 🔍
09/17/2010 +2 days 🔍
01/25/2025 +5244 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS10-069
Organization: IBM Japan
Status: Confirmed

CVE: CVE-2010-1891 (🔍)
GCVE (CVE): GCVE-0-2010-1891
GCVE (VulDB): GCVE-100-4185

OVAL: 🔍

X-Force: 61519
SecurityFocus: 43121 - Microsoft Windows CSRSS Memory Allocation Local Privilege Escalation Vulnerability
Secunia: 41420 - Microsoft Windows Client/Server Runtime Subsystem Privilege Escalation, Less Critical
OSVDB: 67986 - Microsoft Windows Client/Server Runtime Subsystem (CSRSS) Local Privilege Escalation
Vulnerability Center: 27149 - [MS10-069] Microsoft Windows CSRSS Local Privilege Escalation Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 09/17/2010 02:00
Updated: 01/25/2025 22:17
Changes: 09/17/2010 02:00 (81), 03/04/2017 18:10 (9), 03/18/2021 11:22 (3), 01/25/2025 22:17 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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