Microsoft Windows 2000/Server 2003/XP Winlogon access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Windows 2000/Server 2003/XP. This vulnerability affects unknown code of the component Winlogon. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2006-3443. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows 2000/Server 2003/XP (Operating System) and classified as problematic. This vulnerability affects an unknown code block of the component Winlogon. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in Winlogon in Microsoft Windows 2000 SP4, when SafeDllSearchMode is disabled, allows local users to gain privileges via a malicious DLL in the UserProfile directory, aka "User Profile Elevation of Privilege Vulnerability."

The bug was discovered 08/08/2006. The weakness was shared 08/08/2006 by Reed Arvin with Canaudit Inc. as MS06-051 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-2006-3443 since 07/07/2006. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2364 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22193 (MS06-051: Vulnerability in Windows Kernel Could Result in Remote Code Execution (917422)), 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 90342 (Microsoft Windows Kernel Remote Code Execution Vulnerability (MS06-051)).

Applying the patch MS06-051 is able to eliminate this problem. The bugfix is ready for download at windowsupdate.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 (28012), Tenable (22193), SecurityFocus (BID 19375†), OSVDB (27846†) and Secunia (SA21417†). Additional details are provided at microsoft.com. The entries VDB-2436, VDB-2431, VDB-2430 and VDB-2432 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22193
Nessus Name: MS06-051: Vulnerability in Windows Kernel Could Result in Remote Code Execution (917422)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS06-051
Fortigate IPS: 🔍

Timelineinfo

02/17/2000 🔍
07/07/2006 +2332 days 🔍
08/08/2006 +32 days 🔍
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01/05/2025 +6724 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS06-051
Researcher: Reed Arvin
Organization: Canaudit Inc.
Status: Confirmed

CVE: CVE-2006-3443 (🔍)
GCVE (CVE): GCVE-0-2006-3443
GCVE (VulDB): GCVE-100-2434

OVAL: 🔍

CERT: 🔍
X-Force: 28012
SecurityFocus: 19375 - Microsoft Windows User Profile Privilege Escalation Vulnerability
Secunia: 21417 - Microsoft Windows Two Vulnerabilities, Highly Critical
OSVDB: 27846 - Microsoft Windows Winlogon Search Path Subversion Local Privilege Escalation
SecurityTracker: 1016662
Vulnerability Center: 12509 - [MS06-051] Microsoft Windows Winlogon Privilege Escalation via Malicious DLL, Medium
Vupen: ADV-2006-3216

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/09/2006 11:01
Updated: 01/05/2025 12:21
Changes: 08/09/2006 11:01 (100), 06/24/2019 10:10 (2), 01/05/2025 12:21 (17)
Complete: 🔍
Cache ID: 216:0D4:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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