Microsoft Windows Server 2003 SP2 afd.sys input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Windows Server 2003 SP2 and classified as problematic. The affected element is an unknown function of the file afd.sys. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2012-0149. Local access is required to approach this attack. Moreover, an exploit is present. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows Server 2003 SP2 (Operating System). This issue affects an unknown part of the file afd.sys. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, and integrity. The summary by CVE is:

afd.sys in the Ancillary Function Driver in Microsoft Windows Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

The weakness was disclosed 02/14/2012 by Tarjei Mandt with Azimuth Security as MS12-009 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2012-0149 since 12/13/2011. An attack has to be approached locally. A simple authentication is necessary for exploitation. Technical details as well as a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 57943 (MS12-009: Vulnerabilities in Ancillary Function Driver Could Allow Elevation of Privilege (2645640)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90776 (Microsoft Ancillary Function Driver Elevation of Privilege (MS12-009)).

Applying the patch MS12-009 is able to eliminate this problem. The bugfix is ready for download at technet.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 (72841), Tenable (57943), SecurityFocus (BID 51936†), OSVDB (79253†) and Secunia (SA47911†). The entry VDB-4644 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Unproven

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57943
Nessus Name: MS12-009: Vulnerabilities in Ancillary Function Driver Could Allow Elevation of Privilege (2645640)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902424
OpenVAS Name: MS Windows Ancillary Function Driver Privilege Elevation Vulnerabilities (2645640)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-009

Timelineinfo

12/13/2011 🔍
02/14/2012 +62 days 🔍
02/14/2012 +0 days 🔍
02/14/2012 +0 days 🔍
02/14/2012 +0 days 🔍
02/14/2012 +0 days 🔍
02/14/2012 +0 days 🔍
02/15/2012 +1 days 🔍
02/24/2012 +9 days 🔍
03/20/2021 +3312 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS12-009
Researcher: Tarjei Mandt
Organization: Azimuth Security
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0149 (🔍)
GCVE (CVE): GCVE-0-2012-0149
GCVE (VulDB): GCVE-100-4637

OVAL: 🔍
IAVM: 🔍

X-Force: 72841
SecurityFocus: 51936 - Microsoft Windows Ancillary Function Driver CVE-2012-0149 Local Privilege Escalation Vulnerability
Secunia: 47911 - Windows Ancillary Function Driver Two Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 79253 - Microsoft Windows Ancillary Function Driver (afd.sys) User Mode Input Parsing Local Privilege Escalation
SecurityTracker: 1026685 - Microsoft Windows Ancillary Function Driver Lets Local Users Gain Elevated Privileges
Vulnerability Center: 34476 - [MS12-009] Microsoft Windows Server 2003 SP2 Ancillary Function Driver Local Privilege Escalation, High

See also: 🔍

Entryinfo

Created: 02/24/2012 01:00
Updated: 03/20/2021 19:17
Changes: 02/24/2012 01:00 (53), 04/07/2017 16:01 (31), 03/20/2021 19:11 (7), 03/20/2021 19:15 (2), 03/20/2021 19:17 (1)
Complete: 🔍
Cache ID: 216:37E:103

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