Microsoft Windows 7/Server 2003/Server 2008/Vista/XP afd.sys input validation

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

A vulnerability classified as problematic has been found in Microsoft Windows 7/Server 2003/Server 2008/Vista/XP (Operating System). Affected is an unknown part of the file afd.sys. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 on 64-bit platforms does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "AfdPoll Elevation of Privilege Vulnerability."

The weakness was shared 02/14/2012 by Tarjei Mandt with Azimuth Security as MS12-009 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2012-0148 since 12/13/2011. The attack needs to be approached locally. A authentication is necessary for exploitation. Technical details and 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) and Tenable (57943). The entry 4637 is related to this item.

Productinfo

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  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

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

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
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CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Unproven

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Nessus ID: 57943
Nessus Name: MS12-009: Vulnerabilities in Ancillary Function Driver Could Allow Elevation of Privilege (2645640)
Nessus File: 🔍
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OpenVAS ID: 902424
OpenVAS Name: MS Windows Ancillary Function Driver Privilege Elevation Vulnerabilities (2645640)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-009

Timelineinfo

12/13/2011 🔍
02/14/2012 +62 days 🔍
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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-2012-0148 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 72841
SecurityTracker: 1026685 - Microsoft Windows Ancillary Function Driver Lets Local Users Gain Elevated Privileges
Vulnerability Center: 34471 - [MS12-009] Microsoft Windows Ancillary Function Driver Local Privilege Escalation Vulnerability, High
SecurityFocus: 51930 - Microsoft Windows Ancillary Function Driver CVE-2012-0148 Local Privilege Escalation Vulnerability
Secunia: 47911 - Windows Ancillary Function Driver Two Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 79252 - Microsoft Windows Ancillary Function Driver (afd.sys) AfdPoll User Mode Input Parsing Local Privilege Escalation

scip Labs: https://www.scip.ch/en/?labs.20140213
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Entryinfo

Created: 02/24/2012 01:00
Updated: 03/20/2021 20:30
Changes: 02/24/2012 01:00 (53), 08/19/2018 19:51 (31), 03/20/2021 20:23 (7), 03/20/2021 20:26 (2), 03/20/2021 20:30 (1)
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