Microsoft Windows up to XP Ancillary Function Driver afd.sys information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Windows up to XP. This impacts an unknown function of the file afd.sys of the component Ancillary Function Driver. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2013-3887. The attack is restricted to local execution. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows up to XP (Operating System). This vulnerability affects an unknown functionality of the file afd.sys of the component Ancillary Function Driver. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

The Ancillary Function Driver (AFD) in afd.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 allows local users to obtain sensitive information from kernel memory by leveraging improper copy operations, aka "Ancillary Function Driver Information Disclosure Vulnerability."

The weakness was disclosed 11/12/2013 as MS13-093 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2013-3887 since 06/03/2013. The exploitation appears to be easy. The attack needs to be approached locally. The successful exploitation needs a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 70851 (MS13-093: Vulnerability in Windows Ancillary Function Driver Could Allow Information Disclosure (2875783)), 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 90919 (Microsoft Windows Ancillary Function Driver Information Disclosure Vulnerability (MS13-093)).

Applying the patch MS13-093 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 (88367), Tenable (70851), SecurityFocus (BID 63545†), OSVDB (99654†) and Secunia (SA55558†). The entry VDB-11150 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Windows Vista SP2
  • Windows Server 2008 SP2
  • Windows 7 SP1
  • Windows Server 2003 SP2
  • Windows Server 2008 R2 SP1
  • Windows 8 SP0
  • Windows Server 2012 SP0
  • Windows XP Professional 64-bit Edition SP2

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: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70851
Nessus Name: MS13-093: Vulnerability in Windows Ancillary Function Driver Could Allow Information Disclosure (2875783)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 903501
OpenVAS Name: MS Windows Ancillary Function Driver Information Disclosure Vulnerability (2875783)
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: MS13-093

Timelineinfo

06/03/2013 🔍
11/12/2013 +162 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/12/2013 +0 days 🔍
11/13/2013 +1 days 🔍
11/13/2013 +0 days 🔍
11/15/2013 +2 days 🔍
12/25/2024 +4058 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS13-093
Status: Confirmed

CVE: CVE-2013-3887 (🔍)
GCVE (CVE): GCVE-0-2013-3887
GCVE (VulDB): GCVE-100-11152

OVAL: 🔍
IAVM: 🔍

X-Force: 88367
SecurityFocus: 63545
Secunia: 55558 - Microsoft Windows Ancillary Function Driver Information Disclosure Weakness, Not Critical
OSVDB: 99654 - Microsoft Windows Ancillary Function Driver (Afd.sys) Local Kernel Memory Disclosure
Vulnerability Center: 42279 - [MS13-093] Microsoft Itanium and x64-Based Workstations and Servers Local Information Disclosure Vulnerability Due to an Error in the afd.sys File - CVE-2013-3887, Medium

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 11/15/2013 14:13
Updated: 12/25/2024 21:59
Changes: 11/15/2013 14:13 (51), 04/07/2017 16:02 (28), 06/02/2021 08:20 (7), 06/02/2021 08:25 (1), 12/25/2024 21:59 (16)
Complete: 🔍
Committer:
Cache ID: 216::103

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