CERT-In Vulnerability Note
CIVN-2013-0202
Information Disclosure Vulnerability in Windows Ancillary Function Driver
Original Issue Date:November 13, 2013
Severity Rating: MEDIUM
Systems Affected
- Windows XP Professional x64 Edition Service Pack 2
- Windows Server 2003 x64 Edition Service Pack 2
- Windows Server 2003 with SP2 for Itanium-based Systems
- Windows Vista x64 Edition Service Pack 2
- Windows Server 2008 for x64-based Systems Service Pack 2
- Windows Server 2008 for Itanium-based Systems Service Pack 2
- Windows 7 for x64-based Systems Service Pack 1
- Windows Server 2008 R2 for x64-based Systems Service Pack 1
- Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
- Windows 8 for x64-based Systems
- Windows Server 2012
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- Windows Server 2012 (Server Core installation)
Overview
A information disclosure vulnerability has been reported in windows Ancillary Function Driver which could allow an attacker to locally access sensitive information on the targeted system.
Description
The vulnerability exists in Microsoft windows Ancillary Function Driver due to an error within the Ancillary Function Driver (afd.sys) while copying data between kernel and user memory. An attacker could exploit this vulnerability by login with a valid credential and executing a specially crafted application file on the targeted system.
Successful exploitation of this vulnerability could result in information disclosure from a higher privileged account on the target system.
Workaround
- Do not open executables from untrusted sources.
Solution
Apply appropriate patches as mentioned in Microsoft Security Bulletin
MS13-093
Vendor Information
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/ms13-093
References
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/ms13-093
Secunia
http://secunia.com/advisories/55558
Security Focus
http://www.securityfocus.com/bid/63545/discuss
CVE Name
CVE-2013-3887
Disclaimer
The information provided herein is on "as is" basis, without warranty of any kind.
Contact Information
Email: info@cert-in.org.in Phone: +91-11-24368572
Postal address
Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India
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