Eng
  1. Skip to navigation
  2. Skip to content
  3. Skip to sidebar


Vulnerability protection

Windows Ancillary Function Driver vulnerability could allow information disclosure


Report ID: MS201311006
Date Published: 13 November 2013

Criticality: Important
Compromise Type: information-disclosure
Compromise From: local-system


Affected Product/Component:

Windows XP
Windows Server 2003
Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8
Windows Server 2012




Summary

A vulnerability reported in the Windows Ancillary Function Driver could disclose information from kernel memory on the local system, if successfully exploited.



Detailed Description

Microsoft has released a security update to resolve an information disclosure vulnerability reported in the Windows Ancillary Function Driver. The vulnerability was caused when Windows permits excess data to be copied from kernel memory to user memory. Upon successful exploitation, an attacker could be able to access information on the kernel memory on the local system.

The issue has been resolved in the latest update by correcting the way Windows copies data from kernel memory to user memory. Users are recommended to install this update onto their system as a protection measure against exploit attempts.



CVE Reference

CVE-2013-3887



Solution

Install the latest security patch for applicable system, available for download from (https://technet.microsoft.com/en-us/security/bulletin/ms13-093)




Security Advisories

For a list of known vulnerabilities affecting F-Secure products and the released fixes, please refer to the Security Advisories page.