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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2016-0317
Multiple Elevation of Privilege Vulnerabilities in Microsoft Windows Kernel Mode Drivers

Original Issue Date:December 14, 2016

Severity Rating: MEDIUM

Software Affected

  • Windows Vista Service Pack 2
  • Windows Vista x64 Edition Service Pack 2
  • Windows Server 2008 for 32-bit Systems and x64-based Systems Service Pack 2
  • Windows Server 2008 for Itanium-based Systems Service Pack 2
  • Windows 7 for 32-bit Systems and x64-based Systems Service Pack 1
  • 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 8.1 for 32-bit Systems and x64-based Systems.
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows RT 8.1
  • Microsoft Windows 10 for 32-bit Systems and x64-based Systems
  • Microsoft Windows 10 version 1511 for 32-bit Systems and x64-based Systems
  • Microsoft Windows 10 version 1607 for 32-bit Systems and x64-based Systems
  • Windows Server 2016 for x64-based Systems
  • Windows Server 2008 for 32-bit Systems and x64-based Systems Service Pack 2
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2 (Server Core installation)

Overview

Multiple Vulnerabilities have been reported in Microsoft Windows Kernel Mode Drivers which could allow an attacker to gain elevated privileges on the targeted system.

Description

1. Win32k Elevation of Privilege Vulnerability ( CVE-2016-7259   )

An elevation of privilege vulnerability exists in Microsoft Windows Kernel Mode Driver due to improper handling of objects in memory by the Windows Graphics Component. An attacker could exploit this vulnerability by running a specially crafted application on the targeted system.
Successful exploitation of this vulnerability could allow an attacker to gain elevated privileges and take complete control of the affected system.

2. Win32k Elevation of Privilege Vulnerability ( CVE-2016-7260   )

An elevation of privilege vulnerability exists in Microsoft Windows Kernel Mode Driver due to improper handling of objects in memory. An attacker could exploit this vulnerability by running a specially crafted application on the targeted system.
Successful exploitation of this vulnerability could allow an attacker to run arbitrary code in kernel mode and then install programs; modify data; or create new accounts with full user rights.

Solution

Apply appropriate patches as mentioned in Microsoft Security Bulletin   MS16-151

Vendor Information

Microsoft
https://technet.microsoft.com/library/security/ms16-151

References

Cisco
https://tools.cisco.com/security/center/viewAlert.x?alertId=49973
https://tools.cisco.com/security/center/viewAlert.x?alertId=49974

CVE Name
CVE-2016-7259
CVE-2016-7260

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

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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