#VU1166 Memory Corruption in Windows and Windows Server - CVE-2016-7256

 

#VU1166 Memory Corruption in Windows and Windows Server - CVE-2016-7256

Published: November 9, 2016 / Updated: February 3, 2017


Vulnerability identifier: #VU1166
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2016-7256
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

A remote attacker can execute arbitrary code on the target system.

The vulnerability exists due to incorrect handling of objects in memory in Windows font library when processing Open Type fonts. A remote attacker can create a specially crafted font file and cause memory corruption.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on vulnerable system with privileges of the current user.

Note: this vulnerability is being actively exploited in the wild.


Remediation

Vendor has issued patches to address this vulnerability:

Windows Vista Service Pack 2

Windows Vista x64 Edition Service Pack 2

Windows Server 2008 for 32-bit Systems 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 32-bit Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for 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 x64-based Systems Service Pack 1

Windows Server 2008 R2 for Itanium-based Systems Service Pack 1

Windows Server 2008 R2 for Itanium-based Systems Service Pack 1

Windows 8.1 for 32-bit Systems

Windows 8.1 for 32-bit Systems

Windows 8.1 for x64-based Systems

Windows 8.1 for x64-based Systems

Windows Server 2012

Windows Server 2012

Windows Server 2012 R2

Windows Server 2012 R2

Windows 10 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 Version 1511 for 32-bit Systems

Windows 10 Version 1511 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 Version 1607 for x64-based Systems

Windows Server 2016 for x64-based Systems

Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)

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 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2012 (Server Core installation)

Windows Server 2012 (Server Core installation)

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2 (Server Core installation)

Windows Server 2016 for x64-based Systems (Server Core installation)


External links