Open Type Font Elevation of Privilege Vulnerability



Published: 2016-12-13
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-7256
CWE-ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe
Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Memory Corruption

EUVDB-ID: #VU1166

Risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2016-7256

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

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.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Windows: 7 - Vista

Windows Server: 2008 - 2016 10.0.14393.10

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2016-7256


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



###SIDEBAR###