#VU5666 Improper input validation in Microsoft products - CVE-2015-2431
Published: February 8, 2017 / Updated: September 14, 2018
Vulnerability identifier: #VU5666
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2015-2431
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Microsoft Office
Microsoft Lync
Microsoft Live Meeting
Microsoft Office
Microsoft Lync
Microsoft Live Meeting
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper handling of Office Graphics Library (OGL) fonts by Microsoft Office. A remote attacker can create a specially crafted document containing embedded OGL font, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability results in arbitrary code execution on the vulnerable system.
Remediation
Install update from vendor's website.