Main Vulnerability Database Vulnerabilities #VU5663

Improper input validation in Microsoft products - CVE-2015-2456

Published: February 8, 2017 / Updated: September 14, 2018

Vulnerability identifier: #VU5663

CSH Severity: High

CVSS v4: 8.6 [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]

CVE-ID: CVE-2015-2456

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper handling of TrueType fonts by Windows Adobe Type Manager Library. A remote attacker can create a specially crafted document containing embedded TrueType 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.

Affected software

Microsoft Windows
Windows Server
Microsoft Silverlight
Microsoft Office
Microsoft Live Meeting
Microsoft Lync

How to mitigate CVE-2015-2456

Install update from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #1007 - Microsoft Windows - 'win32k.sys' TTF Font Processing win32k!scl_ApplyTranslation Pool-Based Buffer Overflow (March 18, 2020)

External References

https://technet.microsoft.com/en-us/library/security/ms15-080.aspx