Main Vulnerability Database Vulnerabilities #VU5662

Improper input validation in Microsoft products - CVE-2015-2455

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

Vulnerability identifier: #VU5662

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-2015-2455

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 .NET Framework
Microsoft Silverlight
Microsoft Office
Microsoft Live Meeting
Microsoft Lync

How to mitigate CVE-2015-2455

Install update from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #1006 - Microsoft Windows - 'win32k.sys' TTF Font Processing IUP[] Program Instruction Pool-Based Buffer Overflow (March 18, 2020)

External References

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