Check Point Advisories

Microsoft Windows Uniscribe Integer Underflow (MS15-130: CVE-2015-6130)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-1370
Date Published:	8 Dec 2015
Severity:	Critical
Last Updated:	Thursday 09 June, 2016
Source:	Microsoft MS15-130
Industry Reference:	CVE-2015-6130
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows 7 for 32-bit 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 Itanium-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1
Vulnerability Description	An integer underflow vulnerability exists in Microsoft Windows Uniscribe. The vulnerability is due to an improper alignment of table offsets leading to an integer underflow. A remote attacker can exploit this vulnerability by enticing the target to open a specially crafted ttf file. Successful exploitation would remote code execution.
Update/Patch Avaliable	Apply patches from: MS15-130

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Windows Uniscribe Integer Underflow (MS15-130: CVE-2015-6130) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Content Protection Violation.
Attack Information: Microsoft Windows Uniscribe Integer Underflow (MS15-130: CVE-2015-6130)