Check Point Advisories

Microsoft Windows Embedded OpenType Font Engine LZCOMP Overflow (MS10-001; CVE-2010-0018)

Check Point Reference: CPAI-2010-425
Date Published: 30 May 2010
Severity: High
Last Updated: Monday 28 December, 2015
Source:
Industry Reference:CVE-2010-0018
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Embedded OpenType (EOT) fonts are a compact form of fonts designed for use on web pages. A remote attacker can exploit these vulnerabilities via a specially crafted EOT file. Successful exploitation may allow execution of arbitrary code on a vulnerable system. An integer overflow vulnerability has been reported in Microsoft Windows Embedded OpenType (EOT) Font Engine. The vulnerability is due to insufficient validation while processing an EOT font. A remote attacker can exploit this issue by enticing target users to view a maliciously crafted font in an application that utilizes the affected font engine, such as Internet Explorer and Microsoft Office products. Successful exploitation of this vulnerability would result in arbitrary code execution and may cause the application using the affected font engine would terminate abnormally.

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

  1. In the IPS tab, click Protections and find the Microsoft Windows Embedded OpenType Font Engine LZCOMP Overflow (MS10-001) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Windows embedded OpenType font engine LZCOMP overflow (MS10-001)

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