Check Point Advisories

Kingsoft Writer Font Names Buffer Overflow (CVE-2013-3934)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-3751
Date Published:	22 Dec 2013
Severity:	High
Last Updated:	Tuesday 14 October, 2014
Source:
Industry Reference:	CVE-2013-3934
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A code execution vulnerability has been reported in Kingsoft Writer. The vulnerability is due to an error while handling font names in WPS or Office word files. A remote attacker can exploit this vulnerability by enticing an unsuspecting user to download and process a malicious file with a vulnerable version of the application.

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 Kingsoft Writer Font Names Buffer Overflow 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: Kingsoft Writer Font Names Buffer Overflow