Check Point Advisories

VideoLan VLC Media Player ParseJSS Heap Buffer Overflow (CVE-2017-8311)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0516
Date Published:	19 Jun 2017
Severity:	Medium
Last Updated:	Tuesday 20 June, 2017
Source:
Industry Reference:	CVE-2017-8311
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	VideoLAN VLC Media Player prior to 2.2.5.1
Vulnerability Description	A heap-based buffer overflow exists in VLC Media Player. The vulnerability is due to improper handling of certain directives in JACOsub subtitle files. A remote attacker could exploit this vulnerability by enticing a victim user to open a maliciously crafted subtitle file.

Protection Overview

This protection detects 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 VideoLan VLC Media Player ParseJSS Heap 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: Media Player Enforcement Violation.
Attack Information: VideoLan VLC Media Player ParseJSS Heap Buffer Overflow