Check Point Advisories

VLC ParseJSS Null Skip Subtitle Remote Code Execution

Check Point Reference: CPAI-2017-0433
Date Published: 21 May 2017
Severity: Critical
Last Updated: 21 May 2017
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? VLC Media Player
Vulnerability Description A remote code execution vulnerability exists in VLC Subtitles mechanism. The vulnerability is due to the way VLC parses subtitle files. Successful exploitation could result in arbitrary code execution on the client machine.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the VLC ParseJSS Null Skip Subtitle Remote Code Execution protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Media Player Enforcement Violation.
Attack Information:  VLC ParseJSS Null Skip Subtitle Remote Code Execution

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