Check Point Advisories

Realplayer vidplin.dll AVI Header Parsing Code Execution - Ver2 (CVE-2010-4393)

Check Point Reference: CPAI-2014-1356
Date Published: 16 Apr 2014
Severity: High
Last Updated: Wednesday 16 April, 2014
Source: CVE-2010-4393
Industry Reference:CVE-2010-4393
Protection Provided by:

Security Gateway
R77, R76, R75
Who is Vulnerable?
Vulnerability Description RealPlayer is a media player developed by RealNetworks Inc. It is capable of playing back numerous formats of multimedia files. AVI (Audio Video Interleave) is one of the video formats that is supported by RealPlayer. This file format links the audio part and the video part together and can be encoded using a wide selection of codecs. RealPlayer uses a plugin library called the video renderer, vidplin.dll, to parse AVI video files. A buffer overflow vulnerability has been reported in RealNetworks's Realplayer. The vulnerability is due to an error within vidplin.dll that fails to sufficiently verify user supplied data while parsing stream headers is an AVI file. A remote attacker may exploit this issue by enticing a target user to open a specially crafted AVI file. Successful exploitation of this vulnerability would allow an attacker to execute arbitrary code on the vulnerable system and could cause an abnormal termination of the affected product.

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,
Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Realplayer vidplin.dll AVI Header Parsing Code Execution - Ver2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Media Player Enforcement Violation.
Attack Information:  Realplayer vidplin.dll AVI Header Parsing Code Execution - Ver2

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