Check Point Advisories

RealNetworks RealPlayer RealMedia Security Bypass (CVE-2005-2055)

Check Point Reference: CPAI-2005-192
Date Published: 4 Jan 2010
Severity: Medium
Last Updated: Monday 04 January, 2010
Source:
Industry Reference:CVE-2005-2055
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description RealPlayer is a media player produced by RealNetworks, Inc. that supports a variety of open and proprietary multimedia stream and file formats. Versions of RealPlayer are available for most common platforms such as Windows, Linux, Solaris, etc. A vulnerability exists in the way that RealNetworks line of RealPlayer products handle clip-encoded URLs. A malicious website can load a local HTML document in the local zone security context by using a specially crafted RealMedia file. An attacker exploiting this flaw can bypass certain security restrictions. In a successful attack case, the built-in browser of the vulnerable RealPlayer will open the local file referenced in the malicious RealMedia file. The behavior of the target system is entirely dependent on the intended purpose of the code embedded in the malicious local file. In addition, system's behavior is also dependent on the version of the Windows operating system.

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 RealNetworks RealPlayer RealMedia Security Bypass 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:  RealNetworks RealPlayer RealMedia security bypass

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