RealNetworks RealPlayer IERPCtl ActiveX buffer overflow

realplayer-activex-bo (37280) The risk level is classified as HighHigh Risk

Description:

The RealNetworks RealPlayer IERPCtl ActiveX control (ierpplug.dll) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking in the Database Component in MPAMedia.dll. By persuading a victim to visit a specially-crafted Web page using Microsoft Internet Explorer, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 7.3
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

For RealPlayer 10.5 and 11 beta:
Apply the patch for this vulnerability (securitydb.rnx), available from the RealNetworks Web site. See References.

For RealOne Player, RealOne Player v2 and RealPlayer 10:
Upgrade to the latest version of RealPlayer (10.5 or 11 beta) and install the patch for this vulnerability (securitydb.rnx), available from the RealNetworks Web site. See References.

--OR--

As a workaround, set the kill bit on the Class Identifier (CLSID) FDC7A535-4070-4B92-A0EA-D9994BCC0DC5. Refer to Microsoft Knowledge Base Article 240797 for information. See References.

CAUTION: Use Registry Editor at your own risk. Any change using Registry Editor may cause severe and irreparable damage and may require you to reinstall your operating system. Internet Security Systems cannot guarantee that problems caused by the use of Registry Editor can be solved.

References:

Platforms Affected:

  • Real RealPlayer 10.0
  • Real RealPlayer 10.5
  • Real RealPlayer 11 Beta

Reported:

Oct 18, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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