RealNetworks RealPlayer Multiple Protocol Handlers Remote Code Execution Vulnerability

October 15th, 2010
ZDI-10-213 ZDI-CAN-724

CVE ID

CVE-2010-3751

CVSS Score

9.0 AV:N/AC:L/Au:N/C:P/I:P/A:C

Affected Vendors

RealNetworks

Affected Products

RealPlayer

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks RealPlayer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists within the RealPlayer ActiveX control. This module is responsible for handling the tfile, pnmm, cdda, protocol handlers. While parsing a long argument ending with ".smil" an attacker can overflow a buffer on the heap. This can be abused to execute arbitrary code under the context of the user invoking the control.

Additional Details

RealNetworks has issued an update to correct this vulnerability. More details can be found at:
http://service.real.com/realplayer/security/10152010_player/en/

Disclosure Timeline

  • 2010-06-02 - Vulnerability reported to vendor
  • 2010-10-15 - Coordinated public release of advisory

Credit

Anonymous

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