Advisory Details

January 21st, 2010

RealNetworks RealPlayer SMIL getAtom Remote Code Execution Vulnerability

ZDI-10-007
ZDI-CAN-286

CVE ID CVE-2009-4257
CVSS SCORE 10.0, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS RealNetworks
AFFECTED PRODUCTS RealPlayer
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5907. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows 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 or open a malicious file.

The specific flaw exists within the smlrender.dll library responsible for parsing SMIL files. A lack of proper string length checks can result in the overflow of a static heap buffer. Exploitation of this overflow can lead to arbitrary code execution under the context of the user running the process.

ADDITIONAL DETAILS RealNetworks has issued an update to correct this vulnerability. More details can be found at:
http://service.real.com/realplayer/security/01192010_player/en/
DISCLOSURE TIMELINE
  • 2008-02-07 - Vulnerability reported to vendor
  • 2010-01-21 - Coordinated public release of advisory
CREDIT Anonymous
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