Advisory Details

December 10th, 2010

RealNetworks RealPlayer Media Properties Header Parsing Remote Code Execution Vulnerability

ZDI-10-268
ZDI-CAN-434

CVE ID CVE-2010-4384
CVSS SCORE 9, (AV:N/AC:L/Au:N/C:P/I:P/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 6853. 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 when parsing a RealMedia file containing a malformed Media Properties Header (MDPR). The application explicitly trusts an index in this data structure which is used to seek into an array of objects. If an attacker can allocate controlled data at some point after this array, an attacker can then get their fabricated object to get called leading to code execution under the context of the current user.

ADDITIONAL DETAILS RealNetworks has issued an update to correct this vulnerability. More details can be found at:
http://service.real.com/realplayer/security/12102010_player/en/
DISCLOSURE TIMELINE
  • 2009-02-24 - Vulnerability reported to vendor
  • 2010-12-10 - Coordinated public release of advisory
CREDIT Anonymous
Hossein Lotfi
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