http://www.zerodayinitiative.com/advisories/ZDI-08-046

ZDI-08-046: RealNetworks RealPlayer Library File Deletion Stack Overflow
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-046
July 25, 2008

– CVE ID:
ZDI-CAN-231

– Affected Vendors:
RealNetworks

– Affected Products:
RealNetworks RealPlayer

– TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5734.
For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

– Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
systems with vulnerable installations of the 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 in RealPlayer's rjbdll.dll module when handling
the deletion of media library files. An attacker could exploit this
vulnerability using an ActiveX control
{FDC7A535-4070-4B92-A0EA-D9994BCC0DC5} to import a vulnerable file into
the user's media library. Upon deletion of this file, an exploitable
stack based buffer overflow can be triggered.

– Vendor Response:
RealNetworks has issued an update to correct this vulnerability. More
details can be found at:

http://service.real.com/realplayer/security/07252008_player/en/

– Disclosure Timeline:
2007-11-02 - Vulnerability reported to vendor
2008-07-25 - Coordinated public release of advisory

– Credit:
This vulnerability was discovered by:
* Anonymous

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