RealPlayer/RealOne "DUNZIP32.dll" Buffer Overflow Vulnerability

Wednesday, October 27 2004 @ 04:20 PM EDT

eEye Digital Security has reported a vulnerability in RealPlayer and RealOne, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in a 3rd-party compression library (DUNZIP32.dll) when processing skin files. This can be exploited to cause a buffer overflow via a specially crafted skin file.

Successful exploitation allows execution of arbitrary code.

The vulnerability affects the following versions:
* RealPlayer 10.5 (prior to build 6.0.12.1056)
* RealPlayer 10
* RealOne Player v2
* RealOne Player v1

SOFTWARE:
RealOne Player v1
RealOne Player v2
RealPlayer 10.x

SOLUTION:
Fixes are available via the "Check for Update" feature.

PROVIDED AND/OR DISCOVERED BY:
eEye Digital Security

ORIGINAL ADVISORY:

RealNetworks:
http://www.service.real.com/help/faq/security/041026_player/EN/

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