Threat Level: green Handler on Duty: Brad Duncan

SANS ISC: Possible New Zero-Day Exploit for Realplayer - SANS Internet Storm Center SANS ISC InfoSec Forums

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Possible New Zero-Day Exploit for Realplayer
FrSIRT is reporting a zero day exploit against client side Realplayer and Helix Player.  This exploit takes advantage of a format string error which can be exploit by using specially crafted ".rp" (relpix) or ".rt" (realtext) files.  The affected versions are

Helix Player 1.0.5 Gold and prior (Linux)
RealPlayer 10.0.5 Gold and prior (Linux)

There is no known fix at this time. has not posted information on this yet. 

Blake Hartstein from posted the following to Bleeding-Snort yesterday which should provide
coverage for this issue:

(msg:"BLEEDING-EDGE RealPlayer/Helix Player Format String Exploit";
flow:established,from_server; content:"
reference:url,; reference:bugtraq,14945; )

Stay tuned for further updates as we have them.


165 Posts
ISC Handler
Sep 27th 2005

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