full-disclosure - Yahoo! JukeBox MediaGrid ActiveX Control AddBitmap() Buffer Overflow

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Message-Id: <20080203231124.F0DCA15803D@mailserver6.hushmail.com>
Date: Sun, 03 Feb 2008 23:11:24 +0000
From: "Elazar Broad" <elazar@...hmail.com>
To: <full-disclosure@...ts.grok.org.uk>
Cc: 
Subject: Yahoo! JukeBox MediaGrid ActiveX Control
	AddBitmap() Buffer Overflow

Who:
Yahoo!
http://www.yahoo.com

What:
mediagrid.dll version 2.2.2.56
{22FD7C0A-850C-4A53-9821-0B0915C96139}
Implements IObjectSafety

This control is used with the Yahoo! JukeBox application.

How:
The 2nd parameter of the AddBitmap() method is vulnerable to a 
buffer overflow.

Fix:
No official fix known

Workaround:
Set the killbit for this control, see 
http://support.microsoft.com/kb/240797

Exploit:
http://milw0rm.com/exploits/5052

--
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Elazar

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