bugtraq - Microsoft Internet Explorer - Crash on JavaScript "window()"-calling (05/28/2005)

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Date: Sat, 28 May 2005 16:24:26 +0200
From: "Benjamin Tobias Franz" <0-1-2-3@....de>
To: <bugtraq@...urityfocus.com>
Subject: Microsoft Internet Explorer - Crash on JavaScript "window()"-calling (05/28/2005)

Microsoft Internet Explorer - Crash on JavaScript "window()"-calling
(05/28/2005)

Description:
There is a bug in Microsoft Internet Explorer, which causes a crash in it.
The bug occurs, because Microsoft Internet Explorer can't handle a call to a
JavaScript-function with the name of the "window"-object.
The bug was fixed in an earlier version. But it works again.

Affected software:
Microsoft Internet Explorer

Workaround:
Deactivate "Active Scripting" in the IE options menu.

Proof-of-Concept exploit:
<body onLoad="window()">

Date of discovery:
11. September 2003

Tested software:
Microsoft Internet Explorer 6 SP2 (6.0.2900.2180.xpsp_sp2_gdr.050301-1519)
on a fully patched Windows XP SP2 system.

DLL versions:
MSHTML.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)
BROWSEUI.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)
SHDOCVW.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)
SHLWAPI.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)
URLMON.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)
WININET.DLL: 6.00.2900.2627 (xpsp_sp2_gdr.050309-1648)

Regards,

Benjamin Tobias Franz
Germany