Microsoft Internet Explorer Lets Remote Users Spoof the Status Bar Address with a Table Within a Link
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SecurityTracker Alert ID: 1011987 |
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SecurityTracker URL: http://securitytracker.com/id/1011987
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Updated: Oct 31 2004
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Original Entry Date: Oct 29 2004
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Impact:
Modification of system information
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Exploit Included: Yes
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Version(s): 6.0 (6.0.2800.1106)
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Description:
A vulnerability was reported in Microsoft Internet Explorer (IE). A remote user can spoof URL addresses in the status bar.
Benjamin Tobias Franz reported that a remote user can create HTML with a link that will show an arbitrary URL in the status window when the target user places the mouse over the link.
Some demonstration exploit code is provided.
<a href="http://www.microsoft.com/"><table><tr><td><a
href="http://www.google.com/">Click here</td></tr></table></a>
Version 6.0.2800.1106 is affected. Microsoft Outlook Express is also affected.
Thor Larholm of PivX Solutions reports that this is not a vulnerability, as the ability to modify the status bar is a design feature of many browsers. The modification can be implemented via the 'window.status' property.
[Editor's note: We could not reproduce this on version 6.0.2900.2180 (XP SP2 fully patched).]
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Impact:
A remote user can create HTML that will spoof URL addresses in the status bar when the target user places the mouse over the spoofed link.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.microsoft.com/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Thu, 28 Oct 2004 23:38:16 +0200
Subject: New URL spoofing bug in Microsoft Internet Explorer
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New URL spoofing bug in Microsoft Internet Explorer
There is a security bug in Internet Explorer 6.0.2800.1106 (fully patched),
which allowes to show any faked target-address in the status bar of the
window.
The example below will display a faked URL ("http://www.microsoft.com/") in
the status bar of the window, if you move your mouse over the link. Click
on the link and IE will go to "http://www.google.com/" and NOT to
"http://www.microsoft.com/" .
<a href="http://www.microsoft.com/"><table><tr><td><a
href="http://www.google.com/">Click here</td></tr></table></a>
Description: Microsoft Internet Explorer can't handle links surrounded by a
table and an other link correct.
The bug can be exploited using HTML mail message too.
Affected software: Microsoft Internet Explorer, Microsoft Outlook Express,
...
Workaround: Don't click on non-trusted links. Or right-click on links to
see the real target. Or use Copy-and-Paste.
Regards,
Benjamin Tobias Franz
Germany
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