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Insecure Library Loading
Not critical

Internet Explorer/Outlook Express Restricted Zone Status Bar Spoofing

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Release Date:  2004-04-01    Last Update:  2004-12-07    Views:  62,689

Secunia Advisory SA11273

Where:

From remote

Impact:

Security Bypass

Solution Status:

Unpatched

CVE Reference(s):

Description


http-equiv has discovered a weakness in Internet Explorer, which potentially can be exploited by malicious people to trick users into visiting a malicious website.

It is normally possible for script code to manipulate information displayed in the status bar. However, an error in Internet Explorer allows manipulation of the status bar without using any script code. This can be exploited by embedding a specially crafted form in a link.

Example:
<A HREF="http://[trusted_site]/">
<FORM action=http://[malicious_site]/ method=get>
<INPUT style="BORDER-RIGHT: 0pt; BORDER-TOP: 0pt; FONT-SIZE: 10pt;
BORDER-LEFT: 0pt; CURSOR: hand; COLOR: blue; BORDER-BOTTOM: 0pt;
BACKGROUND-COLOR: transparent; TEXT-DECORATION: underline"
type=submit value=http://[trusted_site]/>
</A>

This also affects Outlook Express as it uses the same HTML rendering functionality as Internet Explorer. Outlook Express users may especially trust information displayed in the status bar since HTML documents are viewed in context of the "Restricted" zone, which has scripting support disabled.

Successful exploitation may result in a user being tricked into visiting a malicious website by following a specially crafted link.

The problem has been confirmed in versions 5.01 and 6. Version 5.5 is likely also affected.


Solution:
Never follow links from untrusted sources.

Provided and/or discovered by:
http-equiv, malware.com.

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Internet Explorer/Outlook Express Restricted Zone Status Bar Spoofing

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