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Internet Explorer for Mac Dialog Origin Spoofing Vulnerability
Secunia Advisory: SA15492
Release Date: 2005-06-21
Last Update: 2006-01-31
Popularity: 19,513 views

Critical:
Less critical
Impact: Spoofing
Where: From remote
Solution Status: Unpatched

Software:Internet Explorer 5.x for Mac

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CVE reference:CVE-2005-2274


Description:
Secunia Research has discovered a vulnerability in Internet Explorer for Mac, which can be exploited by malicious web sites to spoof dialog boxes.

The problem is that JavaScript dialog boxes do not display or include their origin, which allows a new window to open e.g. a prompt dialog box, which appears to be from a trusted site.

Successful exploitation normally requires that a user is tricked into opening a link from a malicious web site to a trusted web site.

Secunia has constructed a test, which can be used to check if your browser is affected by this issue:
http://secunia.com/multiple_browsers_dialog_origin_vulnerability_test/

The vulnerability has been confirmed in version 5.2.3. Prior versions may also be affected.

Solution:
Do not browse untrusted web sites while browsing trusted sites.

Provided and/or discovered by:
Jakob Balle, Secunia Research

Changelog:
2005-06-22: Added link to vendor response.
2006-01-31: Added CVE reference.

Original Advisory:
Microsoft:
http://www.microsoft.com/technet/security/advisory/902333.mspx


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