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Netscape Apple Java Plugin Tab Spoofing Vulnerability
Secunia Advisory: SA12392
Release Date: 2004-08-27
Last Update: 2005-02-28
Popularity: 27,031 views

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

OS:Apple Macintosh OS X

Software:Netscape 7.x

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CVE reference:CVE-2004-1753


Description:
J. Courcoul has discovered a vulnerability in Netscape, which can be exploited by malicious people to conduct phishing attacks.

The problem is caused due to errors in the displaying of Java applets in a window when multiple tabs are used. This can be exploited to spoof the content of a HTML document from another HTML document being in a different tab.

It has been reported that this issue relates to a known behaviour in Apple's implementation of Java. Therefore, only applications using the Apple Java plugin is affected by this vulnerability.

The vulnerability has been confirmed in Netscape 7.2 on Mac OS X 10.3.5. Other versions may also be affected.

Solution:
Disable Java support.

Open untrusted sites in separate windows.

Provided and/or discovered by:
J. Courcoul

Changelog:
2004-08-30: Changed "Solution" section. Added note about Apple Java implementation. Added Bugzilla reference.
2005-02-28: Added CVE reference.

Other References:
Bugzilla reference:
http://bugzilla.mozilla.org/show_bug.cgi?id=162134


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