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Insecure Library Loading
Highly critical

Netscape "navigatorurl" URI Handler Registration Vulnerability

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Release Date:  2007-07-18    Last Update:  2007-10-18    Views:  11,643

Secunia Advisory SA26082

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A vulnerability has been discovered in Netscape, which can be exploited by malicious people to compromise a user's system.

The problem is that Netscape registers the "navigatorurl://" URI handler and allows invoking Netscape with arbitrary command line arguments. Using e.g. the "-chrome" parameter it is possible to execute arbitrary Javascript in chrome context. This can be exploited to execute arbitrary commands e.g. when a user visits a malicious web site using Microsoft Internet Explorer.

This vulnerability is related to:
SA25984

The vulnerability is confirmed in version 9.0b2. Other versions may also be affected.


Solution:
Update to version 9.0:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Billy (BK) Rios, Nate Mcfeters, and Raghav "the Pope" Dube

Original Advisory:
http://www.xs-sniper.com/sniperscope/IE-Pwns-Firefox.html

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: Netscape "navigatorurl" URI Handler Registration Vulnerability

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