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Insecure Library Loading
Extremely critical

Firefox Command Line URL Shell Command Injection

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Release Date:  2005-09-20    Last Update:  2005-09-26    Views:  96,821

Secunia Advisory SA16869

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Peter Zelezny has discovered a vulnerability in Firefox, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the shell script used to launch Firefox parsing shell commands that are enclosed within backticks in the URL provided via the command line. This can e.g. be exploited to execute arbitrary shell commands by tricking a user into following a malicious link in an external application which uses Firefox as the default browser (e.g. the mail client Evolution on Red Hat Enterprise Linux 4).

This vulnerability can only be exploited on Unix / Linux based environments.

The vulnerability has been confirmed in version 1.0.6 on Fedora Core 4 and Red Hat Enterprise Linux 4. Other versions and platforms may also be affected.


Solution:
Update to version 1.0.7.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Peter Zelezny

Original Advisory:
http://www.mozilla.org/security/announce/mfsa2005-59.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: Firefox Command Line URL Shell Command Injection

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