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Firefox Command Line URL Shell Command Injection
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Secunia Advisory:
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SA16869
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Release Date:
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2005-09-20
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Last Update:
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2005-09-26
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Popularity:
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73,852 views
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Critical:
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Extremely critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Mozilla Firefox 1.x
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| CVE reference: | CVE-2005-2968
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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.
http://www.mozilla.org/products/firefox/
Provided and/or discovered by:
Peter Zelezny
Changelog:
2005-09-21: Updated "Solution" section.
2005-09-23: Added link to MFSA 2005-59.
2005-09-26: Added link to US-CERT vulnerability note.
Original Advisory:
http://www.mozilla.org/security/announce/mfsa2005-59.html
Other References:
US-CERT VU#914681:
http://www.kb.cert.org/vuls/id/914681
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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