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TITLE:
Thunderbird Command Line URL Shell Command Injection

SECUNIA ADVISORY ID:
SA16901

VERIFY ADVISORY:
http://secunia.com/advisories/16901/

CRITICAL:
Extremely critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Mozilla Thunderbird 1.x
http://secunia.com/product/4652/

DESCRIPTION:
A vulnerability has been discovered in Thunderbird, 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
Thunderbird is 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 with the "mailto:" URI handler in an
external application which uses Thunderbird as the default mail
reader (e.g. Firefox on Fedora Core 4).

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

This is related to:
SA16869

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

SOLUTION:
Do not use Thunderbird as the default mail reader.

ORIGINAL ADVISORY:
https://bugzilla.mozilla.org/show_bug.cgi?id=307185

OTHER REFERENCES:
SA16869:
http://secunia.com/advisories/16869/

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About:
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everybody keeping their systems up to date against the latest
vulnerabilities.

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