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TITLE:
Squirrelmail plugin.php Local File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA20406

VERIFY ADVISORY:
http://secunia.com/advisories/20406/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
SquirrelMail 1.x
http://secunia.com/product/288/

DESCRIPTION:
Junker Broke has reported a vulnerability in Squirrelmail, which can
be exploited by malicious people to disclose certain sensitive
information.

Input passed to the "plugins[]" parameter in functions/plugin.php is
not properly sanitised before being used to include files. This can
be exploited to include arbitrary files from local resources.

Successful exploitation requires that "register_globals" is enabled
and "magic_quotes_gpc" is disabled.

The vulnerability has been reported in version 1.4.6 and prior.

SOLUTION:
Apply patch (see vendor advisory).

PROVIDED AND/OR DISCOVERED BY:
Junker Broke

ORIGINAL ADVISORY:
http://www.squirrelmail.org/security/issue/2006-06-01

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