TITLE:
SquirrelMail Three Vulnerabilities

SECUNIA ADVISORY ID:
SA13962

VERIFY ADVISORY:
http://secunia.com/advisories/13962/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

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

DESCRIPTION:
Three vulnerabilities have been reported in SquirrelMail, which can
be exploited by malicious people to gain knowledge of sensitive
information or conduct cross-site scripting attacks.

1) Insufficient sanitation of integer variables in webmail.php can be
exploited to include arbitrary HTML and script code, which will be
executed in a user's browser session in context of an affected site.

The vulnerability affects versions 1.4.0-RC1 through 1.4.4-RC1.

2) Insufficient validation of incoming URL vars in webmail.php can be
exploited to include arbitrary web pages in the SquirrelMail
frameset.

The vulnerability affects versions 1.4.0-RC1 through 1.4.4-RC1.

3) An error in prefs.php can be exploited to include arbitrary code
from local resources via a specially crafted URL.

Successful exploitation requires that register_globals is set to
"On".

The vulnerability affects versions 1.4.3-RC1 through 1.4.4-RC1.

SOLUTION:
Update to version 1.4.4.
http://www.squirrelmail.org/download.php

PROVIDED AND/OR DISCOVERED BY:
1) Reported by vendor.
2) Manoel Zaninetti
3) Jimmy Conner

ORIGINAL ADVISORY:
http://www.squirrelmail.org/security/issue/2005-01-20
http://www.squirrelmail.org/security/issue/2005-01-19
http://www.squirrelmail.org/security/issue/2005-01-14

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