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TITLE:
Helpdesk software Hesk Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA16859

VERIFY ADVISORY:
http://secunia.com/advisories/16859/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Exposure of system information

WHERE:
>From remote

SOFTWARE:
Helpdesk software Hesk 0.x
http://secunia.com/product/5634/

DESCRIPTION:
OS2A has reported a vulnerability in Helpdesk software Hesk, which
can be exploited by malicious people to bypass certain security
restrictions.

The problem is that it is possible to bypass the authentication
process and access the administration section by defining the
"PHPSESSID" parameter when accessing "admin.php" and
"admin_main.php".

It is also possible to disclose the full path to certain scripts via
specially crafted input passed in the "PHPSESSID" parameter.

The vulnerability has been reported in version 0.93 and prior.

SOLUTION:
Update to version 0.93.1.
http://www.phpjunkyard.com/download.php?script=hesk

PROVIDED AND/OR DISCOVERED BY:
Rajesh Sethumadhavan, Rahul Mohandas, and Jayesh K.S, OS2A.

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
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