[SA21454] phPay Open Mail Relay Vulnerability

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TITLE:
phPay Open Mail Relay Vulnerability

SECUNIA ADVISORY ID:
SA21454

VERIFY ADVISORY:
http://secunia.com/advisories/21454/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
phPay 2.x
http://secunia.com/product/1452/

DESCRIPTION:
beford has discovered a vulnerability in phPay, which can be
exploited by malicious people to use it as open mail relay.

The vulnerability is caused due to insufficient prevention of direct
access to the nu_mail.inc.php file. This can be exploited to send
arbitrary emails via direct GET requests to the script.

The vulnerability has been confirmed in version 2.02.1. Other
versions may also be affected.

SOLUTION:
Edit the source code to prevent direct access.

PROVIDED AND/OR DISCOVERED BY:
beford

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