From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed May 28 2008 - 13:24:05 CDT

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TITLE:
spamdyke "smtp_filter()" DATA Command Relay Vulnerability

SECUNIA ADVISORY ID:
SA30408

VERIFY ADVISORY:
http://secunia.com/advisories/30408/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
From remote

SOFTWARE:
spamdyke 3.x
http://secunia.com/product/18825/

DESCRIPTION:
A vulnerability has been reported in spamdyke, which can be exploited
by malicious people to bypass certain security restrictions.

The vulnerability is caused due to "smtp_filter()" not properly
restricting the DATA command if no valid recipient was specified.
This can be exploited to e.g. abuse a spamdyke installation as open
mail relay by sending a certain sequence of recipient data and DATA
commands.

The vulnerability is reported in versions prior to 3.1.8.

SOLUTION:
Update to version 3.1.8.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Mirko Buffoni.

ORIGINAL ADVISORY:
http://www.spamdyke.org/documentation/Changelog.txt

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