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TITLE:
MailScanner "Clean()" Infinite Loop Vulnerability

SECUNIA ADVISORY ID:
SA32915

VERIFY ADVISORY:
http://secunia.com/advisories/32915/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
MailScanner 4.x
http://secunia.com/advisories/product/4185/

DESCRIPTION:
A vulnerability has been reported in MailScanner, which potentially
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error within the "Clean()"
function in Message.pm. This can be exploited to trigger the
execution of an infinite loop via a specially crafted email message
and e.g. consume large amounts of CPU.

NOTE: A successful exploitation will not result in the immediate
inability to process email.

The vulnerability is reported in versions prior to 4.73.3-1.

SOLUTION:
Fixed in beta version 4.73.3-1.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://mailscanner.info/index.html
http://www.mailscanner.info/ChangeLog

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