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TITLE:
MailEnable SPF Lookup Denial of Service

SECUNIA ADVISORY ID:
SA21998

VERIFY ADVISORY:
http://secunia.com/advisories/21998/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
MailEnable Enterprise Edition 1.x
http://secunia.com/product/4325/
MailEnable Enterprise Edition 2.x
http://secunia.com/product/10427/
MailEnable Professional 1.x
http://secunia.com/product/3474/
MailEnable Professional 2.x
http://secunia.com/product/10625/
MailEnable Standard 1.x
http://secunia.com/product/3882/

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

The vulnerability is caused due to a NULL pointer dereference error
in the SMTP service when under certain circumstances processing SPF
lookups. This can be exploited by performing an SPF lookup for a
domain with large records.

Successful exploitation crashes the SMTP service.

SOLUTION:
Apply hotfix:
http://www.mailenable.com/hotfix/MESMTPC.ZIP

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

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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:
Secunia recommends that you verify all advisories you receive by
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