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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
MailEnable SMTP Service EXPN/VRFY Denial of Service

SECUNIA ADVISORY ID:
SA29300

VERIFY ADVISORY:
http://secunia.com/advisories/29300/

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 Enterprise Edition 3.x
http://secunia.com/product/17903/
MailEnable Professional 1.x
http://secunia.com/product/3474/
MailEnable Professional 2.x
http://secunia.com/product/10625/
MailEnable Professional 3.x
http://secunia.com/product/17904/
MailEnable Standard 1.x
http://secunia.com/product/3882/

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

The vulnerability is caused due to an unspecified error within the
SMTP service when handling EXPN or VRFY commands. This can be
exploited to cause the service to crash via a specially crafted EXPN
or VRFY command.

The vulnerability reportedly affects all versions.

SOLUTION:
Apply hotfix (ME-10039).
http://www.mailenable.com/hotfix/ME-10039.EXE

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

ORIGINAL ADVISORY:
http://www.mailenable.com/hotfix/

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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:
http://secunia.com/secunia_security_advisories/

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


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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