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Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

Try it out online:
http://secunia.com/software_inspector/

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TITLE:
MailEnable NTLM Authentication Denial of Service

SECUNIA ADVISORY ID:
SA24139

VERIFY ADVISORY:
http://secunia.com/advisories/24139/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
MailEnable Enterprise Edition 2.x
http://secunia.com/product/10427/
MailEnable Professional 2.x
http://secunia.com/product/10625/

DESCRIPTION:
mu-b has discovered a vulnerability in MailEnable, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within
"NTLM_UnPack_Type3()" (MENTLM.DLL) when processing NTLM
authentication data. This can be exploited e.g. to crash the IMAP or
POP service via a specially crafted series of commands and data.

The vulnerability is confirmed in MailEnable Professional version
2.35. Other versions may also be affected.

SOLUTION:
Update to version 2.351 or later.

PROVIDED AND/OR DISCOVERED BY:
mu-b

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052427.html

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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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