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TITLE:
hMailServer IMAP Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA31480

VERIFY ADVISORY:
http://secunia.com/advisories/31480/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
hMailServer 4.x
http://secunia.com/product/19559/

DESCRIPTION:
João Antunes has reported a vulnerability in hMailServer, which can
be exploited by malicious users to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the IMAP server
and can be exploited to cause a crash via an overly large number of
IMAP commands.

The vulnerability is reported in version 4.4.1. Other versions may
also be affected.

SOLUTION:
Fixed in development version 4.4.2 (build 279).

PROVIDED AND/OR DISCOVERED BY:
João Antunes

ORIGINAL ADVISORY:
http://www.hmailserver.com/forum/viewtopic.php?f=4&t=12787

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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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