TITLE:
Avaya Modular Messaging POP3 Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA18204

VERIFY ADVISORY:
http://secunia.com/advisories/18204/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
Avaya Modular Messaging 2.x
http://secunia.com/product/4484/

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

The vulnerability is caused due to an unspecified error in the POP3
service of the Message Storage Server. This can be exploited to cause
a vulnerable service to enter an infinite loop by sending specially
crafted packets.

Successful exploitation requires that the POP3 service is enabled
(not enabled by default).

The vulnerability has been reported in version 2.0 Service Pack 4 and
prior.

SOLUTION:
Apply patch A1312pt+p.
http://support.avaya.com/elmodocs2/PSN/PSN599u.pdf

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
Avaya:
http://support.avaya.com/elmodocs2/security/ASA-2005-235.pdf

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