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MailEnable IMAP Service Remote DoS

Medium

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote host is running a version of MailEnable's IMAP service that is prone to a remote Denial of Service (DoS) attack. Specifically, an attacker requesting a nonexistent mailbox can crash the service. An attacker exploiting this flaw would need to be able to authenticate with some valid user account. Following successful authentication, the attacker would request a nonexistent mailbox. Successful exploitation leads to a loss of availability.

Solution

Upgrade to MailEnable Professional 1.7.1 or higher or to MailEnable Enterprise Edition 1.2 or higher.