SH39 MailServer port 25 denial of service

sh39-mailserver-dos (8379) The risk level is classified as MediumMedium Risk


MailServer is vulnerable to a denial of service attack caused by a buffer overflow. By establishing a Telnet connection to port 25 and sending an overly long string containing 2500 characters or more, a remote attacker can overflow a buffer and cause the mail server to crash.


Denial of Service


Upgrade to the latest version of MailServer (1.22 or later), available from the SH39 Web site. See References.


Platforms Affected:

  • SH39 SH39 MailServer 1.21


Mar 05, 2002

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