Sendmail < 8.9.3 Header Parsing Redirection DoS
Medium Nessus Network Monitor Plugin ID 2012
SynopsisThe remote host is vulnerable to a Denial of Service (DoS) attack.
DescriptionThe remote Sendmail server has a flaw in the way it processes the headers of messages. An attacker may exploit this flaw to force this server to fail by sending an e-mail with a large number of headers.
SolutionUpgrade to Sendmail 8.9.3 or higher.