This script is Copyright (C) 2001-2014 Tenable Network Security, Inc.
The remote SMTP server has a buffer overflow vulnerability.
It was possible to make the remote mail server crash when issuing a
very long argument to the EXPN command. A remote attacker could
exploit this flaw to crash the service, or possibly execute arbitrary
See also :
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Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 7.1
Public Exploit Available : true