This script is Copyright (C) 2011-2014 Tenable Network Security, Inc.
The version of Asterisk installed on the remote host may be affected
by a denial of service vulnerability.
According to the version in its SIP banner, the version of Asterisk
running on the remote host is 1.8.x prior to 18.104.22.168. It, therefore,
could be affected by a denial of service vulnerability.
If a remote attacker initiates a SIP call and the recipient picks up,
the remote user can reply with a malformed Contact header that will
cause Asterisk to crash.
See also :
Upgrade to Asterisk 22.214.171.124 or later.
Risk factor :
Low / CVSS Base Score : 3.5
CVSS Temporal Score : 2.6
Public Exploit Available : false