This script is Copyright (C) 2012-2016 Tenable Network Security, Inc.
A telephony application running on the remote host is 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 potentially affected by a vulnerability
that could allow a remote attacker to crash the server. This issue
could be exploited by sending an UPDATE over a SIP channel after the
channel dialog has been destroyed, but before the SIP dialog
associated with the call has been destroyed.
Only servers that have 'trustrpid' set to 'True' are affected.
See also :
Upgrade to Asterisk 220.127.116.11 / 10.3.1 / C.3.7.4 or apply the patches
listed in the Asterisk advisory. Alternatively, set 'trustrpid' to
Risk factor :
Low / CVSS Base Score : 3.5
CVSS Temporal Score : 2.6
Public Exploit Available : false