This script is Copyright (C) 2014-2017 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 denial of
service vulnerability in the ReceiveFax Dialplan application. This is
due to a flaw in the 'res_fax_spandsp' module, which is caused by the
improper handling of out-of-call messages. By using a specially
crafted request, a remote attacker could exploit this to crash the
Note that Nessus has not tested for this issue but has instead relied
only on the application's self-reported version number.
See also :
Upgrade to Asterisk 11.12.1 / 12.5.1 / 11.6-cert6 or apply the
appropriate patch listed in the Asterisk advisory.
Risk factor :
Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.8
Public Exploit Available : true