This script is Copyright (C) 2012-2016 Tenable Network Security, Inc.
The remote Fedora host is missing a security update.
The Asterisk Development Team has announced security releases for
Certified Asterisk 1.8.11 and Asterisk 1.8 and 10. The available
security releases are released as versions 1.8.11-cert4, 184.108.40.206,
10.5.2, and 10.5.2-digiumphones.
These releases are available for immediate download at
The release of Asterisk 1.8.11-cert4, 220.127.116.11, 10.5.2, and
10.5.2-digiumphones resolve the following two issues :
- If Asterisk sends a re-invite and an endpoint responds
to the re-invite with a provisional response but never
sends a final response, then the SIP dialog structure is
never freed and the RTP ports for the call are never
released. If an attacker has the ability to place a
call, they could create a denial of service by using all
available RTP ports.
- If a single voicemail account is manipulated by two
parties simultaneously, a condition can occur where
memory is freed twice causing a crash.
These issues and their resolution are described in the security
For more information about the details of these vulnerabilities,
please read security advisories AST-2012-010 and AST-2012-011, which
were released at the same time as this announcement.
For a full list of changes in the current releases, please see the
The security advisories are available at :
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
See also :
Update the affected asterisk package.
Risk factor :
Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.5
Public Exploit Available : false