Asterisk SIP Channel Driver Username Disclosure (AST-2013-003)

This script is Copyright (C) 2013-2016 Tenable Network Security, Inc.

Synopsis :

A telephony application running on the remote host is affected by an
information disclosure vulnerability.

Description :

According to the version in its SIP banner, the version of Asterisk
running on the remote host is potentially affected by a username
disclosure vulnerability related to INVITE, SUBSCRIBE and REGISTER
transactions and improper settings for the configuration options
'alwaysauthreject', 'allowguest' and 'autocreatepeer'.

See also :

Solution :

Upgrade to Asterisk / 10.12.2 / 11.2.2 / Certified Asterisk
1.8.15-cert2 / Asterisk Business Edition C.3.8.1, or apply the
appropriate patch listed in the Asterisk advisory.

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 3.7
Public Exploit Available : false

Family: Misc.

Nessus Plugin ID: 65898 ()

Bugtraq ID: 58764

CVE ID: CVE-2013-2264

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