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This script is Copyright (C) 2011-2016 Tenable Network Security, Inc.
A telephony application running on the remote host is affected by an
information disclosure vulnerability.
According to the version in its SIP banner, the version of Asterisk
running on the remote host allows a remote attacker to enumerate valid
users by sending malformed SIP INVITE and REGISTER requests.
See also :
Update to Asterisk 22.214.171.124 / 126.96.36.199.2 / 188.8.131.52 / C.3.7.3 or
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.8
Public Exploit Available : true
Nessus Plugin ID: 56921 ()
Bugtraq ID: 476764800848485
CVE ID: CVE-2011-2536CVE-2011-2666
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