FreeSWITCH Route Header Value Handling DoS

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote SIP service is affected by a denial of service
vulnerability.

Description :

According to its self-reported version, the remote FreeSWITCH install
is affected by a denial of service vulnerability in its Sofia SIP stack.
By sending a specially crafted INVITE request to the SIP service with a
'Route' value containing a long list, it is possible to crash the
service.

See also :

http://jira.freeswitch.org/browse/FS-4627

Solution :

Upgrade to FreeSWITCH 1.3.0 commit
016550f218fb0ea54aa6163d6a6eb7e02539da5e or later.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.8
(CVSS2#E:F/RL:U/RC:ND)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 63203 ()

Bugtraq ID: 55599

CVE ID: