eStara SoftPhone SIP Packet SDP Data attribute Field Overflow

This script is Copyright (C) 2006-2011 Tenable Network Security, Inc.


Synopsis :

The remote SIP client is prone to a buffer overflow attack.

Description :

The version of SoftPhone installed on the remote host reportedly fails
to properly handle SIP packets with long 'a=' lines in the SDP data.
An unauthenticated, remote attacker may be able to exploit this flaw to
overflow a buffer and execute arbitrary code on the remote host.

See also :

http://www.securityfocus.com/archive/1/archive/1/421596/100/0/threaded

Solution :

Upgrade to eStara SoftPhone version 3.0.1.47 or later.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 7.1
(CVSS2#E:F/RL:U/RC:C)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 20958 (estara_softphone_30147.nasl)

Bugtraq ID: 16213

CVE ID: CVE-2006-0189