[NEWS] More Vulnerabilities with Pingtel Xpressa SIP-based IP Phones

From: support@securiteam.com
Date: 08/21/02

From: support@securiteam.com
To: list@securiteam.com
Date: Wed, 21 Aug 2002 18:21:48 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  More Vulnerabilities with Pingtel Xpressa SIP-based IP Phones


 <http://www.pingtel.com> Pingtel develops intelligent Java-based
voice-over-IP phones and soft phones for service providers and

Using the vulnerabilities enumerated within this advisory it is possible
to jeopardize critical telephony infrastructure based on Pingtel's Xpressa
SIP-based IP phones and soft phones. Additionally, certain vulnerabilities
allow an attacker to take complete control over an IP Phone or a soft
phone node either directly or by circumventing other SIP entities on the
network by abusing the 'node's credentials'.

The most severe issue discussed is the way an attacker can exploit
vulnerabilities with <http://my.pingtel.com> MyPingtel Portal to subvert
a VoIP infrastructure which includes IP Phones and/or softphones from


Vulnerable systems:
 * Pingtel Xpressa SIP IP phones model PX-1 with software version 2.0.1
and below
 * Pingtel instant Xpressa soft phones with software version 2.0.1 and


The full vulnerability description and background information can be found
<http://www.sys-security.com/archive/advisories/html/More_Vulnerabilities_with_Pingtel_xpressa_Phones.htm> http://www.sys-security.com/archive/advisories/html/More_Vulnerabilities_with_Pingtel_xpressa_Phones.htm

The information has been provided by <mailto:ofir@sys-security.com> Ofir


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