AOH :: HP Unsorted T :: TB11591.HTM

TippingPoint detection bypass



TippingPoint detection bypass
TippingPoint detection bypass



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(The following advisory is also available in PDF format for download at:
http://www.cybsec.com/vuln/CYBSEC-Security_Pre-Advisory_3Com_TippingPoint_IPS_Detection_Bypass_2.pdf 
)
 
 
CYBSEC S.A.
www.cybsec.com 
 
 
Pre-Advisory Name: TippingPoint detection bypass
================= 
Vulnerability Class: Design flaw
=================== 
Release Date: 2007-07-04
============ 
Affected Platforms:
==================* TippingPoint IPS running TOS versions 2.1.x, 2.2.x prior to 2.2.5,
and 2.5.x prior to 2.5.2
 
Local / Remote: Remote
============== 
Severity: High
======== 
Author:  Andres Riancho
====== 
Vendor Status:
=============* Confirmed, updates released.
 
Reference to Vulnerability Disclosure Policy:
============================================http://www.cybsec.com/vulnerability_policy.pdf 
 
Product Overview:
================"The TippingPoint Intrusion Prevention System (IPS) is an
award-winning security solution that blocks worms,
viruses, Trojans, Denial of Service and Distributed Denial of Service
attacks, Spyware, VoIP threats, and
Peer-to-Peer threats. Inspecting traffic through Layer 7, the IPS
blocks malicious traffic before damage occurs."
 
Vulnerability Description:
=========================When IP packets are fragmented in a special way, the appliance fails
to correctly reassemble the data stream.
 
Technical Details:
=================Technical details will be released 30 days after publication of this
pre-advisory.
This was agreed upon with TippingPoint to allow their customers to
upgrade affected software prior to technical
knowledge been publicly available.
 
Impact:
======Exploiting this vulnerability, an attacker would be able to bypass all
filters and detection.
 
Solutions:
=========TippingPoint has released a new version of the TippingPoint OS to
address this vulnerability. Customers
should apply the new firmware immediately. More information can be
found at
http://www.3com.com/securityalert/alerts/3COM-07-002.html 
 
 
Vendor Response:
===============* 2006-02-06: Initial Vendor Contact.
* 2006-06-20: Vendor Confirmed Vulnerability.
* 2007-07-04: Vendor Releases Update.
 
 
Contact Information:
===================For more information regarding the vulnerability feel free to contact
the author at ariancho {at} cybsec.com.
 
For more information regarding CYBSEC: www.cybsec.com 
(c) 2006 - CYBSEC S.A. Security Systems

- --
- ----------------------------
Andres Riancho
CYBSEC S.A. Security Systems
E-mail: ariancho@cybsec.com 
PGP key: http://www.cybsec.com/pgp/ariancho.txt 
Tel/Fax: [54 11] 4371-4444
Web: http://www.cybsec.com 
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