bugtraq - Portcullis Advisory 05-007 Update, Webseries Payment Application

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Date: Wed, 2 Feb 2005 18:08:56 -0000
From: "Paul J Docherty" <PJD@...tcullis-security.com>
To: "bugs" <bugs@...uritytracker.com>,
	"Bugtraq" <bugtraq@...urityfocus.com>, "secunia" <vuln@...unia.com>
Subject: Portcullis Advisory 05-007  Update, Webseries Payment Application

Portcullis Security Advisory

AREAS UPDATED: VENDOR RESPONSE.

VENDOR RESPONSE:

The product vendor, Bottomline Technologies has provided Portcullis with
the following response to the security advisory. It should be noted that
the resolution of this issue has not been verified by Portcullis:

Bottomline believe that this is a low priority, conceptual threat only
and as such may be addressed as an enhancement in later releases of the
product. 

Contact Bottomline at: support@...tomline.co.uk  Tel: +44 (0)1189
258253.

Vulnerable System: 

Webseries Payment Application

Vulnerability Title:  

Password Policy Implemented At Client rather than Server

Vulnerability discovery and development: 

Portcullis Security Testing Services

Affected systems: 

Bottomline Webseries Payment Application 

Details:

The password policy, enforcing the minimum length of passwords, is
implemented in the client browser using JavaScript which can be bypassed
using any local proxy system, allowing for single character passwords.

Impact:

Whilst client side data validation can be of assistance in aiding a user
to correctly enter the required information, client side scripts can be
easily by-passed in a number of ways.  This allows a user to set their
password to a value not acceptable to the implemented security policy.

Exploit:

Exploit code not required.

Copyright: 

Copyright (c) Portcullis Computer Security Limited 2005, All rights
reserved worldwide. Permission is hereby granted for the electronic
redistribution of this information. It is not to be edited or altered in
any way without the express written consent of Portcullis Computer
Security Limited.

Disclaimer: 

The information herein contained may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There
are NO warranties, implied or otherwise, with regard to this information
or its use. Any use of this information is at the user's risk. In no
event shall the author/distributor (Portcullis Computer Security
Limited) be held liable for any damages whatsoever arising out of or in
connection with the use or spread of this information.

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