bugtraq - Application Logic Error in DT Centrepiece

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <201008051355.o75DtYNT089205@htbridge.ch>
Date: Thu, 5 Aug 2010 15:55:34 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: Application Logic Error in DT Centrepiece

Vulnerability ID: HTB22523
Reference: http://www.htbridge.ch/advisory/application_logic_error_in_dt_centrepiece_1.html
Product: DT Centrepiece
Vendor: DT Services ( http://www.dt.net.nz/ ) 
Vulnerable Version: 4.5 and Probably Prior Versions
Vendor Notification: 22 July 2010 
Vulnerability Type: Application Logic Error  in the Authentication Mechanism
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: High 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

Vulnerability Details:
The user can get access to the account of an arbitrary user.
When a user logs in, the remember password system puts predictable data in the cookie.


An attacker can use browser to exploit this vulnerability. The following PoC is available:

Just put this values in cookie:

MM_Remember_Username=USERNAME