Application Logic Error in DT Centrepiece

2010-08-08T00:00:00
ID SECURITYVULNS:DOC:24400
Type securityvulns
Reporter Securityvulns
Modified 2010-08-08T00:00:00

Description

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