CVE-2022-23131 PoC — Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configure

Source

https://github.com/random-robbie/cve-2022-23131-exp

Associated Vulnerability

Title:Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configured SAML (CVE-2022-23131)
Description:In the case of instances where the SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor, because a user login stored in the session was not verified. Malicious unauthenticated actor may exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack, SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account, which is disabled by default).

Description

Zabbix SSO Bypass

Readme

# Zabbix SSO Auth Bypass CVE-2022-23131

```
usage: zabbix_session_exp.py [-h] [-t TARGET] [-u USERNAME] [-p PROXY] [-f FILES]

optional arguments:
  -h, --help            show this help message and exit
  -t TARGET, --target TARGET
                        Zabbix Server
  -u USERNAME, --username USERNAME
                        Zabbix Admin User
  -p PROXY, --proxy PROXY
                        Proxy for debugging
  -f FILES, --files FILES
                        Files of URLS of Zabbix Servers to Test
  
 ```
 
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File Snapshot


 [4.0K]  /data/pocs/1ef317525a9970ffec9872bf0a779b1b034f2f39
├── [ 782]  README.md
└── [3.2K]  zabbix.py

0 directories, 2 files

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