CVE-2024-29895 PoC — Cacti command injection in cmd_realtime.php

Source

https://github.com/Stuub/CVE-2024-29895-CactiRCE-PoC

Associated Vulnerability

Title: Cacti command injection in cmd_realtime.php (CVE-2024-29895)
Description:Cacti provides an operational monitoring and fault management framework. A command injection vulnerability on the 1.3.x DEV branch allows any unauthenticated user to execute arbitrary command on the server when `register_argc_argv` option of PHP is `On`. In `cmd_realtime.php` line 119, the `$poller_id` used as part of the command execution is sourced from `$_SERVER['argv']`, which can be controlled by URL when `register_argc_argv` option of PHP is `On`. And this option is `On` by default in many environments such as the main PHP Docker image for PHP. Commit 53e8014d1f082034e0646edc6286cde3800c683d contains a patch for the issue, but this commit was reverted in commit 99633903cad0de5ace636249de16f77e57a3c8fc.

Description

CVE-2024-29895 PoC - Exploiting remote command execution in Cacti servers using the 1.3.X DEV branch builds

Readme

## Cacti RCE - CVE-2024-29895

![image](https://github.com/Stuub/CVE-2024-29895-CactiRCE-PoC/assets/60468836/04ffb7ff-cf58-47be-90d7-d0422e4cb100)

## Usage:

`python3 cve-2024-29895.py -u https://target.com/ -c id`

Affecting Cacti versions 1.3.X on DEV builds where `cmd_realtime.php` is present and `POLLER_ID` is enabled.

Command Injection is possible via this endpoint, by requesting via GET with payload as HTML Query Parameters

## Dork:
Google: `inurl:cmd_realtime.php`

Shodan: `Cacti`

Hunter.how: `/product.name="Cacti"`

FOFA: `app="Cacti-Monitoring"`

## Version Checking

![image](https://github.com/Stuub/CVE-2024-29895-CactiRCE-PoC/assets/60468836/992fb9e6-426a-452c-b168-aa6e10303bc9)

## Disclaimer

Please exercise caution when using this PoC. It has been strictly developed to serve as a tool automate the validation of the vulnerability.
Any misuse caused is at your own responsibility.

File Snapshot

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