CVE-2021-43798 PoC — Grafana path traversal

Source

https://github.com/mauricelambert/LabAutomationCVE-2021-43798

Associated Vulnerability

Title:Grafana path traversal (CVE-2021-43798)
Description:Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.

Description

This script implements a lab automation where I exploit CVE-2021-43798 to steal user secrets and then gain privileges on a Linux system.

Readme

# LabAutomationCVE-2021-43798

I make a script for pentest automation where i exploit CVE-2021-43798 (a path traversal on Grafana) to steal user secrets (SSH key) and then gain privileges on a Linux system (using SUID).

I automate this lab to share the pentest methodology.

File Snapshot

Remarks

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