CVE-2021-43798 PoC — Grafana path traversal

Source

https://github.com/wagneralves/CVE-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

Directory Traversal and Arbitrary File Read on Grafana

Readme

# CVE-2021-43798
Directory Traversal and Arbitrary File Read on Grafana

Authors:<br>
Wagner Alves - Red Team Analyst<br>

This exploit leverages Directory Traversal and Arbitrary File Read vulnerabilities in Grafana 8.0 - 8.3, allowing it to read files such as /etc/passwd, /etc/hosts, /home/user/.ssh/id_rsa, /etc/os-release, and other interesting files.



## Installation

```
git clone https://github.com/wagneralves/CVE-2021-43798.git
cd CVE-2021-43798
chmod +x ExploitGrafana.sh
```


## Usage

```
ex: ./ExploitGrafana.sh -h http://domain.xpto:3000 -f /etc/passwd
```


<div align="center">
  <img src="https://github.com/wagneralves/CVE-2021-43798/assets/5523049/4fb6fde7-538e-451b-bd21-2181ab2e1475" width="1080px" />
</div>
<br>

```
ex: ./ExploitGrafana.sh -h http://domain.xpto:3000 -f /home/user/.ssh/id_rsa
```


<div align="center">
  <img src="https://github.com/wagneralves/CVE-2021-43798/assets/5523049/33dc3a9c-8458-43c6-b38d-d68bbaaaab01" width="1080px" />
</div>
<br>


```
ex: ./ExploitGrafana.sh -h http://domain.xpto:3000 -f /home/user/.ssh/id_rsa
```


<div align="center">
  <img src="https://github.com/wagneralves/CVE-2021-43798/assets/5523049/93172c6f-a85a-4472-a606-3e6fb6f3bf6a" width="1080px" />
</div>
<br>

File Snapshot


 [4.0K]  /data/pocs/05e49065836e8a5ee91fcf2d33cdb1ad5ce17ee8
├── [2.4K]  ExploitGrafana.sh
└── [1.2K]  README.md

0 directories, 2 files

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