CVE-2020-7378 PoC — CRIXP OpenCRX Unverified Password Change

Source

https://github.com/ruthvikvegunta/openCRX-CVE-2020-7378

Associated Vulnerability

Title:CRIXP OpenCRX Unverified Password Change (CVE-2020-7378)
Description:CRIXP OpenCRX version 4.30 and 5.0-20200717 and prior suffers from an unverified password change vulnerability. An attacker who is able to connect to the affected OpenCRX instance can change the password of any user, including admin-Standard, to any chosen value. This issue was resolved in version 5.0-20200904, released September 4, 2020.

Description

Exploits Password Reset Vulnerability in OpenCRX, CVE-2020-7378. Also maintains Stealth by deleting all the password reset mails created by the script

Readme

# openCRX-CVE-2020-7378 (Unauthenticated Account Take Over)
Exploits Password Reset Vulnerability in OpenCRX, CVE-2020-7378.

## A Stealthy Python Implentation for CVE-2020-7378

### Exploit is because, the developers used Random Class from java.util.Random to generate random tokens in order to reset a users password
### Instead they should be using the SecureRandom Class from java.security.SecureRandom to generate random tokens

#### Tested on v4.2.0, but should also work for other versions reported in the disclosure report of CVE-2020-7378
# Usage
`./openCRXreset.py -u <URL> -user <USERNAME> -pass <PASSWORD>`

  ![](https://github.com/ruthvikvegunta/openCRX-CVE-2020-7378/blob/main/images/help.png)

# Features
- Uses python rich library to display a robust output

  ![](https://github.com/ruthvikvegunta/openCRX-CVE-2020-7378/blob/main/images/inital-run.png)

- Deletes all the temporarily created files locally as part of the script

- Deletes **only the password reset mails** generated by the script in order to maintain stealth 

  ![](https://github.com/ruthvikvegunta/openCRX-CVE-2020-7378/blob/main/images/final.png)

File Snapshot


 [4.0K]  /data/pocs/71ff4839afe2634e3483bc987440fdf61f5661d3
├── [4.0K]  images
│   ├── [206K]  final.png
│   ├── [ 89K]  help.png
│   └── [126K]  inital-run.png
├── [1.0K]  LICENSE
├── [8.9K]  openCRXreset.py
├── [ 796]  openCRXtimeGen.java
└── [1.1K]  README.md

1 directory, 7 files

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