https://github.com/mbadanoiu/cve-2021-42559

CVE-2021-42559: Command Injection via Configurations in MITRE Caldera
https://github.com/mbadanoiu/cve-2021-42559

0-day authenticated cve cve-2021-42559 cves remote-code-execution

Last synced: 2 days ago
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CVE-2021-42559: Command Injection via Configurations in MITRE Caldera

• Host: GitHub
• URL: https://github.com/mbadanoiu/cve-2021-42559
• Owner: mbadanoiu
• Created: 2024-06-09T21:07:16.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-06-09T21:13:51.000Z (5 months ago)
• Last Synced: 2024-06-09T23:27:27.046Z (5 months ago)
• Topics: 0-day, authenticated, cve, cve-2021-42559, cves, remote-code-execution
• Homepage:
• Size: 332 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CVE-2021-42559: Command Injection via Configurations in MITRE Caldera

Caldera (versions <=2.8.1) contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the Rest API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.




### Vendor Disclosure:

The vendor's disclosure for this vulnerability can be found [here](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42559).

### Requirements:

This vulnerability requires:




- Valid user credentials

- Waiting for the Caldera application to be restarted

### Proof Of Concept:

More details and the exploitation process can be found in this [PDF](https://github.com/mbadanoiu/CVE-2021-42559/blob/main/Caldera%20-%20CVE-2021-42559.pdf).