https://github.com/mbadanoiu/cve-2021-42561

CVE-2021-42561: Command Injection via the Human Plugin in MITRE Caldera
https://github.com/mbadanoiu/cve-2021-42561

0-day authenticated cve cve-2021-42561 cves remote-code-execution

Last synced: 2 days ago
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CVE-2021-42561: Command Injection via the Human Plugin in MITRE Caldera

• Host: GitHub
• URL: https://github.com/mbadanoiu/cve-2021-42561
• Owner: mbadanoiu
• Created: 2024-06-09T22:39:46.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-06-09T22:42:48.000Z (5 months ago)
• Last Synced: 2024-06-10T00:44:04.384Z (5 months ago)
• Topics: 0-day, authenticated, cve, cve-2021-42561, cves, remote-code-execution
• Homepage:
• Size: 2.17 MB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CVE-2021-42561: Command Injection via the Human Plugin in MITRE Caldera

In Caldera (versions <=2.8.1) the Human plugin passes the unsanitized name parameter to a python "os.system" function. This allow attackers to use shell metacharacters (e.g. backticks "``" or dollar parenthesis "$()" ) in order to escape the current command and execute arbitrary shell commands. 

### Vendor Disclosure:

The vendor's disclosure for this vulnerability can be found [here](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42561).

### Requirements:

This vulnerability requires:




- Valid user credentials

### Proof Of Concept:

More details and the exploitation process can be found in this [PDF](https://github.com/mbadanoiu/CVE-2021-42561/blob/main/Caldera%20-%20CVE-2021-42561.pdf).