Vulnerability Details CVE-2020-36911
Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.2%
CVSS Severity
CVSS v3 Score 9.8
References
- https://cobbr.io/Covenant.html
- https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
- https://github.com/cobbr/Covenant
- https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344
- https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
- https://www.exploit-db.com/exploits/51141
- https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce
- https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
- https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters