Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6 and below do not safeguard against unauthenticated certificate issuance through the SCEP UpdateReq. This issue has been fixed in version 0.30.0.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
References 3
https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41…
security-advisories@github.com
https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7
security-advisories@github.com
https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56…
security-advisories@github.com