Vulnerability Details CVE-2022-47633
An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.1%
CVSS Severity
CVSS v3 Score 8.1
References
- https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5
- https://github.com/kyverno/kyverno/pull/5713
- https://github.com/kyverno/kyverno/releases/tag/v1.8.5
- https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm
- https://kyverno.io/docs/writing-policies/verify-images/
- https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5
- https://github.com/kyverno/kyverno/pull/5713
- https://github.com/kyverno/kyverno/releases/tag/v1.8.5
- https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm
- https://kyverno.io/docs/writing-policies/verify-images/