CVE-2022-47633
HIGH severity · CVSS 8.1 · Improper authentication
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5 ↗
Additional information
- NVD record
- https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5Patch
- https://github.com/kyverno/kyverno/pull/5713Patch
- https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvmPatch
- https://github.com/kyverno/kyverno/releases/tag/v1.8.5Advisory
- https://kyverno.io/docs/writing-policies/verify-images/