Vulnerability Description
knative.dev/func is is a client library and CLI enabling the development and deployment of Kubernetes functions. Developers using a malicious or compromised third-party buildpack could expose their registry credentials or local docker socket to a malicious `lifecycle` container. This issues has been patched in PR #1442, and is part of release 1.8.1. This issue only affects users who are using function buildpacks from third-parties; pinning the builder image to a specific content-hash with a valid `lifecycle` image will also mitigate the attack.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Knative Func | < 1.8.1 |
Related Weaknesses (CWE)
References
- https://github.com/knative/func/blob/5ca77d38744d3481cc0b795f607c5859b19588fc/buThird Party Advisory
- https://github.com/knative/func/pull/1442PatchThird Party Advisory
- https://github.com/knative/func/releases/tag/knative-v1.8.1Release NotesThird Party Advisory
- https://github.com/knative/func/security/advisories/GHSA-5336-2g3f-9g3mExploitPatchThird Party Advisory
- https://github.com/knative/func/blob/5ca77d38744d3481cc0b795f607c5859b19588fc/buThird Party Advisory
- https://github.com/knative/func/pull/1442PatchThird Party Advisory
- https://github.com/knative/func/releases/tag/knative-v1.8.1Release NotesThird Party Advisory
- https://github.com/knative/func/security/advisories/GHSA-5336-2g3f-9g3mExploitPatchThird Party Advisory
FAQ
What is CVE-2022-41939?
CVE-2022-41939 is a vulnerability with a CVSS score of 6.1 (MEDIUM). knative.dev/func is is a client library and CLI enabling the development and deployment of Kubernetes functions. Developers using a malicious or compromised third-party buildpack could expose their re...
How severe is CVE-2022-41939?
CVE-2022-41939 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-41939?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Knative Func.