clastix/capsule-proxy · Security
Improper Authentication in Capsule Proxy
- GHSA ID
- GHSA-9cwv-cppx-mqjm
- CVE ID
- CVE-2022-23652
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Impact
Using a malicious Connection header, an attacker with a proper authentication mechanism could start a privilege escalation towards the Kubernetes API Server, being able to exploit the cluster-admin Role bound to capsule-proxy.
Patches
Patch has been merged in the v0.2.1 release.
Workarounds
Upgrading is mandatory.
CWEs
- CWE-287 · Improper Authentication
References
- https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm ↗
- https://nvd.nist.gov/vuln/detail/CVE-2022-23652 ↗
- https://github.com/clastix/capsule-proxy/issues/188 ↗
- https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 ↗
- https://github.com/advisories/GHSA-9cwv-cppx-mqjm ↗