GHSA-9cwv-cppx-mqjm
Improper Authentication in Capsule Proxy
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/clastix/capsule-proxy | < 0.2.1 | 0.2.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### 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.
References
External links from the advisory. They lead to third-party sites.
- 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/clastix/capsule-proxy