Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS05Y3d2LWNwcHgtbXFqbc0uMA

Improper Authentication in Capsule Proxy

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.

Permalink: https://github.com/advisories/GHSA-9cwv-cppx-mqjm
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS05Y3d2LWNwcHgtbXFqbc0uMA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 2 years ago
Updated: over 1 year ago

CVSS Score: 8.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-9cwv-cppx-mqjm, CVE-2022-23652
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

Repository: https://github.com/clastix/capsule-proxy
Blast Radius: 1.0

Affected Packages