kubernetes/client-go · Security
Kubernetes client-go vulnerable to Sensitive Information Leak via Log File
- GHSA ID
- GHSA-8cfg-vx93-jvxw
- CVE ID
- CVE-2020-8565
- Severity
- medium
- Published
- Updated
- CVSS
- 4.7 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 4.7 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.5, <= v1.18.13, <= v1.17.15, < v1.20.0-alpha2.
CWEs
- CWE-532 · Insertion of Sensitive Information into Log File
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-8565 ↗
- https://github.com/kubernetes/kubernetes/issues/95623 ↗
- https://github.com/kubernetes/kubernetes/pull/95316 ↗
- https://github.com/kubernetes/kubernetes/commit/e99df0e5a75eb6e86123b56d53e9b7ca0fd00419 ↗
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ ↗
- https://pkg.go.dev/vuln/GO-2021-0064 ↗
- https://github.com/kubernetes/client-go/commit/19875a3d5a2e0d4f51c976a9e0662de3c2c011e3 ↗
- https://github.com/kubernetes/client-go/commit/1b8383fc150c9b816b0072032cca75754c2734d0 ↗
- https://github.com/kubernetes/client-go/commit/44e1a07f2d513e375c4b6ee6e890040b47befe86 ↗
- https://github.com/kubernetes/client-go/commit/e8f871a2e5fadf90fc114565abc0963967f1a373 ↗
- https://github.com/advisories/GHSA-8cfg-vx93-jvxw ↗