CVE-2019-11250GHSA-JMRX-5G74-6V2FGO-2021-0065
Kubernetes client-go logs authorization headers at debug verbosity levels
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 0.17.0, 1.16.0-beta.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.
Timeline
- CVE published
- Record last updated
Affected versions
- Kubernetes Kubernetes
prior to 1.16
- k8s.io/client-goGo
fixed in 0.17.0
- k8s.io/kubernetesGo
fixed in 1.16.0-beta.1