Improper Certificate Validation Affecting kubernetes package, versions <1.5.5+dfsg-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-KUBERNETES-269168
- published27 Jun 2018
- disclosed10 Sept 2018
Introduced: 27 Jun 2018
CVE-2016-7075 (opens in a new tab)How to fix?
Upgrade Debian:unstable kubernetes to version 1.5.5+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kubernetes package and not the kubernetes package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509 client intermediate certificate host name fields. An attacker could use this flaw to bypass authentication requirements by using a specially crafted X.509 certificate.
References
- https://security-tracker.debian.org/tracker/CVE-2016-7075
- https://github.com/kubernetes/kubernetes/issues/34517
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075
- https://access.redhat.com/errata/RHSA-2016:2064
- https://access.redhat.com/security/cve/CVE-2016-7075
- https://bugzilla.redhat.com/show_bug.cgi?id=1384112