CVE-2016-7075

Published on: 09/10/2018 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:06 PM UTC

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Kubernetes from Kubernetes contain the following vulnerability:

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.

  • CVE-2016-7075 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo Red Hat - OpenShift version n/a

CVSS3 Score: 8.1 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
1384112 – (CVE-2016-7075) CVE-2016-7075 OpenShift 3: API server does not validate client-provided intermediate certificates correctly Issue Tracking
Third Party Advisory
bugzilla.redhat.com
text/html
URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075
Client certificate auth is using the subject CN from the intermediate CA cert, not from the end entity cert · Issue #34517 · kubernetes/kubernetes · GitHub Exploit
Patch
Third Party Advisory
github.com
text/html
URL Logo CONFIRM github.com/kubernetes/kubernetes/issues/34517
Red Hat Customer Portal Third Party Advisory
access.redhat.com
text/html
URL Logo REDHAT RHSA-2016:2064

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationKubernetesKubernetes-AllAllAll
ApplicationKubernetesKubernetes-AllAllAll
ApplicationRedhatOpenshift3.1AllAllAll
ApplicationRedhatOpenshift3.2AllAllAll
ApplicationRedhatOpenshift3.3AllAllAll
ApplicationRedhatOpenshift3.1AllAllAll
ApplicationRedhatOpenshift3.2AllAllAll
ApplicationRedhatOpenshift3.3AllAllAll
  • cpe:2.3:a:kubernetes:kubernetes:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:kubernetes:kubernetes:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.2:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.3:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.2:*:*:*:enterprise:*:*:*:
  • cpe:2.3:a:redhat:openshift:3.3:*:*:*:enterprise:*:*:*: