CVE-2016-7075

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

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

CVE-2016-7075

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
By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].

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:*:*:*: