High severity · published Sep 10, 2018
CVE-2016-7075
It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509 client intermediate certificate host name fields
8.1
CVSS
1.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KU
Kubernetes · Kubernetes
All versions, or not specified · source: NVD
OP
Openshift · Redhat
3.1; 3.2; 3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7075
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7075
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:2064
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7075
Exploit
https://github.com/kubernetes/kubernetes/issues/34517
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