Multiple vulnerabilities in Kubernetes

Published: 2016-02-03 | Updated: 2020-08-09

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-1906 CVE-2016-1905
CWE-ID	CWE-264 CWE-284
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Kubernetes Server applications / Frameworks for developing and running applications
Vendor	Kubernetes

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU40500

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-1906

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Openshift allows remote attackers to gain privileges by updating a build configuration that was created with an allowed type to a type that is not allowed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Kubernetes: All versions

CPE2.3

cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2016:0070
https://access.redhat.com/errata/RHSA-2016:0351
https://github.com/openshift/origin/issues/6556
https://github.com/openshift/origin/pull/6576

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU40501

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-1905

CWE-ID: CWE-284 - Improper Access Control