Title: EGI SVG 'ADVISORY' [TLP:WHITE] CRITICAL risk.
Kubernetes privilege escalation vulnerability CVE-2018-1002105
[EGI-SVG-CVE-2018-1002105]
Date: 2018-12-06
Updated:
Affected software and risk
==========================
CRITICAL risk vulnerability concerning Kubernetes
Package : Kubernetes
CVE ID : CVE-2018-1002105
A flaw has been detected in kubernetes which allows privilege escalation.
This access could include access to all secrets, pods, environment variables,
running pod/container processes, and persistent volumes, including access to
sensitive information.
[R 1], [R 2], [R 3]
Actions required/recommended
============================
Any site running Kubernetes should update urgently.
Component installation information
==================================
Sites running Kubernetes through RedHat should see [R 2], [R 3]
Sites running Kubernetes through Ubuntu should see [R 4] (Some still in
needs-triage)
Sites running Kubernetes through Debian should see [R 5] (Not fixed yet)
Mitigation
==========
Mitigation may be possible according to [R 2]. SVG has not looked at this in detail.
TLP and URL
===========
** WHITE information - Unlimited distribution - see
https://go.egi.eu/tlp for distribution restrictions **
URL: https://advisories.egi.eu/Advisory-SVG-CVE-2018-1002105
Minor updates may be made without re-distribution to the sites
Comments
========
Comments or questions should be sent to svg-rat at mailman.egi.eu
If you find or become aware of another vulnerability which is relevant to EGI
you may report it by e-mail to
report-vulnerability at egi.eu
the EGI Software Vulnerability Group will take a look according to the
procedure defined in [R 6]
Note that this has been updated and the latest version approved by the
Operations Management Board in November 2017
References
==========
[R 1] https://github.com/kubernetes/kubernetes/issues/71411
[R 2] https://access.redhat.com/security/vulnerabilities/3716411
[R 3] https://access.redhat.com/security/cve/cve-2018-1002105
[R 4] http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-1002105.html
[R 5] https://security-tracker.debian.org/tracker/CVE-2018-1002105 >
[R 6] https://documents.egi.eu/public/ShowDocument?docid=3145
Credit
======
SVG was alerted to this vulnerability by Mischa Salle
Timeline
========
Yyyy-mm-dd [EGI-SVG-2018-CVE-2018-1002105]
2018-12-04 SVG alerted to this issue by Mischa Salle
2018-12-05 Acknowledgement from the EGI SVG to the reporter
2018-12-05 Investigation of vulnerability and relevance to EGI carried out
2018-12-05 EGI SVG Risk Assessment completed
2018-12-06 Advisory sent to sites and VO security contacts
Context
=======
This advisory has been prepared as part of the effort to fulfil EGI SVG's
purpose "To minimize the risk to the EGI infrastructure arising from software
vulnerabilities"
The risk is that assessed by the group, according to the EGI SVG issue handling
procedure [R 6] in the context of how the software is used in the EGI
infrastructure. It is the opinion of the group, we do not guarantee it to be
correct. The risk may also be higher or lower in other deployments depending on
how the software is used.
Others may re-use this information provided they:-
1) Respect the provided TLP classification
2) Credit the EGI https://www.egi.eu/ Software Vulnerability Group
On behalf of the EGI SVG,