SVG:Advisory-SVG-CVE-2018-1002105

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Advisory-SVG-CVE-2018-1002105

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://wiki.egi.eu/wiki/EGI_CSIRT:TLP for distribution restrictions***                       

URL:   https://wiki.egi.eu/wiki/SVG: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,