Bug 1356195 – CVE-2016-5392 Kubernetes: disclosure of information in multi tenant environments via watch-cache list

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Bug 1356195 - (CVE-2016-5392) CVE-2016-5392 Kubernetes: disclosure of information in multi tenant environments via watch-cache list

Summary:	CVE-2016-5392 Kubernetes: disclosure of information in multi tenant environme...

Status:	NEW

Aliases:	CVE-2016-5392

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	high Severity high
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=important,public=20160714,repo...
Keywords:	Security

Depends On:	1355715 1355915
Blocks:	1356225
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Reported:	2016-07-13 11:47 EDT by Kurt Seifried
Modified:	2018-08-31 17:38 EDT (History)
CC List:	11 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:	The Kubernetes API server contains a watch cache that speeds up performance. Due to an input validation error OpenShift Enterprise may return data for other users and projects when queried by a user. An attacker with knowledge of other project names could use this vulnerability to view their information.
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Last Closed:
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CRM:
Verified Versions:
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2016:1427	normal	SHIPPED_LIVE	Important: atomic-openshift security and bug fix update	2016-07-14 15:56:53 EDT

Groups: None (edit)

Description Kurt Seifried 2016-07-13 11:47:14 EDT

Yanping Zhang of Red Hat reports:

It is possible for one user to view another users data due to the kubernetes watch cache delivering the wrong data in a multi tenant environment.

Comment 1 Kurt Seifried 2016-07-13 11:47:22 EDT

Acknowledgments:

Name: Yanping Zhang (Red Hat)

Comment 2 Yanping Zhang 2016-07-14 04:13:44 EDT

This issue has been fixed according to bug 1355915

Comment 3 errata-xmlrpc 2016-07-14 11:57:14 EDT

This issue has been addressed in the following products:

  Red Hat OpenShift Enterprise 3.2

Via RHSA-2016:1427 https://access.redhat.com/errata/RHSA-2016:1427

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