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...
Alias: CVE-2016-5392
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1355715 1355915
Blocks: 1356225
TreeView+ depends on / blocked
Reported: 2016-07-13 15:47 UTC by Kurt Seifried
Modified: 2021-10-21 00:53 UTC (History)
10 users (show)

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.
Clone Of:
Last Closed: 2021-10-21 00:53:45 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:1427 0 normal SHIPPED_LIVE Important: atomic-openshift security and bug fix update 2016-07-14 19:56:53 UTC

Description Kurt Seifried 2016-07-13 15:47:14 UTC
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 15:47:22 UTC

Name: Yanping Zhang (Red Hat)

Comment 2 Yanping Zhang 2016-07-14 08:13:44 UTC
This issue has been fixed according to bug 1355915

Comment 3 errata-xmlrpc 2016-07-14 15:57:14 UTC
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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