Bug 1273969 (CVE-2015-5305)

Summary:	CVE-2015-5305 Kubernetes: Missing name validation allows path traversal in etcd
Product:	[Other] Security Response	Reporter:	Kurt Seifried <kseifried>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bleanhar, ccoleman, dmcphers, jdetiber, jialiu, jkeck, jokerman, jrusnack, kseifried, lmeyer, mmccomas, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	Kubernetes fails to validate object name types before passing the data to etcd. As the etcd service generates keys based on the object name type this can lead to a directory path traversal.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-10-27 20:30:33 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1273494
Bug Blocks:	1273971

Description Kurt Seifried 2015-10-21 15:32:41 UTC

Jordan Liggitt of Red Hat reports:

No validation is performed on the names of some object types. Because the etcd 
key is built directly from the object name, this allows path traversal when 
writing data.

Comment 1 Kurt Seifried 2015-10-21 15:35:22 UTC

Acknowledgement:

This issue was discovered by Jordan Liggitt of Red Hat.

Comment 2 errata-xmlrpc 2015-10-27 18:41:56 UTC

This issue has been addressed in the following products:

  RHEL 7 Version of OpenShift Enterprise 3.0

Via RHSA-2015:1945 https://access.redhat.com/errata/RHSA-2015:1945