Bug 1273969 – CVE-2015-5305 Kubernetes: Missing name validation allows path traversal in etcd

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Bug 1273969 - (CVE-2015-5305) CVE-2015-5305 Kubernetes: Missing name validation allows path traversal in etcd

Summary:	CVE-2015-5305 Kubernetes: Missing name validation allows path traversal in etcd

Status:	CLOSED ERRATA

Aliases:	CVE-2015-5305

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

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

URL:
Whiteboard:	impact=moderate,public=20151027,repor...
Keywords:	Security

Depends On:	1273494
Blocks:	1273971
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Reported:	2015-10-21 11:32 EDT by Kurt Seifried
Modified:	2015-11-05 10:18 EST (History)
CC List:	12 users (show)

See Also:
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 16:30:33 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
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-2015:1945	normal	SHIPPED_LIVE	Moderate: kubernetes security update	2015-10-27 18:41:38 EDT

Groups: None (edit)

Description Kurt Seifried 2015-10-21 11:32:41 EDT

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 11:35:22 EDT

Acknowledgement:

This issue was discovered by Jordan Liggitt of Red Hat.

Comment 2 errata-xmlrpc 2015-10-27 14:41:56 EDT

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

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