Bug 1716286 (CVE-2019-10153)

Summary:	CVE-2019-10153 fence-agents: mis-handling of non-ASCII characters in guest comment fields
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	cfeist, cluster-maint, mgrac, oalbrigt
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	fence-agents 4.3.4	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was discovered in fence-agents, prior to version 4.3.4, where using non-ASCII characters in a guest VM's comment or other fields would cause fence_rhevm to exit with an exception. In cluster environments, this could lead to preventing automated recovery or otherwise denying service to clusters of which that VM is a member.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 19:21:06 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:	1716704, 1716705, 1716706
Bug Blocks:	1699243

Description Doran Moppert 2019-06-03 07:19:34 UTC

It was discovered that in fence-agents prior to 4.3.4, including non-ASCII characters in a guest VM's comment or other fields would cause fence_rhevm to exit with an exception.  In cluster environments, this could lead to preventing automated recovery or otherwise denying service to clusters of which that VM is a member.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1670460

Upstream fix:

https://github.com/ClusterLabs/fence-agents/pull/255
https://github.com/ClusterLabs/fence-agents/pull/272

Comment 2 Doran Moppert 2019-06-04 01:05:52 UTC

Created fence-agents tracking bugs for this issue:

Affects: fedora-all [bug 1716706]

Comment 4 Marian Rehak 2019-06-04 14:45:58 UTC

Acknowledgments:

Name: Sandro Emma (Deutsche Börse AG), Jens Kühnel (Deutsche Börse AG)

Comment 5 errata-xmlrpc 2019-08-06 12:05:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2037 https://access.redhat.com/errata/RHSA-2019:2037

Comment 6 Product Security DevOps Team 2019-08-06 19:21:06 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-10153