Bug 1879743 (CVE-2019-11777)

Summary:	CVE-2019-11777 org.eclipse.paho.client.mqttv3: Improper hostname validation in the MQTT library
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aileenc, chazlett, drieden, extras-orphan, ggaughan, gmalinko, janstey, java-sig-commits, jochrist, jwon, puntogil
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Eclipse Paho Java Client version 1.2.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-12-16 16:19:26 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:
Bug Blocks:	1879744

Description Pedro Sampaio 2020-09-16 21:13:35 UTC

In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information.

Upstream bug:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934

Upstream issue:

https://github.com/eclipse/paho.mqtt.java/issues/506

Upstream patch:

https://github.com/CVEProject/cvelist/pull/2537

Comment 2 Ted Jongseok Won 2020-09-17 09:51:06 UTC

This vulnerability is out of security support scope for the following product:
 * Red Hat JBoss Fuse 6

Please refer to https://access.redhat.com/support/policy/updates/jboss_notes for more details.

Comment 5 errata-xmlrpc 2020-12-16 12:15:40 UTC

This issue has been addressed in the following products:

  Red Hat Fuse 7.8.0

Via RHSA-2020:5568 https://access.redhat.com/errata/RHSA-2020:5568

Comment 6 Product Security DevOps Team 2020-12-16 16:19:26 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-2019-11777