Bug 1660413 (CVE-2018-20145)

Summary: CVE-2018-20145 mosquitto: Possible ACL bypass
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: linville, mail, richmattes
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: mosquitto 1.5.5 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-01-22 09:43:50 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: 1660414, 1660415    
Bug Blocks:    

Description Andrej Nemec 2018-12-18 09:57:54 UTC
Eclipse Mosquitto 1.5.x before 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.

Upstream issue:

https://github.com/eclipse/mosquitto/issues/1073

Upstream patch:

https://github.com/eclipse/mosquitto/commit/9097577b49b7fdcf45d30975976dd93808ccc0c4

Comment 1 Andrej Nemec 2018-12-18 09:58:10 UTC
Created mosquitto tracking bugs for this issue:

Affects: epel-7 [bug 1660415]
Affects: fedora-all [bug 1660414]