Bug 1875223 (CVE-2020-15166)

Summary: CVE-2020-15166 zeromq: unauthenticated clients causing denial-of-service
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: andrewniemants, dbecker, denis.arnaud_fedora, extras-orphan, hvyas, jjoyce, jschluet, lhh, lpeer, mburns, sclewis, security-response-team, slinaber, tomspur
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libzmq 4.3.3 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in ZeroMQ, where the possibility of unauthenticated clients causes a denial of service that affects authenticated and encrypted clients. The highest threat from this vulnerability is to system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-09-08 01:17:45 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: 1876690, 1876691, 1876689, 1878608    
Bug Blocks: 1875227    

Description Dhananjay Arunesh 2020-09-03 04:02:20 UTC
During internal testing of libzmq/zeromq - https://github.com/zeromq/libzmq - the possibility of unauthenticated clients causing a denial-of-service that affects authenticated and encrypted clients was uncovered.

Comment 1 Marian Rehak 2020-09-08 01:03:39 UTC
Created zeromq tracking bugs for this issue:

Affects: epel-all [bug 1876690]
Affects: fedora-all [bug 1876689]


Created zeromq3 tracking bugs for this issue:

Affects: epel-all [bug 1876691]

Comment 2 Product Security DevOps Team 2020-09-08 01:17:45 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-2020-15166

Comment 3 Hardik Vyas 2020-09-08 04:58:10 UTC
External References:

https://github.com/zeromq/libzmq/security/advisories/GHSA-25wp-cf8g-938m

Comment 4 Hardik Vyas 2020-09-08 04:58:13 UTC
Mitigation:

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Comment 5 Marian Rehak 2020-09-14 07:09:01 UTC
Created zeromq tracking bugs for this issue:

Affects: openstack-rdo [bug 1878608]

Comment 9 Hardik Vyas 2020-09-18 11:44:14 UTC
Statement:

Red Hat Ceph Storage 2 is now in Extended Life Support (ELS) Phase of the support and maintenance life cycle and receives only qualified Important and Critical impact security fixes. This issue has been rated as having a security impact of Moderate, and is not currently planed to be addressed in future updates. For additional information, refer to the Red Hat Ceph Storage Life Cycle: https://access.redhat.com/articles/1372203