Bug 1875223 (CVE-2020-15166) - CVE-2020-15166 zeromq: unauthenticated clients causing denial-of-service
Summary: CVE-2020-15166 zeromq: unauthenticated clients causing denial-of-service
Alias: CVE-2020-15166
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1876690 1876691 1878608 1876689
Blocks: 1875227
TreeView+ depends on / blocked
Reported: 2020-09-03 04:02 UTC by Dhananjay Arunesh
Modified: 2020-09-18 11:44 UTC (History)
14 users (show)

Fixed In Version: libzmq 4.3.3
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2020-09-08 01:17:45 UTC

Attachments (Terms of Use)

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):


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


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

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

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

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