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AUSCERT External Security Bulletin Redistribution
ESB-2020.4448
memcached security update
17 December 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: memcached
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11596
Reference: ESB-2020.1484
ESB-2019.1514
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:5583
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Red Hat Security Advisory
Synopsis: Moderate: memcached security update
Advisory ID: RHSA-2020:5583-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5583
Issue date: 2020-12-16
CVE Names: CVE-2019-11596
=====================================================================
1. Summary:
An update for memcached is now available for Red Hat OpenStack Platform 13
(Queens).
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat OpenStack Platform 13.0 - ppc64le, x86_64
Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server - x86_64
3. Description:
memcached is a high-performance, distributed memory object caching system,
generic in nature, but intended for use in speeding up dynamic web
applications
by alleviating database load.
Security Fix(es):
* null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial
of service (CVE-2019-11596)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1706001 - CVE-2019-11596 memcached: null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service
6. Package List:
Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server:
Source:
memcached-1.4.39-3.el7ost.src.rpm
x86_64:
memcached-1.4.39-3.el7ost.x86_64.rpm
memcached-debuginfo-1.4.39-3.el7ost.x86_64.rpm
Red Hat OpenStack Platform 13.0:
Source:
memcached-1.4.39-3.el7ost.src.rpm
ppc64le:
memcached-1.4.39-3.el7ost.ppc64le.rpm
memcached-debuginfo-1.4.39-3.el7ost.ppc64le.rpm
x86_64:
memcached-1.4.39-3.el7ost.x86_64.rpm
memcached-debuginfo-1.4.39-3.el7ost.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-11596
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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