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AUSCERT External Security Bulletin Redistribution
ESB-2021.4029
Red Hat AMQ Broker 7.9.1 release and security update
1 December 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat AMQ Broker 7.9.1
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-37137 CVE-2021-37136
Reference: ESB-2021.3847
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:4851
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Red Hat Security Advisory
Synopsis: Low: Red Hat AMQ Broker 7.9.1 release and security update
Advisory ID: RHSA-2021:4851-01
Product: Red Hat JBoss AMQ
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4851
Issue date: 2021-11-30
Keywords: amq,messaging,integration,broker
CVE Names: CVE-2021-37136 CVE-2021-37137
=====================================================================
1. Summary:
Red Hat AMQ Broker 7.9.1 is now available from the Red Hat Customer Portal.
Red Hat Product Security has rated this update as having a security impact
of Low. 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. Description:
AMQ Broker is a high-performance messaging implementation based on ActiveMQ
Artemis. It uses an asynchronous journal for fast message persistence, and
supports multiple languages, protocols, and platforms.
This release of Red Hat AMQ Broker 7.9.1 serves as a replacement for Red
Hat AMQ Broker 7.9.0, and includes security and bug fixes, and
enhancements. For further information, refer to the release notes linked to
in the References section.
Security Fix(es):
* netty-codec: Bzip2Decoder doesn't allow setting size restrictions for
decompressed data (CVE-2021-37136)
* netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may
buffer skippable chunks in an unnecessary way (CVE-2021-37137)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
3. Solution:
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a download link (you must
log in to download the update).
4. Bugs fixed (https://bugzilla.redhat.com/):
2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data
2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way
5. References:
https://access.redhat.com/security/cve/CVE-2021-37136
https://access.redhat.com/security/cve/CVE-2021-37137
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=distributions&product=jboss.amq.broker&version=7.9.1
https://access.redhat.com/documentation/en-us/red_hat_amq/2021.q4
6. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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