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AUSCERT External Security Bulletin Redistribution
Low: docker-distribution security, bug fix, and enhancement update
6 September 2017
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2017-11468
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running docker-distribution check for an updated version of the
software for their operating system.
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Red Hat Security Advisory
Synopsis: Low: docker-distribution security, bug fix, and enhancement update
Advisory ID: RHSA-2017:2603-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2603
Issue date: 2017-09-05
CVE Names: CVE-2017-11468
An update for docker-distribution is now available for Red Hat Enterprise
Linux 7 Extras.
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. Relevant releases/architectures:
Red Hat Enterprise Linux 7 Extras - ppc64le, x86_64
The docker-distribution package provides the tool set to support the Docker
Registry version 2.
The following packages have been upgraded to a later upstream version:
docker-distribution (2.6.2). (BZ#1479494)
* It was found that docker-distribution did not properly restrict memory
allocation size for a registry instance through the manifest endpoint. An
attacker could send a specially crafted request that would exhaust the
memory of the docker-distribution service. (CVE-2017-11468)
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1474893 - CVE-2017-11468 docker-distribution: Does not properly restrict the amount of content accepted from a user
1479494 - [extras-rhel-7.4.1] docker-distribution rebase bug
6. Package List:
Red Hat Enterprise Linux 7 Extras:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc.
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