RHSA-2017:2603 - Security Advisory

Topic

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.

Description

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)

Security Fix(es):

• 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)

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1474893 - CVE-2017-11468 docker-distribution: Does not properly restrict the amount of content accepted from a user
• BZ - 1479494 - [extras-rhel-7.4.1] docker-distribution rebase bug

CVEs

• CVE-2017-11468

References

• https://access.redhat.com/security/updates/classification/#low