[RHSA-2016:2634-01] Moderate: docker security and bug fix update

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Red Hat Security Advisory

 

Synopsis: Moderate: docker security and bug fix update

Advisory ID: RHSA-2016:2634-01

Product: Red Hat Enterprise Linux Extras

Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2634.html

Issue date: 2016-11-03

CVE Names: CVE-2016-3697

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1. Summary:

 

An update for docker is now available for Red Hat Enterprise Linux 7

Extras.

 

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 Enterprise Linux 7 Extras - x86_64

 

3. Description:

 

Docker is an open-source engine that automates the deployment of any

application as a lightweight, portable, self-sufficient container that will

run virtually anywhere.

 

Security Fix(es):

 

* It was found that Docker would launch containers under the specified UID

instead of a username. An attacker able to launch a container could use

this flaw to escalate their privileges to root within the launched

container. (CVE-2016-3697)

 

This issue was discovered by Mrunal Patel (Red Hat).

 

Bug Fix(es):

 

* This update also provides various bug fixes and enhancements. Users are

advised to upgrade to these updated packages.

 

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/):

 

1303123 - docker requires an updated selinux-policy-targeted for interfaces it uses to be mainstream

1329450 - CVE-2016-3697 docker: privilege escalation via confusion of usernames and UIDs

1330141 - openonload applications fail inside containers

1335951 - heavy logging leads to Docker daemon OOM-ing

1336857 - SELinux context not set properly when building vagrant box

1346185 - Installing Extras 7.2 on RHEL 7.3 nightly causes wrong SELinux domain for the docker daemon and containers

1357121 - [extras-rhel-7.3.0] Docker ps -a shows dead pods that can't be removed

1358819 - docker is prevented from running container by selinux

1362611 - Cannot start container. oci-register-machine failed, permission denied

1370935 - docker-selinux broken in 7.3

1374265 - [extras-rhel-7.3.0] docker-py 1.7.2 hangs when trying to access ctr stats against docker 1.10

1385641 - sssd process are running in docker_t context instead of spc_t context

 

6. Package List:

 

Red Hat Enterprise Linux 7 Extras:

 

Source:

docker-1.10.3-57.el7.src.rpm

 

x86_64:

docker-1.10.3-57.el7.x86_64.rpm

docker-common-1.10.3-57.el7.x86_64.rpm

docker-logrotate-1.10.3-57.el7.x86_64.rpm

docker-lvm-plugin-1.10.3-57.el7.x86_64.rpm

docker-novolume-plugin-1.10.3-57.el7.x86_64.rpm

docker-rhel-push-plugin-1.10.3-57.el7.x86_64.rpm

docker-selinux-1.10.3-57.el7.x86_64.rpm

docker-v1.10-migrator-1.10.3-57.el7.x86_64.rpm

 

Red Hat Enterprise Linux 7 Extras:

 

Source:

docker-1.10.3-55.el7.src.rpm

 

x86_64:

docker-1.10.3-55.el7.x86_64.rpm

docker-common-1.10.3-55.el7.x86_64.rpm

docker-logrotate-1.10.3-55.el7.x86_64.rpm

docker-lvm-plugin-1.10.3-55.el7.x86_64.rpm

docker-novolume-plugin-1.10.3-55.el7.x86_64.rpm

docker-rhel-push-plugin-1.10.3-55.el7.x86_64.rpm

docker-selinux-1.10.3-55.el7.x86_64.rpm

docker-v1.10-migrator-1.10.3-55.el7.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-2016-3697

https://access.redhat.com/security/updates/classification/#moderate

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2016 Red Hat, Inc.

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