[RHSA-2014:0820-01] Important: docker security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Important: docker security update
Advisory ID:       RHSA-2014:0820-01
Product:           RHEL Extras
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0820.html
Issue date:        2014-07-01
CVE Names:         CVE-2014-3499 
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1. Summary:

An updated docker package that fixes one security issue is now available
for Red Hat Enterprise Linux 7 Extras.

The Red Hat Security Response Team has rated this update as having
Important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras - x86_64

3. Description:

Docker is a service providing container management on Linux.

It was found that the socket used to manage the Docker service was world
readable and writable. A local user could use this flaw to escalate their
privileges to root. (CVE-2014-3499)

Red Hat would like to thank Jon Stanley for reporting this issue.

All users of docker are advised to upgrade to this updated package, which
corrects this issue. After applying this update, the docker service must
be restarted for the update to take effect.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1111687 - CVE-2014-3499 docker: systemd socket activation results in privilege escalation

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
docker-0.11.1-22.el7.src.rpm

x86_64:
docker-0.11.1-22.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-3499.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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