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Red Hat Product Errata RHSA-2016:0351 - Security Advisory
Issued:
2016-03-03
Updated:
2016-03-03

RHSA-2016:0351 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: kubernetes security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated kubernetes packages that fix two security issues are now
available for Red Hat OpenShift Enterprise 3.0.2.

Red Hat Product Security has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

Description

OpenShift Enterprise by Red Hat is the company's cloud computing
Platform-as-a-Service (PaaS) solution designed for on-premise or
private cloud deployments.

An authorization flaw was discovered in Kubernetes; the API server did
not properly check user permissions when handling certain requests. An
authenticated remote attacker could use this flaw to gain additional
access to resources such as RAM and disk space. (CVE-2016-1905)

An authorization flaw was discovered in Kubernetes; the API server did
not properly check user permissions when handling certain build
configuration strategies. A remote attacker could create build
configurations with strategies that violate policy. Although the attacker could not launch the build themselves (launch fails when the
policy is violated), if the build configuration files were later
launched by other privileged services (such as automated triggers),
user privileges could be bypassed allowing attacker escalation.
(CVE-2016-1906)

All OpenShift Enterprise 3.0 users are advised to upgrade to these
updated packages.

Solution

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat OpenShift Container Platform 3.0.0.0 x86_64

Fixes

  • BZ - 1297910 - CVE-2016-1905 Kubernetes api server: patch operation should use patched object to check admission control
  • BZ - 1297916 - CVE-2016-1906 Kubernetes api server: build config to a strategy that isn't allowed by policy

CVEs

  • CVE-2016-1905
  • CVE-2016-1906

References

  • http://www.redhat.com/security/updates/classification/#normal
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenShift Container Platform 3.0.0.0

SRPM
openshift-3.0.2.0-0.git.45.423f434.el7ose.src.rpm SHA-256: ac7f66d1c0eaf2d42dd7d02b3805b35d899d3f57fb5016cc4da62f416e9a886b
x86_64
openshift-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: b0c10389c2532d822f89f54078e0f7b87279405dbad4659b67ec514955d7aaac
openshift-clients-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: 07ded855d0e8c12aedf2a3a8aca937f62d13529e489da0465d75027c57a2a490
openshift-master-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: 900455cec949309f84572652801f06b2e31f17c0fc134332320094d0d0de907b
openshift-node-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: b4710ca48926c5566ed583a725eca9a5d682b483216d3c4c263f306334edff5d
openshift-sdn-ovs-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: 28b2fb63322e02c31f4c7e62d0a1d35d29ab559a5e3fd96ef7ee473ec28c1dd7
tuned-profiles-openshift-node-3.0.2.0-0.git.45.423f434.el7ose.x86_64.rpm SHA-256: 0e784bba2c2a39bbaa4b9c5024b7bbc628e4fcebb24e11be5f87b3340eee5adb

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

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