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AUSCERT External Security Bulletin Redistribution
ESB-2016.0935
Important: openvswitch security update
13 April 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: openvswitch
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2074
Reference: ESB-2016.0817
ESB-2016.0815
ESB-2016.0811
Original Bulletin:
https://access.redhat.com/errata/RHSA-2016:0615
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Red Hat Security Advisory
Synopsis: Important: openvswitch security update
Advisory ID: RHSA-2016:0615-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2016:0615
Issue date: 2016-04-11
CVE Names: CVE-2016-2074
=====================================================================
1. Summary:
Updated openvswitch packages that fix one security issue are now available
for Red Hat OpenShift Enterprise 3.1.
Red Hat Product Security 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 OpenShift Enterprise 3.1 - noarch, x86_64
3. 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.
A buffer overflow flaw was discovered in the OVS processing of MPLS labels.
A remote attacker able to deliver a frame containing a malicious MPLS label
that would be processed by OVS could trigger the flaw and use the resulting
memory corruption to cause a denial of service (DoS) or, possibly, execute
arbitrary code. (CVE-2016-2074)
Red Hat would like to thank the Open vSwitch Project for reporting these
issues. Upstream acknowledges Kashyap Thimmaraju and Bhargava Shastry as
the original reporters of CVE-2016-2074.
This update includes the following images:
openshift3/openvswitch:v3.1.1.6-9
aep3_beta/openvswitch:v3.1.1.6-9
openshift3/node:v3.1.1.6-16
aep3_beta/node:v3.1.1.6-16
All openvswitch users are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
1318553 - CVE-2016-2074 openvswitch: MPLS buffer overflow vulnerability
6. Package List:
Red Hat OpenShift Enterprise 3.1:
Source:
openvswitch-2.4.0-2.el7_2.src.rpm
noarch:
openvswitch-test-2.4.0-2.el7_2.noarch.rpm
python-openvswitch-2.4.0-2.el7_2.noarch.rpm
x86_64:
openvswitch-2.4.0-2.el7_2.x86_64.rpm
openvswitch-debuginfo-2.4.0-2.el7_2.x86_64.rpm
openvswitch-devel-2.4.0-2.el7_2.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-2016-2074
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc.
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