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Red Hat Security Advisory
Synopsis: Moderate: containernetworking-plugins security update
Advisory ID: RHSA-2020:2684-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2684
Issue date: 2020-06-23
CVE Names: CVE-2020-10749
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1. Summary:
An update for containernetworking-plugins 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 – ppc64le, s390x, x86_64
3. Description:
The Container Network Interface (CNI) project consists of a specification
and libraries for writing plug-ins for configuring network interfaces in
Linux containers, along with a number of supported plug-ins. CNI concerns
itself only with network connectivity of containers and removing allocated
resources when the container is deleted.
Security Fix(es):
* containernetworking/plugins: IPv6 router advertisements allow for MitM
attacks on IPv4 clusters (CVE-2020-10749)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
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/):
1833220 – CVE-2020-10749 containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source:
containernetworking-plugins-0.8.3-3.el7_8.src.rpm
ppc64le:
containernetworking-plugins-0.8.3-3.el7_8.ppc64le.rpm
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.ppc64le.rpm
s390x:
containernetworking-plugins-0.8.3-3.el7_8.s390x.rpm
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.s390x.rpm
x86_64:
containernetworking-plugins-0.8.3-3.el7_8.x86_64.rpm
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.x86_64.rpm
Red Hat Enterprise Linux 7 Extras:
Source:
containernetworking-plugins-0.8.3-3.el7_8.src.rpm
x86_64:
containernetworking-plugins-0.8.3-3.el7_8.x86_64.rpm
containernetworking-plugins-debuginfo-0.8.3-3.el7_8.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-2020-10749
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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