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Red Hat Enterprise Linux 7: RHSA-2020-0406:01 Important: Networking Threats

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Calendar Grey February 4, 2020
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ====================================================
An update for containernetworking-plugins is now available for Red Hat Enterprise Linux 7 Extras

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

Summary

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):
* HTTP/2: flood using PING frames results in unbounded memory growth (CVE-2019-9512)
* HTTP/2: flood using HEADERS frames results in unbounded memory growth (CVE-2019-9514)
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.

Topics%20covered

Topics Covered

security advisory Red Hat networking Important HTTP/2 memory growth containernetworking-plugins

References

https://access.redhat.com/security/cve/CVE-2019-9512 https://access.redhat.com/security/cve/CVE-2019-9514 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux 7 Extras:
Source: containernetworking-plugins-0.8.1-4.el7_7.src.rpm
ppc64le: containernetworking-plugins-0.8.1-4.el7_7.ppc64le.rpm containernetworking-plugins-debuginfo-0.8.1-4.el7_7.ppc64le.rpm
s390x: containernetworking-plugins-0.8.1-4.el7_7.s390x.rpm containernetworking-plugins-debuginfo-0.8.1-4.el7_7.s390x.rpm
x86_64: containernetworking-plugins-0.8.1-4.el7_7.x86_64.rpm containernetworking-plugins-debuginfo-0.8.1-4.el7_7.x86_64.rpm
Red Hat Enterprise Linux 7 Extras:
Source: containernetworking-plugins-0.8.1-4.el7_7.src.rpm
x86_64: containernetworking-plugins-0.8.1-4.el7_7.x86_64.rpm containernetworking-plugins-debuginfo-0.8.1-4.el7_7.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0406-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0406
Issue date: 2020-02-04

Topic

An update for containernetworking-plugins is now available for Red HatEnterprise Linux 7 Extras.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat networking Important HTTP/2 memory growth containernetworking-plugins

Relevant Releases Architectures

Red Hat Enterprise Linux 7 Extras - ppc64le, s390x, x86_64

Bugs Fixed

1735645 - CVE-2019-9512 HTTP/2: flood using PING frames results in unbounded memory growth

1735744 - CVE-2019-9514 HTTP/2: flood using HEADERS frames results in unbounded memory growth

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