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Red Hat Enterprise Linux 8.0 RHSA-2020-2850-01 Important: nghttp2 DoS

red hat
Calendar Grey July 7, 2020
Dist Redhat Esm H88
The new security update for nghttp2 on Red Hat tackles critical vulnerabilities that present serious risks. Stakeholders should implement this patch to protect systems from threats
An update for nghttp2 is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.
Security Fix(es):
* nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080)
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 update DoS Red Hat Enterprise Linux important security impact nghttp2

References

https://access.redhat.com/security/cve/CVE-2020-11080 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source: nghttp2-1.33.0-1.el8_0.2.src.rpm
aarch64: libnghttp2-1.33.0-1.el8_0.2.aarch64.rpm libnghttp2-debuginfo-1.33.0-1.el8_0.2.aarch64.rpm nghttp2-debuginfo-1.33.0-1.el8_0.2.aarch64.rpm nghttp2-debugsource-1.33.0-1.el8_0.2.aarch64.rpm
ppc64le: libnghttp2-1.33.0-1.el8_0.2.ppc64le.rpm libnghttp2-debuginfo-1.33.0-1.el8_0.2.ppc64le.rpm nghttp2-debuginfo-1.33.0-1.el8_0.2.ppc64le.rpm nghttp2-debugsource-1.33.0-1.el8_0.2.ppc64le.rpm
s390x: libnghttp2-1.33.0-1.el8_0.2.s390x.rpm libnghttp2-debuginfo-1.33.0-1.el8_0.2.s390x.rpm nghttp2-debuginfo-1.33.0-1.el8_0.2.s390x.rpm nghttp2-debugsource-1.33.0-1.el8_0.2.s390x.rpm
x86_64: libnghttp2-1.33.0-1.el8_0.2.i686.rpm libnghttp2-1.33.0-1.el8_0.2.x86_64.rpm libnghttp2-debuginfo-1.33.0-1.el8_0.2.i686.rpm libnghttp2-debuginfo-1.33.0-1.el8_0.2.x86_64.rpm nghttp2-debuginfo-1.33.0-1.el8_0.2.i686.rpm nghttp2-debuginfo-1.33.0-1.el8_0.2.x86_64.rpm nghttp2-debugsource-1.33.0-1.el8_0.2.i686.rpm nghttp2-debugsource-1.33.0-1.el8_0.2.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2850-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2850
Issue date: 2020-07-07

Topic

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 update DoS Red Hat Enterprise Linux important security impact nghttp2

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1844929 - CVE-2020-11080 nghttp2: overly large SETTINGS frames can lead to DoS

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