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Red Hat: RHSA-2020:2823-01 Important: nghttp2 DoS Threat Fix

red hat
Calendar Grey July 6, 2020
Dist Redhat Esm H88
A significant patch for nghttp2 tackles a Denial of Service vulnerability in Red Hat Enterprise Linux, bolstering security protocols.
An update for nghttp2 is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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 Red Hat update DoS 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 EUS (v. 8.1):
Source: nghttp2-1.33.0-3.el8_1.1.src.rpm
aarch64: libnghttp2-1.33.0-3.el8_1.1.aarch64.rpm libnghttp2-debuginfo-1.33.0-3.el8_1.1.aarch64.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.aarch64.rpm nghttp2-debugsource-1.33.0-3.el8_1.1.aarch64.rpm
ppc64le: libnghttp2-1.33.0-3.el8_1.1.ppc64le.rpm libnghttp2-debuginfo-1.33.0-3.el8_1.1.ppc64le.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.ppc64le.rpm nghttp2-debugsource-1.33.0-3.el8_1.1.ppc64le.rpm
s390x: libnghttp2-1.33.0-3.el8_1.1.s390x.rpm libnghttp2-debuginfo-1.33.0-3.el8_1.1.s390x.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.s390x.rpm nghttp2-debugsource-1.33.0-3.el8_1.1.s390x.rpm
x86_64: libnghttp2-1.33.0-3.el8_1.1.i686.rpm libnghttp2-1.33.0-3.el8_1.1.x86_64.rpm libnghttp2-debuginfo-1.33.0-3.el8_1.1.i686.rpm libnghttp2-debuginfo-1.33.0-3.el8_1.1.x86_64.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.i686.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.x86_64.rpm nghttp2-debugsource-1.33.0-3.el8_1.1.i686.rpm nghttp2-debugsource-1.33.0-3.el8_1.1.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.1):
aarch64: libnghttp2-debuginfo-1.33.0-3.el8_1.1.aarch64.rpm libnghttp2-devel-1.33.0-3.el8_1.1.aarch64.rpm nghttp2-1.33.0-3.el8_1.1.aarch64.rpm nghttp2-debuginfo-1.33.0-3.el8_1.1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2823-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2823
Issue date: 2020-07-06

Topic

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.1Extended Update Support.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 update DoS important security impact nghttp2

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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