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AUSCERT External Security Bulletin Redistribution
ESB-2020.2321
nghttp2 security update
8 July 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: nghttp2
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11080
Reference: ESB-2020.2308
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:2850
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Red Hat Security Advisory
Synopsis: Important: nghttp2 security update
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
CVE Names: CVE-2020-11080
=====================================================================
1. Summary:
An update for nghttp2 is now available for Red Hat Enterprise Linux 8.0
Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact
of Important. 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 BaseOS E4S (v. 8.0) - aarch64, ppc64le, s390x, x86_64
3. Description:
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.
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/):
1844929 - CVE-2020-11080 nghttp2: overly large SETTINGS frames can lead to DoS
6. 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/
7. References:
https://access.redhat.com/security/cve/CVE-2020-11080
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 2020 Red Hat, Inc.
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