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AUSCERT External Security Bulletin Redistribution
ESB-2019.3606
Important: httpd:2.4 security update
25 September 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: httpd:2.4
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-2019-9517
Reference: ESB-2019.3597
ESB-2019.3596
ESB-2019.3508
ESB-2019.3479
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:2893
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Red Hat Security Advisory
Synopsis: Important: httpd:2.4 security update
Advisory ID: RHSA-2019:2893-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2893
Issue date: 2019-09-24
CVE Names: CVE-2019-9517
=====================================================================
1. Summary:
An update for the httpd:2.4 module is now available for Red Hat Enterprise
Linux 8.
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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
3. Description:
The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.
Security Fix(es):
* HTTP/2: request for large response leads to denial of service
(CVE-2019-9517)
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
After installing the updated packages, the httpd daemon will be restarted
automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1741868 - CVE-2019-9517 HTTP/2: request for large response leads to denial of service
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
httpd-2.4.37-12.module+el8.0.0+4096+eb40e6da.src.rpm
mod_http2-1.11.3-3.module+el8.0.0+4096+eb40e6da.src.rpm
aarch64:
httpd-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
httpd-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
httpd-debugsource-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
httpd-devel-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
httpd-tools-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
httpd-tools-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_http2-1.11.3-3.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_http2-debuginfo-1.11.3-3.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_http2-debugsource-1.11.3-3.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_ldap-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_ldap-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_md-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_md-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_proxy_html-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_proxy_html-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_session-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_session-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_ssl-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
mod_ssl-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.aarch64.rpm
noarch:
httpd-filesystem-2.4.37-12.module+el8.0.0+4096+eb40e6da.noarch.rpm
httpd-manual-2.4.37-12.module+el8.0.0+4096+eb40e6da.noarch.rpm
ppc64le:
httpd-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
httpd-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
httpd-debugsource-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
httpd-devel-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
httpd-tools-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
httpd-tools-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_http2-1.11.3-3.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_http2-debuginfo-1.11.3-3.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_http2-debugsource-1.11.3-3.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_ldap-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_ldap-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_md-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_md-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_proxy_html-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_proxy_html-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_session-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_session-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_ssl-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
mod_ssl-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.ppc64le.rpm
s390x:
httpd-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
httpd-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
httpd-debugsource-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
httpd-devel-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
httpd-tools-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
httpd-tools-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_http2-1.11.3-3.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_http2-debuginfo-1.11.3-3.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_http2-debugsource-1.11.3-3.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_ldap-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_ldap-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_md-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_md-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_proxy_html-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_proxy_html-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_session-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_session-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_ssl-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
mod_ssl-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.s390x.rpm
x86_64:
httpd-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
httpd-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
httpd-debugsource-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
httpd-devel-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
httpd-tools-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
httpd-tools-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_http2-1.11.3-3.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_http2-debuginfo-1.11.3-3.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_http2-debugsource-1.11.3-3.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_ldap-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_ldap-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_md-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_md-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_proxy_html-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_proxy_html-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_session-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_session-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_ssl-2.4.37-12.module+el8.0.0+4096+eb40e6da.x86_64.rpm
mod_ssl-debuginfo-2.4.37-12.module+el8.0.0+4096+eb40e6da.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-2019-9517
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 2019 Red Hat, Inc.
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