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AUSCERT External Security Bulletin Redistribution
ESB-2020.3872
httpd:2.4 security, bug fix, and enhancement update
6 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: httpd:2.4
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1934 CVE-2020-1927 CVE-2019-10098
CVE-2019-10097 CVE-2019-10092 CVE-2019-10082
CVE-2019-10081 CVE-2019-0197 CVE-2019-0196
CVE-2018-17189
Reference: ASB-2020.0186
ASB-2020.0031
ESB-2020.3373
ESB-2020.2988
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:4751
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Red Hat Security Advisory
Synopsis: Moderate: httpd:2.4 security, bug fix, and enhancement update
Advisory ID: RHSA-2020:4751-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4751
Issue date: 2020-11-03
CVE Names: CVE-2018-17189 CVE-2019-0196 CVE-2019-0197
CVE-2019-10081 CVE-2019-10082 CVE-2019-10092
CVE-2019-10097 CVE-2019-10098 CVE-2020-1927
CVE-2020-1934
=====================================================================
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 Moderate. 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.
The following packages have been upgraded to a later upstream version:
mod_http2 (1.15.7). (BZ#1814236)
Security Fix(es):
* httpd: memory corruption on early pushes (CVE-2019-10081)
* httpd: read-after-free in h2 connection shutdown (CVE-2019-10082)
* httpd: null-pointer dereference in mod_remoteip (CVE-2019-10097)
* httpd: mod_rewrite configurations vulnerable to open redirect
(CVE-2020-1927)
* httpd: mod_http2: DoS via slow, unneeded request bodies (CVE-2018-17189)
* httpd: mod_http2: read-after-free on a string compare (CVE-2019-0196)
* httpd: mod_http2: possible crash on late upgrade (CVE-2019-0197)
* httpd: limited cross-site scripting in mod_proxy error page
(CVE-2019-10092)
* httpd: mod_rewrite potential open redirect (CVE-2019-10098)
* httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from 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/):
1209162 - RFE: CustomLog should be able to use journald
1668497 - CVE-2018-17189 httpd: mod_http2: DoS via slow, unneeded request bodies
1695030 - CVE-2019-0196 httpd: mod_http2: read-after-free on a string compare
1695042 - CVE-2019-0197 httpd: mod_http2: possible crash on late upgrade
1743956 - CVE-2019-10092 httpd: limited cross-site scripting in mod_proxy error page
1743959 - CVE-2019-10098 httpd: mod_rewrite potential open redirect
1743966 - CVE-2019-10081 httpd: memory corruption on early pushes
1743974 - CVE-2019-10082 httpd: read-after-free in h2 connection shutdown
1743996 - CVE-2019-10097 httpd: null-pointer dereference in mod_remoteip
1771847 - BalancerMember ping parameter for mod_proxy_http doesn't work
1814236 - RFE: mod_http2 rebase
1820761 - CVE-2020-1927 httpd: mod_rewrite configurations vulnerable to open redirect
1820772 - CVE-2020-1934 httpd: mod_proxy_ftp use of uninitialized value
1832844 - mod_md does not work with ACME server that does not provide keyChange or revokeCert resources
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.src.rpm
mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.src.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.src.rpm
aarch64:
httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm
mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm
mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm
mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.aarch64.rpm
mod_proxy_html-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm
noarch:
httpd-filesystem-2.4.37-30.module+el8.3.0+7001+0766b9e7.noarch.rpm
httpd-manual-2.4.37-30.module+el8.3.0+7001+0766b9e7.noarch.rpm
ppc64le:
httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm
mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm
mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm
mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_proxy_html-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm
s390x:
httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm
mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm
mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm
mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_proxy_html-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm
x86_64:
httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm
mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm
mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm
mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_proxy_html-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm
mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2018-17189
https://access.redhat.com/security/cve/CVE-2019-0196
https://access.redhat.com/security/cve/CVE-2019-0197
https://access.redhat.com/security/cve/CVE-2019-10081
https://access.redhat.com/security/cve/CVE-2019-10082
https://access.redhat.com/security/cve/CVE-2019-10092
https://access.redhat.com/security/cve/CVE-2019-10097
https://access.redhat.com/security/cve/CVE-2019-10098
https://access.redhat.com/security/cve/CVE-2020-1927
https://access.redhat.com/security/cve/CVE-2020-1934
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/
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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