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Red Hat Security Advisory 2020-2644-01

Red Hat Security Advisory 2020-2644-01
Posted Jun 22, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2644-01 - This release adds the new Apache HTTP Server 2.4.37 Service Pack 3 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 2 and includes bug fixes and enhancements. Issues addressed include buffer over-read, denial of service, and memory leak vulnerabilities.

tags | advisory, web, denial of service, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2018-20843, CVE-2019-0196, CVE-2019-0197, CVE-2019-15903, CVE-2019-19956, CVE-2019-20388, CVE-2020-11080, CVE-2020-1934, CVE-2020-7595
MD5 | a71fe6af0fb16e3610bd7a75e89e2e1a

Red Hat Security Advisory 2020-2644-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP3 security update
Advisory ID: RHSA-2020:2644-01
Product: Red Hat JBoss Core Services
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2644
Issue date: 2020-06-22
CVE Names: CVE-2018-20843 CVE-2019-0196 CVE-2019-0197
CVE-2019-15903 CVE-2019-19956 CVE-2019-20388
CVE-2020-1934 CVE-2020-7595 CVE-2020-11080
====================================================================
1. Summary:

Updated packages that provide Red Hat JBoss Core Services Pack Apache
Server 2.4.37 and fix several bugs, and add various enhancements are now
available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

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 JBoss Core Services on RHEL 6 Server - i386, noarch, ppc64, x86_64
Red Hat JBoss Core Services on RHEL 7 Server - noarch, ppc64, x86_64

3. Description:

This release adds the new Apache HTTP Server 2.4.37 Service Pack 3 packages
that are part of the JBoss Core Services offering.

This release serves as a replacement for Red Hat JBoss Core Services Pack
Apache Server 2.4.37 Service Pack 2 and includes bug fixes and
enhancements. Refer to the Release Notes for information on the most
significant bug fixes and enhancements included in this release.

Security fix(es):

* 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: mod_proxy_ftp use of uninitialized value (CVE-2020-1934)
* nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080)
* libxml2: There's a memory leak in xmlParseBalancedChunkMemoryRecover in
parser.c that could result in a crash (CVE-2019-19956)
* libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388)
* libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file
situations (CVE-2020-7595)
* expat: large number of colons in input makes parser consume high amount
of resources, leading to DoS (CVE-2018-20843)
* expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)

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:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

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
1723723 - CVE-2018-20843 expat: large number of colons in input makes parser consume high amount of resources, leading to DoS
1752592 - CVE-2019-15903 expat: heap-based buffer over-read via crafted XML input
1788856 - CVE-2019-19956 libxml2: There's a memory leak in xmlParseBalancedChunkMemoryRecover in parser.c that could result in a crash
1799734 - CVE-2019-20388 libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c
1799786 - CVE-2020-7595 libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations
1820772 - CVE-2020-1934 httpd: mod_proxy_ftp use of uninitialized value
1844929 - CVE-2020-11080 nghttp2: overly large SETTINGS frames can lead to DoS

6. JIRA issues fixed (https://issues.jboss.org/):

JBCS-941 - Upgrade mod_cluster native to 1.3.13

7. Package List:

Red Hat JBoss Core Services on RHEL 6 Server:

Source:
jbcs-httpd24-curl-7.64.1-36.jbcs.el6.src.rpm
jbcs-httpd24-httpd-2.4.37-57.jbcs.el6.src.rpm
jbcs-httpd24-mod_cluster-native-1.3.14-4.Final_redhat_2.jbcs.el6.src.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el6.src.rpm
jbcs-httpd24-mod_jk-1.2.48-4.redhat_1.jbcs.el6.src.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el6.src.rpm
jbcs-httpd24-mod_security-2.9.2-51.GA.jbcs.el6.src.rpm
jbcs-httpd24-nghttp2-1.39.2-25.jbcs.el6.src.rpm

i386:
jbcs-httpd24-curl-7.64.1-36.jbcs.el6.i686.rpm
jbcs-httpd24-curl-debuginfo-7.64.1-36.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-debuginfo-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-devel-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-selinux-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-httpd-tools-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-libcurl-7.64.1-36.jbcs.el6.i686.rpm
jbcs-httpd24-libcurl-devel-7.64.1-36.jbcs.el6.i686.rpm
jbcs-httpd24-mod_cluster-native-1.3.14-4.Final_redhat_2.jbcs.el6.i686.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.14-4.Final_redhat_2.jbcs.el6.i686.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el6.i686.rpm
jbcs-httpd24-mod_http2-debuginfo-1.15.7-3.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-ap24-1.2.48-4.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.48-4.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_jk-manual-1.2.48-4.redhat_1.jbcs.el6.i686.rpm
jbcs-httpd24-mod_ldap-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el6.i686.rpm
jbcs-httpd24-mod_md-debuginfo-2.0.8-24.jbcs.el6.i686.rpm
jbcs-httpd24-mod_proxy_html-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-mod_security-2.9.2-51.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.2-51.GA.jbcs.el6.i686.rpm
jbcs-httpd24-mod_session-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-mod_ssl-2.4.37-57.jbcs.el6.i686.rpm
jbcs-httpd24-nghttp2-1.39.2-25.jbcs.el6.i686.rpm
jbcs-httpd24-nghttp2-debuginfo-1.39.2-25.jbcs.el6.i686.rpm
jbcs-httpd24-nghttp2-devel-1.39.2-25.jbcs.el6.i686.rpm

noarch:
jbcs-httpd24-httpd-manual-2.4.37-57.jbcs.el6.noarch.rpm

ppc64:
jbcs-httpd24-curl-7.64.1-36.jbcs.el6.ppc64.rpm
jbcs-httpd24-curl-debuginfo-7.64.1-36.jbcs.el6.ppc64.rpm
jbcs-httpd24-libcurl-7.64.1-36.jbcs.el6.ppc64.rpm
jbcs-httpd24-libcurl-devel-7.64.1-36.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_http2-debuginfo-1.15.7-3.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el6.ppc64.rpm
jbcs-httpd24-mod_md-debuginfo-2.0.8-24.jbcs.el6.ppc64.rpm

x86_64:
jbcs-httpd24-curl-7.64.1-36.jbcs.el6.x86_64.rpm
jbcs-httpd24-curl-debuginfo-7.64.1-36.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-debuginfo-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-devel-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-selinux-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-httpd-tools-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-libcurl-7.64.1-36.jbcs.el6.x86_64.rpm
jbcs-httpd24-libcurl-devel-7.64.1-36.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_cluster-native-1.3.14-4.Final_redhat_2.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.14-4.Final_redhat_2.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_http2-debuginfo-1.15.7-3.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-ap24-1.2.48-4.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.48-4.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_jk-manual-1.2.48-4.redhat_1.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_ldap-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_md-debuginfo-2.0.8-24.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_proxy_html-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_security-2.9.2-51.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.2-51.GA.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_session-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-mod_ssl-2.4.37-57.jbcs.el6.x86_64.rpm
jbcs-httpd24-nghttp2-1.39.2-25.jbcs.el6.x86_64.rpm
jbcs-httpd24-nghttp2-debuginfo-1.39.2-25.jbcs.el6.x86_64.rpm
jbcs-httpd24-nghttp2-devel-1.39.2-25.jbcs.el6.x86_64.rpm

Red Hat JBoss Core Services on RHEL 7 Server:

Source:
jbcs-httpd24-curl-7.64.1-36.jbcs.el7.src.rpm
jbcs-httpd24-httpd-2.4.37-57.jbcs.el7.src.rpm
jbcs-httpd24-mod_cluster-native-1.3.14-4.Final_redhat_2.jbcs.el7.src.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el7.src.rpm
jbcs-httpd24-mod_jk-1.2.48-4.redhat_1.jbcs.el7.src.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el7.src.rpm
jbcs-httpd24-mod_security-2.9.2-51.GA.jbcs.el7.src.rpm
jbcs-httpd24-nghttp2-1.39.2-25.jbcs.el7.src.rpm
jbcs-httpd24-openssl-pkcs11-0.4.10-7.jbcs.el7.src.rpm

noarch:
jbcs-httpd24-httpd-manual-2.4.37-57.jbcs.el7.noarch.rpm

ppc64:
jbcs-httpd24-curl-7.64.1-36.jbcs.el7.ppc64.rpm
jbcs-httpd24-curl-debuginfo-7.64.1-36.jbcs.el7.ppc64.rpm
jbcs-httpd24-libcurl-7.64.1-36.jbcs.el7.ppc64.rpm
jbcs-httpd24-libcurl-devel-7.64.1-36.jbcs.el7.ppc64.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el7.ppc64.rpm
jbcs-httpd24-mod_http2-debuginfo-1.15.7-3.jbcs.el7.ppc64.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el7.ppc64.rpm
jbcs-httpd24-mod_md-debuginfo-2.0.8-24.jbcs.el7.ppc64.rpm
jbcs-httpd24-openssl-pkcs11-0.4.10-7.jbcs.el7.ppc64.rpm
jbcs-httpd24-openssl-pkcs11-debuginfo-0.4.10-7.jbcs.el7.ppc64.rpm

x86_64:
jbcs-httpd24-curl-7.64.1-36.jbcs.el7.x86_64.rpm
jbcs-httpd24-curl-debuginfo-7.64.1-36.jbcs.el7.x86_64.rpm
jbcs-httpd24-httpd-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-httpd-debuginfo-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-httpd-devel-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-httpd-selinux-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-httpd-tools-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-libcurl-7.64.1-36.jbcs.el7.x86_64.rpm
jbcs-httpd24-libcurl-devel-7.64.1-36.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_cluster-native-1.3.14-4.Final_redhat_2.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_cluster-native-debuginfo-1.3.14-4.Final_redhat_2.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_http2-1.15.7-3.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_http2-debuginfo-1.15.7-3.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_jk-ap24-1.2.48-4.redhat_1.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_jk-debuginfo-1.2.48-4.redhat_1.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_jk-manual-1.2.48-4.redhat_1.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_ldap-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_md-2.0.8-24.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_md-debuginfo-2.0.8-24.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_proxy_html-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_security-2.9.2-51.GA.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_security-debuginfo-2.9.2-51.GA.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_session-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-mod_ssl-2.4.37-57.jbcs.el7.x86_64.rpm
jbcs-httpd24-nghttp2-1.39.2-25.jbcs.el7.x86_64.rpm
jbcs-httpd24-nghttp2-debuginfo-1.39.2-25.jbcs.el7.x86_64.rpm
jbcs-httpd24-nghttp2-devel-1.39.2-25.jbcs.el7.x86_64.rpm
jbcs-httpd24-openssl-pkcs11-0.4.10-7.jbcs.el7.x86_64.rpm
jbcs-httpd24-openssl-pkcs11-debuginfo-0.4.10-7.jbcs.el7.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/

8. References:

https://access.redhat.com/security/cve/CVE-2018-20843
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-2019-15903
https://access.redhat.com/security/cve/CVE-2019-19956
https://access.redhat.com/security/cve/CVE-2019-20388
https://access.redhat.com/security/cve/CVE-2020-1934
https://access.redhat.com/security/cve/CVE-2020-7595
https://access.redhat.com/security/cve/CVE-2020-11080
https://access.redhat.com/security/updates/classification/#important

9. 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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