Home / mailings [RHSA-2021:2471-01] Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 security update
Posted on 17 June 2021
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 security update
Advisory ID: RHSA-2021:2471-01
Product: Red Hat JBoss Core Services
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2471
Issue date: 2021-06-17
CVE Names: CVE-2020-8169 CVE-2020-8284 CVE-2020-8285
CVE-2020-8286 CVE-2021-22876 CVE-2021-22890
CVE-2021-22901 CVE-2021-31618
=====================================================================
1. Summary:
Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 8 zip
release for RHEL 7, RHEL 8 and Microsoft Windows is available.
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. Description:
Red Hat JBoss Core Services is a set of supplementary software for Red Hat
JBoss middleware products. This software, such as Apache HTTP Server, is
common to multiple JBoss middleware products, and is packaged under Red Hat
JBoss Core Services to allow for faster distribution of updates, and for a
more consistent update experience.
This release adds the new Apache HTTP Server 2.4.37 Service Pack 8 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 7 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):
* curl: Use-after-free in TLS session handling when using OpenSSL TLS
backend (CVE-2021-22901)
* httpd: NULL pointer dereference on specially crafted HTTP/2 request
(CVE-2021-31618)
* libcurl: partial password leak over DNS on HTTP redirect (CVE-2020-8169)
* curl: FTP PASV command response can cause curl to connect to arbitrary
host (CVE-2020-8284)
* curl: Malicious FTP server can trigger stack overflow when
CURLOPT_CHUNK_BGN_FUNCTION is used (CVE-2020-8285)
* curl: Inferior OCSP verification (CVE-2020-8286)
* curl: Leak of authentication credentials in URL via automatic Referer
(CVE-2021-22876)
* curl: TLS 1.3 session ticket mix-up with HTTPS proxy host
(CVE-2021-22890)
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.
3. Solution:
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a download link for the
update. You must be logged in to download the update.
4. Bugs fixed (https://bugzilla.redhat.com/):
1847916 - CVE-2020-8169 libcurl: partial password leak over DNS on HTTP redirect
1902667 - CVE-2020-8284 curl: FTP PASV command response can cause curl to connect to arbitrary host
1902687 - CVE-2020-8285 curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used
1906096 - CVE-2020-8286 curl: Inferior OCSP verification
1941964 - CVE-2021-22876 curl: Leak of authentication credentials in URL via automatic Referer
1941965 - CVE-2021-22890 curl: TLS 1.3 session ticket mix-up with HTTPS proxy host
1963146 - CVE-2021-22901 curl: Use-after-free in TLS session handling when using OpenSSL TLS backend
1968013 - CVE-2021-31618 httpd: NULL pointer dereference on specially crafted HTTP/2 request
5. References:
https://access.redhat.com/security/cve/CVE-2020-8169
https://access.redhat.com/security/cve/CVE-2020-8284
https://access.redhat.com/security/cve/CVE-2020-8285
https://access.redhat.com/security/cve/CVE-2020-8286
https://access.redhat.com/security/cve/CVE-2021-22876
https://access.redhat.com/security/cve/CVE-2021-22890
https://access.redhat.com/security/cve/CVE-2021-22901
https://access.redhat.com/security/cve/CVE-2021-31618
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.apachehttp&downloadType=securityPatches&version=2.4.37
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.openssl&downloadType=securityPatches&version=1.1.1g
https://access.redhat.com/documentation/en-us/red_hat_jboss_core_services/2.4.37/
6. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
