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

Synopsis:          Important: httpd security update
Advisory ID:       RHSA-2022:1136-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1136
Issue date:        2022-03-30
CVE Names:         CVE-2021-44790 CVE-2022-22720 
=====================================================================

1. Summary:

An update for httpd is now available for Red Hat Enterprise Linux 7.6
Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.6 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 Server AUS (v. 7.6) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch, x86_64

3. Description:

The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.

Security Fix(es):

* httpd: mod_lua: Possible buffer overflow when parsing multipart content
(CVE-2021-44790)

* httpd: Errors encountered during the discarding of request body lead to
HTTP request smuggling (CVE-2022-22720)

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/):

2034674 - CVE-2021-44790 httpd: mod_lua: Possible buffer overflow when parsing multipart content
2064321 - CVE-2022-22720 httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.6):

Source:
httpd-2.4.6-89.el7_6.4.src.rpm

noarch:
httpd-manual-2.4.6-89.el7_6.4.noarch.rpm

x86_64:
httpd-2.4.6-89.el7_6.4.x86_64.rpm
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
httpd-devel-2.4.6-89.el7_6.4.x86_64.rpm
httpd-tools-2.4.6-89.el7_6.4.x86_64.rpm
mod_session-2.4.6-89.el7_6.4.x86_64.rpm
mod_ssl-2.4.6-89.el7_6.4.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.6):

Source:
httpd-2.4.6-89.el7_6.4.src.rpm

noarch:
httpd-manual-2.4.6-89.el7_6.4.noarch.rpm

ppc64le:
httpd-2.4.6-89.el7_6.4.ppc64le.rpm
httpd-debuginfo-2.4.6-89.el7_6.4.ppc64le.rpm
httpd-devel-2.4.6-89.el7_6.4.ppc64le.rpm
httpd-tools-2.4.6-89.el7_6.4.ppc64le.rpm
mod_session-2.4.6-89.el7_6.4.ppc64le.rpm
mod_ssl-2.4.6-89.el7_6.4.ppc64le.rpm

x86_64:
httpd-2.4.6-89.el7_6.4.x86_64.rpm
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
httpd-devel-2.4.6-89.el7_6.4.x86_64.rpm
httpd-tools-2.4.6-89.el7_6.4.x86_64.rpm
mod_session-2.4.6-89.el7_6.4.x86_64.rpm
mod_ssl-2.4.6-89.el7_6.4.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.6):

Source:
httpd-2.4.6-89.el7_6.4.src.rpm

noarch:
httpd-manual-2.4.6-89.el7_6.4.noarch.rpm

x86_64:
httpd-2.4.6-89.el7_6.4.x86_64.rpm
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
httpd-devel-2.4.6-89.el7_6.4.x86_64.rpm
httpd-tools-2.4.6-89.el7_6.4.x86_64.rpm
mod_session-2.4.6-89.el7_6.4.x86_64.rpm
mod_ssl-2.4.6-89.el7_6.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.6):

x86_64:
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
mod_ldap-2.4.6-89.el7_6.4.x86_64.rpm
mod_proxy_html-2.4.6-89.el7_6.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.6):

ppc64le:
httpd-debuginfo-2.4.6-89.el7_6.4.ppc64le.rpm
mod_ldap-2.4.6-89.el7_6.4.ppc64le.rpm
mod_proxy_html-2.4.6-89.el7_6.4.ppc64le.rpm

x86_64:
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
mod_ldap-2.4.6-89.el7_6.4.x86_64.rpm
mod_proxy_html-2.4.6-89.el7_6.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.6):

x86_64:
httpd-debuginfo-2.4.6-89.el7_6.4.x86_64.rpm
mod_ldap-2.4.6-89.el7_6.4.x86_64.rpm
mod_proxy_html-2.4.6-89.el7_6.4.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-2021-44790
https://access.redhat.com/security/cve/CVE-2022-22720
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 2022 Red Hat, Inc.
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