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Red Hat Security Advisory 2022-1915-01

Red Hat Security Advisory 2022-1915-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1915-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include out of bounds read and server-side request forgery vulnerabilities.

tags | advisory, web, vulnerability
systems | linux, redhat
advisories | CVE-2020-35452, CVE-2021-33193, CVE-2021-36160, CVE-2021-44224
SHA-256 | e1df27115d97b33c33fdb76ca1928e3a63a0f7a50ef9b98e374d459279351006

Red Hat Security Advisory 2022-1915-01

Change Mirror Download
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Hash: SHA256

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

Synopsis: Moderate: httpd:2.4 security and bug fix update
Advisory ID: RHSA-2022:1915-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1915
Issue date: 2022-05-10
CVE Names: CVE-2020-35452 CVE-2021-33193 CVE-2021-36160
CVE-2021-44224
=====================================================================

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.

Security Fix(es):

* httpd: Request splitting via HTTP/2 method injection and mod_proxy
(CVE-2021-33193)

* httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path
(CVE-2021-36160)

* httpd: possible NULL dereference or SSRF in forward proxy configurations
(CVE-2021-44224)

* httpd: Single zero byte stack overflow in mod_auth_digest
(CVE-2020-35452)

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 8.6 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/):

1966724 - CVE-2020-35452 httpd: Single zero byte stack overflow in mod_auth_digest
1966728 - CVE-2021-33193 httpd: Request splitting via HTTP/2 method injection and mod_proxy
1984828 - mod_proxy_hcheck piles up health checks leading to high memory consumption
2001046 - Apache httpd OOME with mod_dav in RHEL 8
2005124 - CVE-2021-36160 httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path
2034672 - CVE-2021-44224 httpd: possible NULL dereference or SSRF in forward proxy configurations

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.src.rpm
mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.src.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.src.rpm

aarch64:
httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
httpd-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
httpd-debugsource-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
httpd-devel-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
httpd-tools-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
httpd-tools-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm
mod_http2-debuginfo-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm
mod_http2-debugsource-1.15.7-5.module+el8.6.0+13996+01710940.aarch64.rpm
mod_ldap-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_ldap-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.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-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_proxy_html-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_session-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_session-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_ssl-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm
mod_ssl-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.aarch64.rpm

noarch:
httpd-filesystem-2.4.37-47.module+el8.6.0+14529+083145da.1.noarch.rpm
httpd-manual-2.4.37-47.module+el8.6.0+14529+083145da.1.noarch.rpm

ppc64le:
httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
httpd-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
httpd-debugsource-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
httpd-devel-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
httpd-tools-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
httpd-tools-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.ppc64le.rpm
mod_http2-debuginfo-1.15.7-5.module+el8.6.0+13996+01710940.ppc64le.rpm
mod_http2-debugsource-1.15.7-5.module+el8.6.0+13996+01710940.ppc64le.rpm
mod_ldap-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_ldap-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.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-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_proxy_html-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_session-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_session-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_ssl-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm
mod_ssl-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.ppc64le.rpm

s390x:
httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
httpd-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
httpd-debugsource-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
httpd-devel-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
httpd-tools-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
httpd-tools-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.s390x.rpm
mod_http2-debuginfo-1.15.7-5.module+el8.6.0+13996+01710940.s390x.rpm
mod_http2-debugsource-1.15.7-5.module+el8.6.0+13996+01710940.s390x.rpm
mod_ldap-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_ldap-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.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-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_proxy_html-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_session-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_session-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_ssl-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm
mod_ssl-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.s390x.rpm

x86_64:
httpd-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
httpd-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
httpd-debugsource-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
httpd-devel-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
httpd-tools-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
httpd-tools-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_http2-1.15.7-5.module+el8.6.0+13996+01710940.x86_64.rpm
mod_http2-debuginfo-1.15.7-5.module+el8.6.0+13996+01710940.x86_64.rpm
mod_http2-debugsource-1.15.7-5.module+el8.6.0+13996+01710940.x86_64.rpm
mod_ldap-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_ldap-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.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-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_proxy_html-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_session-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_session-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_ssl-2.4.37-47.module+el8.6.0+14529+083145da.1.x86_64.rpm
mod_ssl-debuginfo-2.4.37-47.module+el8.6.0+14529+083145da.1.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-2020-35452
https://access.redhat.com/security/cve/CVE-2021-33193
https://access.redhat.com/security/cve/CVE-2021-36160
https://access.redhat.com/security/cve/CVE-2021-44224
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_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 2022 Red Hat, Inc.
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