Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.3366
httpd24-httpd security update
12 October 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: httpd24-httpd
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40438
Reference: ESB-2021.3357
ESB-2021.3339
ESB-2021.3279
ESB-2021.3239
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:3754
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Red Hat Security Advisory
Synopsis: Important: httpd24-httpd security update
Advisory ID: RHSA-2021:3754-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3754
Issue date: 2021-10-11
CVE Names: CVE-2021-40438
=====================================================================
1. Summary:
An update for httpd24-httpd is now available for Red Hat Software
Collections.
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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - 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_proxy: SSRF via a crafted request uri-path containing "unix:"
(CVE-2021-40438)
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/):
2005117 - CVE-2021-40438 httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:"
6. Package List:
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source:
httpd24-httpd-2.4.34-22.el7.1.src.rpm
noarch:
httpd24-httpd-manual-2.4.34-22.el7.1.noarch.rpm
ppc64le:
httpd24-httpd-2.4.34-22.el7.1.ppc64le.rpm
httpd24-httpd-debuginfo-2.4.34-22.el7.1.ppc64le.rpm
httpd24-httpd-devel-2.4.34-22.el7.1.ppc64le.rpm
httpd24-httpd-tools-2.4.34-22.el7.1.ppc64le.rpm
httpd24-mod_ldap-2.4.34-22.el7.1.ppc64le.rpm
httpd24-mod_proxy_html-2.4.34-22.el7.1.ppc64le.rpm
httpd24-mod_session-2.4.34-22.el7.1.ppc64le.rpm
httpd24-mod_ssl-2.4.34-22.el7.1.ppc64le.rpm
s390x:
httpd24-httpd-2.4.34-22.el7.1.s390x.rpm
httpd24-httpd-debuginfo-2.4.34-22.el7.1.s390x.rpm
httpd24-httpd-devel-2.4.34-22.el7.1.s390x.rpm
httpd24-httpd-tools-2.4.34-22.el7.1.s390x.rpm
httpd24-mod_ldap-2.4.34-22.el7.1.s390x.rpm
httpd24-mod_proxy_html-2.4.34-22.el7.1.s390x.rpm
httpd24-mod_session-2.4.34-22.el7.1.s390x.rpm
httpd24-mod_ssl-2.4.34-22.el7.1.s390x.rpm
x86_64:
httpd24-httpd-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-debuginfo-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-devel-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-tools-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_ldap-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_proxy_html-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_session-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_ssl-2.4.34-22.el7.1.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source:
httpd24-httpd-2.4.34-22.el7.1.src.rpm
noarch:
httpd24-httpd-manual-2.4.34-22.el7.1.noarch.rpm
x86_64:
httpd24-httpd-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-debuginfo-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-devel-2.4.34-22.el7.1.x86_64.rpm
httpd24-httpd-tools-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_ldap-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_proxy_html-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_session-2.4.34-22.el7.1.x86_64.rpm
httpd24-mod_ssl-2.4.34-22.el7.1.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-2021-40438
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 2021 Red Hat, Inc.
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