- Issued:
- 2021-10-14
- Updated:
- 2021-10-14
RHSA-2021:3856 - Important: httpd security update
Synopsis
Important: httpd security update
Type/Severity
Security Advisory Important
Topic
An update for httpd is now available for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 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.
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.
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.
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 7.7 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 7.6 | x86_64 |
| Red Hat Enterprise Linux for Scientific Computing | 7 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux for Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 7 | s390x |
| Red Hat Enterprise Linux Workstation | 7 | x86_64 |
| Red Hat Enterprise Linux Server | 7 | x86_64 |
| Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions | 7.7 | ppc64le |
| Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions | 7.6 | ppc64le |
| Red Hat Enterprise Linux Server - TUS | 7.7 | x86_64 |
| Red Hat Enterprise Linux Server - TUS | 7.6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 7 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 7 | s390x |
| Red Hat Enterprise Linux Server - AUS | 7.7 | x86_64 |
| Red Hat Enterprise Linux Server - AUS | 7.6 | x86_64 |
| Red Hat Enterprise Linux Server - AUS | 7.4 | x86_64 |
| Red Hat Enterprise Linux Server - AUS | 7.3 | x86_64 |
| Red Hat Enterprise Linux Server - AUS | 7.2 | x86_64 |
| Red Hat Enterprise Linux Desktop | 7 | x86_64 |
Updated Packages
- mod_ssl-2.4.6-97.el7_9.1.x86_64.rpm
- mod_ldap-2.4.6-67.el7_4.7.x86_64.rpm
- httpd-2.4.6-97.el7_9.1.src.rpm
- httpd-devel-2.4.6-67.el7_4.7.x86_64.rpm
- mod_session-2.4.6-97.el7_9.1.x86_64.rpm
- mod_ssl-2.4.6-97.el7_9.1.s390x.rpm
- mod_proxy_html-2.4.6-89.el7_6.2.x86_64.rpm
- mod_session-2.4.6-97.el7_9.1.ppc64le.rpm
- httpd-devel-2.4.6-90.el7_7.1.x86_64.rpm
- httpd-tools-2.4.6-67.el7_4.7.x86_64.rpm
- mod_ssl-2.4.6-67.el7_4.7.x86_64.rpm
- httpd-debuginfo-2.4.6-89.el7_6.2.ppc64le.rpm
- httpd-2.4.6-67.el7_4.7.x86_64.rpm
- httpd-tools-2.4.6-90.el7_7.1.ppc64le.rpm
- httpd-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-tools-2.4.6-97.el7_9.1.s390x.rpm
- httpd-debuginfo-2.4.6-90.el7_7.1.ppc64le.rpm
- httpd-2.4.6-89.el7_6.2.src.rpm
- httpd-debuginfo-2.4.6-97.el7_9.1.s390x.rpm
- httpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm
- httpd-2.4.6-40.el7_2.7.x86_64.rpm
- mod_ldap-2.4.6-90.el7_7.1.x86_64.rpm
- mod_proxy_html-2.4.6-67.el7_4.7.x86_64.rpm
- mod_session-2.4.6-40.el7_2.7.x86_64.rpm
- mod_ssl-2.4.6-97.el7_9.1.ppc64le.rpm
- mod_proxy_html-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-manual-2.4.6-67.el7_4.7.noarch.rpm
- mod_ldap-2.4.6-97.el7_9.1.s390x.rpm
- mod_ldap-2.4.6-40.el7_2.7.x86_64.rpm
- httpd-2.4.6-90.el7_7.1.ppc64le.rpm
- mod_session-2.4.6-89.el7_6.2.x86_64.rpm
- mod_session-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-tools-2.4.6-90.el7_7.1.x86_64.rpm
- mod_ssl-2.4.6-45.el7_3.6.x86_64.rpm
- mod_proxy_html-2.4.6-90.el7_7.1.x86_64.rpm
- httpd-tools-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-2.4.6-97.el7_9.1.s390x.rpm
- mod_ldap-2.4.6-89.el7_6.2.ppc64le.rpm
- mod_ldap-2.4.6-97.el7_9.1.ppc64.rpm
- mod_session-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-2.4.6-97.el7_9.1.x86_64.rpm
- mod_session-2.4.6-89.el7_6.2.ppc64le.rpm
- httpd-tools-2.4.6-40.el7_2.7.x86_64.rpm
- httpd-devel-2.4.6-89.el7_6.2.ppc64le.rpm
- httpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm
- httpd-devel-2.4.6-97.el7_9.1.s390x.rpm
- httpd-devel-2.4.6-97.el7_9.1.x86_64.rpm
- mod_session-2.4.6-67.el7_4.7.x86_64.rpm
- mod_ssl-2.4.6-90.el7_7.1.x86_64.rpm
- httpd-devel-2.4.6-90.el7_7.1.ppc64le.rpm
- httpd-2.4.6-90.el7_7.1.x86_64.rpm
- httpd-devel-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-manual-2.4.6-89.el7_6.2.noarch.rpm
- mod_session-2.4.6-97.el7_9.1.s390x.rpm
- httpd-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-devel-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-debuginfo-2.4.6-97.el7_9.1.ppc64le.rpm
- httpd-tools-2.4.6-97.el7_9.1.ppc64le.rpm
- mod_ssl-2.4.6-40.el7_2.7.x86_64.rpm
- httpd-2.4.6-97.el7_9.1.ppc64le.rpm
- mod_proxy_html-2.4.6-40.el7_2.7.x86_64.rpm
- mod_ssl-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-2.4.6-90.el7_7.1.src.rpm
- httpd-2.4.6-45.el7_3.6.src.rpm
- httpd-manual-2.4.6-40.el7_2.7.noarch.rpm
- httpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-manual-2.4.6-90.el7_7.1.noarch.rpm
- httpd-manual-2.4.6-97.el7_9.1.noarch.rpm
- httpd-tools-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-manual-2.4.6-45.el7_3.6.noarch.rpm
- mod_ldap-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-debuginfo-2.4.6-40.el7_2.7.x86_64.rpm
- httpd-tools-2.4.6-97.el7_9.1.x86_64.rpm
- httpd-2.4.6-67.el7_4.7.src.rpm
- mod_ldap-2.4.6-97.el7_9.1.ppc64le.rpm
- httpd-2.4.6-89.el7_6.2.ppc64le.rpm
- httpd-tools-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-devel-2.4.6-40.el7_2.7.x86_64.rpm
- mod_proxy_html-2.4.6-97.el7_9.1.ppc64le.rpm
- httpd-debuginfo-2.4.6-67.el7_4.7.x86_64.rpm
- mod_proxy_html-2.4.6-97.el7_9.1.s390x.rpm
- mod_ssl-2.4.6-89.el7_6.2.ppc64le.rpm
- httpd-tools-2.4.6-89.el7_6.2.ppc64le.rpm
- mod_ldap-2.4.6-89.el7_6.2.x86_64.rpm
- httpd-debuginfo-2.4.6-97.el7_9.1.ppc64.rpm
- mod_ldap-2.4.6-90.el7_7.1.ppc64le.rpm
- mod_proxy_html-2.4.6-45.el7_3.6.x86_64.rpm
- mod_proxy_html-2.4.6-89.el7_6.2.ppc64le.rpm
- mod_session-2.4.6-90.el7_7.1.ppc64le.rpm
- mod_session-2.4.6-90.el7_7.1.x86_64.rpm
- mod_proxy_html-2.4.6-97.el7_9.1.x86_64.rpm
- httpd-2.4.6-40.el7_2.7.src.rpm
- mod_ssl-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-devel-2.4.6-97.el7_9.1.ppc64.rpm
- httpd-debuginfo-2.4.6-45.el7_3.6.x86_64.rpm
- httpd-devel-2.4.6-97.el7_9.1.ppc64le.rpm
- mod_proxy_html-2.4.6-90.el7_7.1.ppc64le.rpm
- mod_ldap-2.4.6-97.el7_9.1.x86_64.rpm
- mod_ssl-2.4.6-90.el7_7.1.ppc64le.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.