What is the severity of RHSA-2021:3856?

The severity of RHSA-2021:3856 is classified as moderate.

How do I fix RHSA-2021:3856?

You can fix RHSA-2021:3856 by updating the httpd package to version 2.4.6-97.el7_9.1 or later.

What vulnerabilities are addressed in RHSA-2021:3856?

RHSA-2021:3856 addresses a Server-Side Request Forgery (SSRF) vulnerability via a crafted request URI-path containing 'unix:' (CVE-2021-40438).

Which versions of httpd are affected by RHSA-2021:3856?

Affected versions include all httpd packages prior to 2.4.6-97.el7_9.1.

Is RHSA-2021:3856 related to Apache HTTP Server security?

Yes, RHSA-2021:3856 is a security advisory relevant to vulnerabilities in the Apache HTTP Server.

Vulnerability/
RHSA-2021:3856

CWE

918

14/10/2021

20/6/2024

RHSA-2021:3856: Important: httpd security update

First published: Thu Oct 14 2021(Updated: )

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.<br>Security Fix(es):<br><li> httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:" (CVE-2021-40438)</li> 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.

Affected Software	Affected Version	How to fix
redhat/httpd	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-debuginfo	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-devel	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-manual	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-tools	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-debuginfo	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-devel	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-manual	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-tools	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-debuginfo	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-devel	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-manual	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-tools	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd-debuginfo	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd-devel	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd-manual	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd-tools	<2.4.6-67.el7_4.7	2.4.6-67.el7_4.7
redhat/httpd	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd-debuginfo	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd-devel	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd-manual	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd-tools	<2.4.6-45.el7_3.6	2.4.6-45.el7_3.6
redhat/httpd	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd-debuginfo	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd-devel	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd-manual	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd-tools	<2.4.6-40.el7_2.7	2.4.6-40.el7_2.7
redhat/httpd-debuginfo	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-devel	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-tools	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-debuginfo	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-devel	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd-tools	<2.4.6-97.el7_9.1	2.4.6-97.el7_9.1
redhat/httpd	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-debuginfo	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-devel	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd-tools	<2.4.6-90.el7_7.1	2.4.6-90.el7_7.1
redhat/httpd	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-debuginfo	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-devel	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2
redhat/httpd-tools	<2.4.6-89.el7_6.2	2.4.6-89.el7_6.2

Never miss a vulnerability like this again

Reference Links

https://access.redhat.com/errata/RHSA-2021:3856 (Advisory)

Frequently Asked Questions

What is the severity of RHSA-2021:3856?
The severity of RHSA-2021:3856 is classified as moderate.
How do I fix RHSA-2021:3856?
You can fix RHSA-2021:3856 by updating the httpd package to version 2.4.6-97.el7_9.1 or later.
What vulnerabilities are addressed in RHSA-2021:3856?
RHSA-2021:3856 addresses a Server-Side Request Forgery (SSRF) vulnerability via a crafted request URI-path containing 'unix:' (CVE-2021-40438).
Which versions of httpd are affected by RHSA-2021:3856?
Affected versions include all httpd packages prior to 2.4.6-97.el7_9.1.
Is RHSA-2021:3856 related to Apache HTTP Server security?
Yes, RHSA-2021:3856 is a security advisory relevant to vulnerabilities in the Apache HTTP Server.

agent/severity
agent/type
agent/softwarecombine
agent/last-modified-date
agent/first-publish-date
agent/remedy
agent/title
agent/weakness
agent/references
agent/description
agent/tags
agent/event
collector/redhat-errata
source/Red Hat
anchor-id/RHSA-2021:3856
agent/software-canonical-lookup
package-manager/redhat

RHSA-2021:3856: Important: httpd security update

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of RHSA-2021:3856?

How do I fix RHSA-2021:3856?

What vulnerabilities are addressed in RHSA-2021:3856?

Which versions of httpd are affected by RHSA-2021:3856?

Is RHSA-2021:3856 related to Apache HTTP Server security?

Company

Resources

Contact

Frequently Asked Questions

What is the severity of RHSA-2021:3856?

How do I fix RHSA-2021:3856?

What vulnerabilities are addressed in RHSA-2021:3856?

Which versions of httpd are affected by RHSA-2021:3856?

Is RHSA-2021:3856 related to Apache HTTP Server security?