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Red Hat Enterprise Linux 7: RHSA-2022-0143 Important: HTTPD Security Fixes

red hat
Calendar Grey January 17, 2022
Dist Redhat Esm H88
Uncover the newest vital httpd security patch for CentOS, enhancing defense mechanisms and addressing vulnerabilities.
An update for httpd is now available for Red Hat Enterprise Linux 7

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.

Summary

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: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691)
* httpd: NULL pointer dereference via malformed requests (CVE-2021-34798)
* httpd: Out-of-bounds write in ap_escape_quotes() via malicious input (CVE-2021-39275)
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.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow security fix httpd important update impact

References

https://access.redhat.com/security/cve/CVE-2021-26691 https://access.redhat.com/security/cve/CVE-2021-34798 https://access.redhat.com/security/cve/CVE-2021-39275 https://access.redhat.com/security/cve/CVE-2021-44790 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client Optional (v. 7):
Source: httpd-2.4.6-97.el7_9.4.src.rpm
noarch: httpd-manual-2.4.6-97.el7_9.4.noarch.rpm
x86_64: httpd-2.4.6-97.el7_9.4.x86_64.rpm httpd-debuginfo-2.4.6-97.el7_9.4.x86_64.rpm httpd-devel-2.4.6-97.el7_9.4.x86_64.rpm httpd-tools-2.4.6-97.el7_9.4.x86_64.rpm mod_ldap-2.4.6-97.el7_9.4.x86_64.rpm mod_proxy_html-2.4.6-97.el7_9.4.x86_64.rpm mod_session-2.4.6-97.el7_9.4.x86_64.rpm mod_ssl-2.4.6-97.el7_9.4.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: httpd-2.4.6-97.el7_9.4.src.rpm
noarch: httpd-manual-2.4.6-97.el7_9.4.noarch.rpm
x86_64: httpd-2.4.6-97.el7_9.4.x86_64.rpm httpd-debuginfo-2.4.6-97.el7_9.4.x86_64.rpm httpd-devel-2.4.6-97.el7_9.4.x86_64.rpm httpd-tools-2.4.6-97.el7_9.4.x86_64.rpm mod_ldap-2.4.6-97.el7_9.4.x86_64.rpm mod_proxy_html-2.4.6-97.el7_9.4.x86_64.rpm mod_session-2.4.6-97.el7_9.4.x86_64.rpm mod_ssl-2.4.6-97.el7_9.4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: httpd-2.4.6-97.el7_9.4.src.rpm
noarch: httpd-manual-2.4.6-97.el7_9.4.noarch.rpm
ppc64: httpd-2.4.6-97.el7_9.4.ppc64.rpm httpd-debuginfo-2.4.6-97.el7_9.4.ppc64.rpm httpd-devel-2.4.6-97.el7_9.4.ppc64.rpm httpd-tools-2.4.6-97.el7_9.4.ppc64.rpm mod_session-2.4.6-97.el7_9.4.ppc64.rpm mod_ssl-2.4.6-97.el7_9.4.ppc64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0143-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0143
Issue date: 2022-01-17

Topic

An update for httpd is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow security fix httpd important update impact

Relevant Releases Architectures

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1966732 - CVE-2021-26691 httpd: mod_session: Heap overflow via a crafted SessionHeader value

2005119 - CVE-2021-39275 httpd: Out-of-bounds write in ap_escape_quotes() via malicious input

2005128 - CVE-2021-34798 httpd: NULL pointer dereference via malformed requests

2034674 - CVE-2021-44790 httpd: mod_lua: Possible buffer overflow when parsing multipart content

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