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Red Hat 8 RHSA-2021-1809-01 Moderate Threat: httpd Security Fix

red hat
Calendar Grey May 18, 2021
Dist Redhat Esm H88
Current advisory notifications focus on enhancements and patches to the httpd service in Red Hat Enterprise Linux, promoting consistent performance.
An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8

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_session_cookie does not respect expiry time (CVE-2018-17199)
* httpd: mod_proxy_uwsgi buffer overflow (CVE-2020-11984)
* httpd: mod_http2 concurrent pool usage (CVE-2020-11993)
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 8.4 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat bug fix apache security fix Red Hat Enterprise Linux moderate severity httpd security impact threat mitigation httpd module

References

https://access.redhat.com/security/cve/CVE-2018-17199 https://access.redhat.com/security/cve/CVE-2020-11984 https://access.redhat.com/security/cve/CVE-2020-11993 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.src.rpm mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.src.rpm mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.src.rpm
aarch64: httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm httpd-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm httpd-debugsource-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm httpd-devel-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm httpd-tools-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm httpd-tools-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.aarch64.rpm mod_http2-debuginfo-1.15.7-3.module+el8.4.0+8625+d397f3da.aarch64.rpm mod_http2-debugsource-1.15.7-3.module+el8.4.0+8625+d397f3da.aarch64.rpm mod_ldap-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm mod_ldap-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.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-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm mod_proxy_html-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:1809-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1809
Issue date: 2021-05-18

Topic

An update for the httpd:2.4 module is now available for Red Hat EnterpriseLinux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat bug fix apache security fix Red Hat Enterprise Linux moderate severity httpd security impact threat mitigation httpd module

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1651376 - centralizing default index.html for httpd

1668493 - CVE-2018-17199 httpd: mod_session_cookie does not respect expiry time

1680118 - unorderly connection close when client attempts renegotiation

1847585 - mod_ldap: High CPU usage at apr_ldap_rebind_remove()

1866563 - CVE-2020-11984 httpd: mod_proxy_uwsgi buffer overflow

1866564 - CVE-2020-11993 httpd: mod_http2 concurrent pool usage

1872828 - httpd: typo in htpasswd, contained in httpd-tools package

1875844 - mod_cgid takes CGIDScriptTimeout x 2 seconds for timeout

1891594 - only one url is displayed using "htcacheclean -p . -A" when there are >= 2 files in one subdirectory

1891829 - mod_proxy_hcheck Doesn't perform checks when in a balancer

1918741 - Thousands of /tmp/modproxy.tmp.* files created by apache

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