RedHat: RHSA-2021-1809:01 Moderate: httpd:2.4 security, bug fix,
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.
Summary
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.
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
mod_session-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm
mod_session-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm
mod_ssl-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm
mod_ssl-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.aarch64.rpm
noarch:
httpd-filesystem-2.4.37-39.module+el8.4.0+9658+b87b2deb.noarch.rpm
httpd-manual-2.4.37-39.module+el8.4.0+9658+b87b2deb.noarch.rpm
ppc64le:
httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
httpd-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
httpd-debugsource-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
httpd-devel-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
httpd-tools-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
httpd-tools-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.ppc64le.rpm
mod_http2-debuginfo-1.15.7-3.module+el8.4.0+8625+d397f3da.ppc64le.rpm
mod_http2-debugsource-1.15.7-3.module+el8.4.0+8625+d397f3da.ppc64le.rpm
mod_ldap-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_ldap-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.ppc64le.rpm
mod_proxy_html-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_proxy_html-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_session-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_session-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_ssl-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
mod_ssl-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.ppc64le.rpm
s390x:
httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
httpd-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
httpd-debugsource-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
httpd-devel-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
httpd-tools-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
httpd-tools-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.s390x.rpm
mod_http2-debuginfo-1.15.7-3.module+el8.4.0+8625+d397f3da.s390x.rpm
mod_http2-debugsource-1.15.7-3.module+el8.4.0+8625+d397f3da.s390x.rpm
mod_ldap-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_ldap-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.s390x.rpm
mod_proxy_html-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_proxy_html-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_session-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_session-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_ssl-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
mod_ssl-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.s390x.rpm
x86_64:
httpd-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
httpd-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
httpd-debugsource-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
httpd-devel-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
httpd-tools-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
httpd-tools-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da.x86_64.rpm
mod_http2-debuginfo-1.15.7-3.module+el8.4.0+8625+d397f3da.x86_64.rpm
mod_http2-debugsource-1.15.7-3.module+el8.4.0+8625+d397f3da.x86_64.rpm
mod_ldap-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_ldap-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_md-debuginfo-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_md-debugsource-2.0.8-8.module+el8.3.0+6814+67d1e611.x86_64.rpm
mod_proxy_html-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_proxy_html-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_session-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_session-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_ssl-2.4.37-39.module+el8.4.0+9658+b87b2deb.x86_64.rpm
mod_ssl-debuginfo-2.4.37-39.module+el8.4.0+9658+b87b2deb.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/
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.
Topic
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