-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: httpd:2.4 security, bug fix, and enhancement update 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 CVE Names: CVE-2018-17199 CVE-2020-11984 CVE-2020-11993 ==================================================================== 1. Summary: An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: 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. 4. 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. 5. Bugs fixed (https://bugzilla.redhat.com/): 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 6. 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/ 7. 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/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYKPvGdzjgjWX9erEAQiwuA/+K6VjNsG8d/4uew5O3seZWhzo0csDvWRo RlGDKiGyvDZvWpfkDAl3tJlhWqz6RzWprAE6nUcLZArfnKGkgPNW8NXJkgjElj4Y O6QmgP85huqhWY5ACfhQR98ej8EPxDFnkgEDHIJC2pf24ERp0b4hfwsfVjZEwu1D iGYzOWfIsYDgW0+fUDGdK1buTKvY8LMjMNhy3/LwT95oUpXeZ4Wg30WZDnJoj6bG EbDB8e+cFcnBbejDRsUIve1bhLI6radRI+xrprCaqDA6B0LPUug9+/Nq5lwF7lE0 WDW/YsGe30rwFJ0HcjghUAWSo54CFHnzDZI2Xls5Ln8dwEwrRdWcg1BLDNDIHQuf uYldfFdN8B3zNYZeNVHkyNUEQeTpQaZwThmwkj5dSOAWjPFreWMhULdN3LlYWz33 tZ4+xSiwBI2vTvwNPfchiGK4ruH2dprym/n/l/JfIFL+qryh5WI2KrNlm4YqnWN7 zAzrhvcKo56HVjgZmon8AWmDrWjI8K7Sv32R14Q4s6Jg78M1jO//Vfh/kKl9tJDn 34C48FhX8MJKvCzIJkQ+/u59odYpdGQcp76AlRjyz5YoNwsEerCCRNs5J7dravyQ XIwjuzV7sYptwAeKOukHf9LQNAxsYVrLVtws6OVkn9YFmn+YO12PSpW8rch+pfLO jihXhv9IzX4=OgGq -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce