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Red Hat Enterprise Linux 8.1: RHSA-2021-3837-01 Important SSRF Fix

An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: httpd:2.4 security update Advisory ID: RHSA-2021:3837-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3837 Issue date: 2021-10-13 CVE Names: CVE-2021-40438 ==================================================================== 1. Summary: An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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 EUS (v. 8.1) - 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_proxy: SSRF via a crafted request uri-path containing "unix:" (CVE-2021-40438) 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. 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/): 2005117 - CVE-2021-40438 httpd: mod_proxy:SSRF via a crafted request uri-path containing "unix:" 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.8.1): Source: httpd-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.src.rpm mod_http2-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.src.rpm aarch64: httpd-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm httpd-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm httpd-debugsource-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm httpd-devel-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm httpd-tools-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm httpd-tools-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_http2-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.aarch64.rpm mod_http2-debuginfo-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.aarch64.rpm mod_http2-debugsource-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.aarch64.rpm mod_ldap-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_ldap-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_md-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_md-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_proxy_html-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_proxy_html-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_session-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_session-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_ssl-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm mod_ssl-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.aarch64.rpm noarch: httpd-filesystem-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.noarch.rpm httpd-manual-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.noarch.rpm ppc64le: httpd-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm httpd-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm httpd-debugsource-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm httpd-devel-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm httpd-tools-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm httpd-tools-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_http2-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le.rpm mod_http2-debuginfo-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le.rpm mod_http2-debugsource-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le.rpm mod_ldap-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_ldap-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_md-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_md-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_proxy_html-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_proxy_html-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_session-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_session-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_ssl-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm mod_ssl-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.ppc64le.rpm s390x: httpd-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm httpd-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm httpd-debugsource-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm httpd-devel-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm httpd-tools-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm httpd-tools-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_http2-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.s390x.rpm mod_http2-debuginfo-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.s390x.rpm mod_http2-debugsource-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.s390x.rpm mod_ldap-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_ldap-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_md-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_md-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_proxy_html-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_proxy_html-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_session-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_session-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_ssl-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm mod_ssl-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.s390x.rpm x86_64: httpd-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm httpd-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm httpd-debugsource-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm httpd-devel-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm httpd-tools-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm httpd-tools-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_http2-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64.rpm mod_http2-debuginfo-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64.rpm mod_http2-debugsource-1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64.rpm mod_ldap-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_ldap-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_md-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_md-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_proxy_html-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_proxy_html-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_session-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_session-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_ssl-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.x86_64.rpm mod_ssl-debuginfo-2.4.37-16.module+el8.1.0+12900+7e6e5641.1.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-2021-40438 https://access.redhat.com/security/updates/classification/#important 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: GnuPGv1 iQIVAwUBYWaJOdzjgjWX9erEAQjH/A/+IjMnqiKvR2A7TcoHRIQHZQypW285erab 41zwx6MsxDMkjShjDE49ESB4qEuuC1wJ7rGkiKtYUwjIOjf4CDAHMDxFcAmw7pCj 366W0iziBrs8Pgl0/wFIni5X/bEyKUJQowz5o7GF28WhtxFW/ZeRHFwDbd2hbIRl y6aLVqw+gn0RzK5BG3hGL6k2wgCIvf+3snamJrN60rnfFeVVvzjmE+G8A0yKrUsC QWz8d46BWz7aaH349cGfSvifbBZuwlK26A8VTt+tDfPd+6U/0qz7iFIa5oekWA5N BjDEI1u8vaR5Bg36nt+9sDuErGfqEnhLwBWMorKZ3nbUhPs9qHArbYxriXwHhH5g 21DU/Xo5nK8rHEQatkK8UmCZiG6tblOS0BWpbSq/ep/7gdGnqkFDoPidfVkjn8sd 9Rq5qEVnGWwcy5KBwzzE2DkfYCFlnZw4/P/VhbZiZGS9UT5MIkHXGzHMmgwB9RGm KSx3Ni5L7cWaKWTtOvzqSsF6skOuGTGOrg+dL6dE/MXocQdBpwDx4M2bOR7ZyQnS ncgP1kbp+mPHwi6EIsE9GSYqDhBFogStn3hyGmFUZjX1AiH6h031ynscV0IEeuHg cuIgy9Sjt0gprzwxdzFSOzNoGaUUC5/M5UHqjnCQIm5N1Nd187lwQmN6IUsD0jjJ UxmNeLWcjWo=Ucp3 -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . The httpd:2.4 module has received a critical update to address SSRF vulnerabilities, classified as High Priority by Red Hat for Red Hat Enterprise Linux.. httpd Security Update, Red Hat Security Advisory, SSRF Threat Update. . Severity: Important. LinuxSecurity.com Team

Oct 13, 2021 •Important Red Hat