Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3872 httpd:2.4 security, bug fix, and enhancement update 6 November 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: httpd:2.4 Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Provide Misleading Information -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-1934 CVE-2020-1927 CVE-2019-10098 CVE-2019-10097 CVE-2019-10092 CVE-2019-10082 CVE-2019-10081 CVE-2019-0197 CVE-2019-0196 CVE-2018-17189 Reference: ASB-2020.0186 ASB-2020.0031 ESB-2020.3373 ESB-2020.2988 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:4751 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: httpd:2.4 security, bug fix, and enhancement update Advisory ID: RHSA-2020:4751-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4751 Issue date: 2020-11-03 CVE Names: CVE-2018-17189 CVE-2019-0196 CVE-2019-0197 CVE-2019-10081 CVE-2019-10082 CVE-2019-10092 CVE-2019-10097 CVE-2019-10098 CVE-2020-1927 CVE-2020-1934 ===================================================================== 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. The following packages have been upgraded to a later upstream version: mod_http2 (1.15.7). (BZ#1814236) Security Fix(es): * httpd: memory corruption on early pushes (CVE-2019-10081) * httpd: read-after-free in h2 connection shutdown (CVE-2019-10082) * httpd: null-pointer dereference in mod_remoteip (CVE-2019-10097) * httpd: mod_rewrite configurations vulnerable to open redirect (CVE-2020-1927) * httpd: mod_http2: DoS via slow, unneeded request bodies (CVE-2018-17189) * httpd: mod_http2: read-after-free on a string compare (CVE-2019-0196) * httpd: mod_http2: possible crash on late upgrade (CVE-2019-0197) * httpd: limited cross-site scripting in mod_proxy error page (CVE-2019-10092) * httpd: mod_rewrite potential open redirect (CVE-2019-10098) * httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934) 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 8.3 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/): 1209162 - RFE: CustomLog should be able to use journald 1668497 - CVE-2018-17189 httpd: mod_http2: DoS via slow, unneeded request bodies 1695030 - CVE-2019-0196 httpd: mod_http2: read-after-free on a string compare 1695042 - CVE-2019-0197 httpd: mod_http2: possible crash on late upgrade 1743956 - CVE-2019-10092 httpd: limited cross-site scripting in mod_proxy error page 1743959 - CVE-2019-10098 httpd: mod_rewrite potential open redirect 1743966 - CVE-2019-10081 httpd: memory corruption on early pushes 1743974 - CVE-2019-10082 httpd: read-after-free in h2 connection shutdown 1743996 - CVE-2019-10097 httpd: null-pointer dereference in mod_remoteip 1771847 - BalancerMember ping parameter for mod_proxy_http doesn't work 1814236 - RFE: mod_http2 rebase 1820761 - CVE-2020-1927 httpd: mod_rewrite configurations vulnerable to open redirect 1820772 - CVE-2020-1934 httpd: mod_proxy_ftp use of uninitialized value 1832844 - mod_md does not work with ACME server that does not provide keyChange or revokeCert resources 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.src.rpm mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.src.rpm mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611.src.rpm aarch64: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.aarch64.rpm mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.aarch64.rpm noarch: httpd-filesystem-2.4.37-30.module+el8.3.0+7001+0766b9e7.noarch.rpm httpd-manual-2.4.37-30.module+el8.3.0+7001+0766b9e7.noarch.rpm ppc64le: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.ppc64le.rpm mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.ppc64le.rpm s390x: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.s390x.rpm mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.s390x.rpm x86_64: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm httpd-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm httpd-debugsource-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm httpd-devel-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm httpd-tools-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm mod_http2-debuginfo-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm mod_http2-debugsource-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64.rpm mod_ldap-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_ldap-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_proxy_html-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_session-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_session-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_ssl-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64.rpm mod_ssl-debuginfo-2.4.37-30.module+el8.3.0+7001+0766b9e7.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-2018-17189 https://access.redhat.com/security/cve/CVE-2019-0196 https://access.redhat.com/security/cve/CVE-2019-0197 https://access.redhat.com/security/cve/CVE-2019-10081 https://access.redhat.com/security/cve/CVE-2019-10082 https://access.redhat.com/security/cve/CVE-2019-10092 https://access.redhat.com/security/cve/CVE-2019-10097 https://access.redhat.com/security/cve/CVE-2019-10098 https://access.redhat.com/security/cve/CVE-2020-1927 https://access.redhat.com/security/cve/CVE-2020-1934 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6I2hdzjgjWX9erEAQh5Wg/+INDn/huSb0llF5N9XTELTR8DzjC0G6db q/U4v6g4g386nFrEz9KefS36RGB69v/z/qBqc/IeVgWHytYny3PD4Cl3w47LXU2z +QwCs/bv6HBgNkpsZNHMQtWQ69ZqgY93bSswlt7OZ29Rg6o0E5kFqhdET8DT6SRN EevI9Rs1BrP0nMzLyv7PPe7OWGM4GKUXRLbD4s3zScUaOvEaBOOF6YCRwGSCU1K2 jdP3ePLAyB/bmzoXooMURQYaUHCG51Imog/WZCYxjBE8WWlIA8OIz8sl/aMfpxuE 0x30f9ekA/g3ILhBAbijhLvl1o2FDU1FbZPubmWDpq0W9Oa1jy41l8rzCGHDvGKp Ba5e3R2Y9Q73l5NhaTp/x/ciszFyYi7KgInDNgyP0uFR9sNLCWf89fxFsjsaFQU+ qbnUjzH5ArsfjpbOCsgkg4I5MMzrZ337NIZFVxEIMrTym2nM/wO+XKVlOLdWlbro nwjULSbLuCTPSwgRx+qhdCc6m6eX0sLErCfV4WLE9gR0yKOeB3/c7wdElwVvw3BE Pl7rB2oifWXeN2kiLNDGMjXve+k1HdA0AdDDf7trPnaX21ErzeyoqaEYFoUiy2Z5 ACfjHOWyZ947v9B5q8xDMEf/mZluttsB034i5BlS+P8a23VU1F9EKytzOCvKDLtR 7zH+CUUMqjo= =zHaQ - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX6SjzONLKJtyKPYoAQjgkA//Q8lqoRMY3a42IuO8JCKibsxCEAGABj2h I26hf09IxTPr9jp1MCIn1yYBbts3ntaunCb2qnC12ie9bHVRjENlLvI2+gojh8TI fKGBPsh4Tflf4XE6rfvj0PTjbCMxTmjXlBaPILAQ9Eva3VTb8Qq4mgS56bM1DVQW X8X8rRZeOYiOC51kuTh7oDhozsJ/JMQ5wWqTESJDX52kw8JDaCzi+Rp6N3iDRIA8 USq0NVk3olmcaeRlxyWhUW8nX7e8NLrfM+KxvWQivH4Hzkyx9hpKp9UpTQmlMUuZ aZ0/iqezlQCbci8CELuewD593sHow1kvLhGJ2yK5b0JzwFwR4bF9sSu60s99736X EZ3THShktcPAeMD5tIN278edeWJl2Q3391/Tpmfe7yyZZ0LHBNjYYk7gvp933GMK kQVvIFcydEn4gj1G8E7dZJ/LgThG+ebj4JMPui8nhdo0PCySao0ITgZX+n6Vr1Od 74nCnTbYaO3YGTI+aj98lfeVKDTNjLDJyvKm5pBOsAbG0prI3F6llt93yDQUKQZi CKrSTWqhFfCTDlbx6DcIvg+DgDehrzys/1WFvYVGr2GcgNauUjDl+AHa8l93T/fB Q6uf899bxmTsBly5eBLz2goharXp/YhJxpDTUTiNE7H4+wdqtKgPNnaGIgdOFyD3 /4UOlo3Qso0= =NlLa -----END PGP SIGNATURE-----