{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for tomcat","title":"Title of the patch"},{"category":"description","text":"This update for tomcat fixes the following issues:\n\t  \nTomcat was updated to 9.0.36 See changelog at\n\n- CVE-2020-11996: Fixed an issue which by sending a specially crafted sequence of HTTP/2 requests could have triggered high CPU\n  usage for several seconds making potentially the server unresponsive (bsc#1173389).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2020-1983,SUSE-SLE-Module-Web-Scripting-15-SP2-2020-1983","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_1983-1.json"},{"category":"self","summary":"URL for SUSE-SU-2020:1983-1","url":"https://www.suse.com/support/update/announcement/2020/suse-su-20201983-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2020:1983-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2020-July/007165.html"},{"category":"self","summary":"SUSE Bug 1173389","url":"https://bugzilla.suse.com/1173389"},{"category":"self","summary":"SUSE CVE CVE-2020-11996 page","url":"https://www.suse.com/security/cve/CVE-2020-11996/"}],"title":"Security update for tomcat","tracking":{"current_release_date":"2020-07-21T06:31:50Z","generator":{"date":"2020-07-21T06:31:50Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2020:1983-1","initial_release_date":"2020-07-21T06:31:50Z","revision_history":[{"date":"2020-07-21T06:31:50Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"tomcat-9.0.36-3.3.1.noarch","product":{"name":"tomcat-9.0.36-3.3.1.noarch","product_id":"tomcat-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-admin-webapps-9.0.36-3.3.1.noarch","product":{"name":"tomcat-admin-webapps-9.0.36-3.3.1.noarch","product_id":"tomcat-admin-webapps-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-docs-webapp-9.0.36-3.3.1.noarch","product":{"name":"tomcat-docs-webapp-9.0.36-3.3.1.noarch","product_id":"tomcat-docs-webapp-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-el-3_0-api-9.0.36-3.3.1.noarch","product":{"name":"tomcat-el-3_0-api-9.0.36-3.3.1.noarch","product_id":"tomcat-el-3_0-api-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-embed-9.0.36-3.3.1.noarch","product":{"name":"tomcat-embed-9.0.36-3.3.1.noarch","product_id":"tomcat-embed-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-javadoc-9.0.36-3.3.1.noarch","product":{"name":"tomcat-javadoc-9.0.36-3.3.1.noarch","product_id":"tomcat-javadoc-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch","product":{"name":"tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch","product_id":"tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-jsvc-9.0.36-3.3.1.noarch","product":{"name":"tomcat-jsvc-9.0.36-3.3.1.noarch","product_id":"tomcat-jsvc-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-lib-9.0.36-3.3.1.noarch","product":{"name":"tomcat-lib-9.0.36-3.3.1.noarch","product_id":"tomcat-lib-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","product":{"name":"tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","product_id":"tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch"}},{"category":"product_version","name":"tomcat-webapps-9.0.36-3.3.1.noarch","product":{"name":"tomcat-webapps-9.0.36-3.3.1.noarch","product_id":"tomcat-webapps-9.0.36-3.3.1.noarch"}}],"category":"architecture","name":"noarch"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2","product":{"name":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2","product_id":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-web-scripting:15:sp2"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"tomcat-9.0.36-3.3.1.noarch as component of SUSE Linux Enterprise Module for Web and Scripting 15 SP2","product_id":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-9.0.36-3.3.1.noarch"},"product_reference":"tomcat-9.0.36-3.3.1.noarch","relates_to_product_reference":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2"},{"category":"default_component_of","full_product_name":{"name":"tomcat-admin-webapps-9.0.36-3.3.1.noarch as component of SUSE Linux Enterprise Module for Web and Scripting 15 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SP2:tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch"},"product_reference":"tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","relates_to_product_reference":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2"},{"category":"default_component_of","full_product_name":{"name":"tomcat-webapps-9.0.36-3.3.1.noarch as component of SUSE Linux Enterprise Module for Web and Scripting 15 SP2","product_id":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-webapps-9.0.36-3.3.1.noarch"},"product_reference":"tomcat-webapps-9.0.36-3.3.1.noarch","relates_to_product_reference":"SUSE Linux Enterprise Module for Web and Scripting 15 SP2"}]},"vulnerabilities":[{"cve":"CVE-2020-11996","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2020-11996"}],"notes":[{"category":"general","text":"A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-admin-webapps-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-el-3_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-lib-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-webapps-9.0.36-3.3.1.noarch"]},"references":[{"category":"external","summary":"CVE-2020-11996","url":"https://www.suse.com/security/cve/CVE-2020-11996"},{"category":"external","summary":"SUSE Bug 1173389 for CVE-2020-11996","url":"https://bugzilla.suse.com/1173389"},{"category":"external","summary":"SUSE Bug 1201081 for CVE-2020-11996","url":"https://bugzilla.suse.com/1201081"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-admin-webapps-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-el-3_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-lib-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-webapps-9.0.36-3.3.1.noarch"]}],"scores":[{"cvss_v3":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"products":["SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-admin-webapps-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-el-3_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-jsp-2_3-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-lib-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-servlet-4_0-api-9.0.36-3.3.1.noarch","SUSE Linux Enterprise Module for Web and Scripting 15 SP2:tomcat-webapps-9.0.36-3.3.1.noarch"]}],"threats":[{"category":"impact","date":"2020-07-21T06:31:50Z","details":"moderate"}],"title":"CVE-2020-11996"}]}