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"release_date": "2024-07-08T00:00:00Z"}, {"advisory": "RHSA-2024:2694", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "jbcs-httpd24-httpd", "product_name": "Text-Only JBCS", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2694", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "jbcs-httpd24-mod_http2", "product_name": "Text-Only JBCS", "release_date": "2024-05-07T00:00:00Z"}, {"advisory": "RHSA-2024:2694", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "jbcs-httpd24-nghttp2", "product_name": "Text-Only JBCS", "release_date": "2024-05-07T00:00:00Z"}], "bugzilla": {"description": "httpd: CONTINUATION frames DoS", "id": "2268277", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268277"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.", "A vulnerability was found in how Apache httpd implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated remote attacker to send packets to vulnerable servers, which could use up memory resources to cause a Denial of Service."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. 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"product_name": "Migration Toolkit for Runtimes"}, {"cpe": "cpe:/a:redhat:multicluster_engine", "fix_state": "Not affected", "package_name": "multicluster-engine/console-mce-rhel9", "product_name": "Multicluster Engine for Kubernetes"}, {"cpe": "cpe:/a:redhat:multicluster_engine", "fix_state": "Not affected", "package_name": "multicluster-engine/multicluster-engine-console-mce-rhel9", "product_name": "Multicluster Engine for Kubernetes"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:6.0", "fix_state": "Affected", "package_name": "rh-dotnet60-dotnet", "product_name": ".NET 6.0 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Will not fix", "package_name": "jenkins", "product_name": "OpenShift Developer Tools and Services"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Affected", "package_name": "3scale-amp-backend-container", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/console-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:advanced_cluster_security:3", "fix_state": "Will not fix", "package_name": "advanced-cluster-security/rhacs-main-rhel8", "product_name": "Red Hat Advanced Cluster Security 3"}, {"cpe": "cpe:/a:redhat:advanced_cluster_security:4", "fix_state": "Will not fix", "package_name": "advanced-cluster-security/rhacs-main-rhel8", "product_name": "Red Hat Advanced Cluster Security 4"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:3", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Apache Camel for Spring Boot 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:rhboac_hawtio:4", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:debezium:2", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of Debezium 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "HTTP-2", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:optaplanner:::el6", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat build of OptaPlanner 8"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "HTTP-2", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libmicrohttpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "keycloak-httpd-client-install", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libmicrohttpd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet6.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet6.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat Integration Camel K 1"}, {"cpe": "cpe:/a:redhat:camel_quarkus:2", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat Integration Camel Quarkus 2"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Affected", "package_name": "mod_http2", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Affected", "package_name": "nghttp2", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Affected", "package_name": "HTTP-2", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "HTTP-2", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "jenkins", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift_data_science", "fix_state": "Affected", "package_name": "rhods/odh-dashboard-rhel8", "product_name": "Red Hat OpenShift Data Science (RHODS)"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3:", "fix_state": "Affected", "package_name": "devspaces/code-rhel8", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3:", "fix_state": "Affected", "package_name": "devspaces/pluginregistry-rhel8", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "HTTP-2", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "netty-codec-http2", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:service_interconnect:1", "fix_state": "Will not fix", "package_name": "libwebsockets", "product_name": "Red Hat Service Interconnect 1"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Will not fix", "package_name": "HTTP-2", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "httpd24-httpd", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "httpd24-nghttp2", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:amq_streams:1", "fix_state": "Will not fix", "package_name": "HTTP-2", "product_name": "streams for Apache Kafka"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27316\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27316\nhttps://httpd.apache.org/security/vulnerabilities_24.html\nhttps://nowotarski.info/http2-continuation-flood/\nhttps://www.kb.cert.org/vuls/id/421644"], "statement": "Red Hat rates the security impact of this vulnerability as Moderate, in alignment with upstream Apache. The worst case scenario is memory exhaustion causing a denial of service. Once an attack has ended, the system should return to normal operations on its own.\nThis vulnerability stems from an imperfect definition of the HTTP/2 protocol. As the httpd component is widely utilized across nearly every major Red Hat offering, a full listing of impacted packages will not be provided. Therefore, the \u201cAffected Packages and Issued Red Hat Security Errata\u201d section contains a simplified list of what offerings need to remediate this vulnerability. Every impacted offering has at least one representative component listed, but potentially not all of them.", "threat_severity": "Moderate"}