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This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "Missing Release of Memory after Effective Lifetime"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-11-07T18:44:40.524Z"}, "x_redhatCweChain": "CWE-401: Missing Release of Memory after Effective Lifetime"}}, "cveMetadata": {"cveId": "CVE-2024-3653", "state": "PUBLISHED", "dateUpdated": "2025-11-07T18:44:40.524Z", "dateReserved": "2024-04-11T04:14:52.345Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2024-07-08T21:21:20.899Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Undertow. Este problema requiere habilitar el controlador de aprendizaje-push en la configuraci\u00f3n del servidor, que est\u00e1 deshabilitado de forma predeterminada, dejando la configuraci\u00f3n maxAge en el controlador sin configurar. El valor predeterminado es -1, lo que hace que el controlador sea vulnerable. Si alguien sobrescribe esa configuraci\u00f3n, el servidor no est\u00e1 sujeto al ataque. El atacante debe poder llegar al servidor con una solicitud HTTP normal."}], "id": "CVE-2024-3653", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2024-07-08T22:15:02.527", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:4392"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:5143"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:5144"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:5145"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:5147"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:6437"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2024-3653"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2274437"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:4392"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/security/cve/CVE-2024-3653"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2274437"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240828-0002/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Keke Lian, Haoran Zhao, and Yongheng Liu (Secsys Lab of Fudan University) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:6437", "cpe": "cpe:/a:redhat:quarkus:3.8::el8", "package": "io.quarkus.http/quarkus-http-core:5.2.4.redhat-00001", "product_name": "Red Hat build of Quarkus 3.8.6.redhat", "release_date": "2024-09-23T00:00:00Z"}, {"advisory": "RHSA-2024:5147", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.4", "package": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform 7", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5144", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.4::el8", "package": "eap7-undertow-0:2.2.33-1.SP1_redhat_00001.1.el8eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5145", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.4::el9", "package": "eap7-undertow-0:2.2.33-1.SP1_redhat_00001.1.el9eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5143", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7.4::el7", "package": "eap7-undertow-0:2.2.33-1.SP1_redhat_00001.1.el7eap", "product_name": "Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:4392", "cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8.0", "package": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform 8", "release_date": "2024-07-08T00:00:00Z"}], "bugzilla": {"description": "undertow: LearningPushHandler can lead to remote memory DoS attacks", "id": "2274437", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2274437"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-401", "details": ["A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request.", "A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request."], "mitigation": {"lang": "en:us", "value": "Setting the maxAge configuration is sufficient to prevent the behavior of this vulnerability being explored."}, "name": "CVE-2024-3653", "package_state": [{"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Fix deferred", "package_name": "undertow", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Fix deferred", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:apache_camel_hawtio:4", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:optaplanner:::el6", "fix_state": "Fix deferred", "package_name": "undertow", "product_name": "Red Hat build of OptaPlanner 8"}, {"cpe": "cpe:/a:redhat:quarkus:2", "fix_state": "Affected", "package_name": "io.quarkus/quarkus-undertow", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat Integration Camel K 1"}, {"cpe": "cpe:/a:redhat:camel_quarkus:2", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat Integration Camel Quarkus 2"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "undertow", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:amq_streams:1", "fix_state": "Affected", "package_name": "undertow", "product_name": "streams for Apache Kafka"}], "public_date": "2024-07-08T20:53:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-3653\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-3653"], "statement": "Red Hat rates this as a Low impact vulnerability since the attacker needs to perform HTTP requests and the server must have incomplete configuration settings.", "threat_severity": "Low"}

{}