CVE-2018-12121

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Attack potential is mitigated by the use of a load balancer or other proxy layer."}, {"lang": "es", "value": "Node.js: Todas las versiones anteriores a la 6.15.0, 8.14.0, 10.14.0 y 11.3.0: Denegaci\u00f3n de servicio (DoS) con cabeceras HTTP grandes. Mediante la combinaci\u00f3n de muchas peticiones con cabeceras de tama\u00f1o m\u00e1ximo (casi 80 KB por conexi\u00f3n) y al terminar a su debido tiempo las cabeceras, es posible provocar que el servidor HTTP aborte el fallo de asignaci\u00f3n de memoria din\u00e1mica (heap). El potencial del ataque se ve mitigado por el uso de un balance de carga u otra capa del proxy."}], "id": "CVE-2018-12121", "lastModified": "2026-10-08T22:16:44.877", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2018-12121", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T21:06:23.510657Z", "version": "2.0.3"}}]}, "published": "2018-11-28T17:29:00.337", "references": [{"source": "cve-request@iojs.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106043"}, {"source": "cve-request@iojs.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:1821"}, {"source": "cve-request@iojs.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:2258"}, {"source": "cve-request@iojs.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:3497"}, {"source": "cve-request@iojs.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/"}, {"source": "cve-request@iojs.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202003-48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106043"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:1821"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:2258"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:3497"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202003-48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20241227-0008/"}], "sourceIdentifier": "cve-request@iojs.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "cve-request@iojs.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:2258", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "http-parser-0:2.7.1-8.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2019:3497", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "http-parser-0:2.8.0-5.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2019:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs8-nodejs-0:8.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-07-22T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-0:3.2-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.16.3-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs8-nodejs-0:8.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS", "release_date": "2019-07-22T00:00:00Z"}, {"advisory": "RHSA-2019:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs8-nodejs-0:8.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-07-22T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-0:3.2-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.16.3-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:1821", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs8-nodejs-0:8.16.0-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-07-22T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-0:3.2-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.16.3-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-0:3.2-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2019-10-01T00:00:00Z"}, {"advisory": "RHSA-2019:2939", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs10-nodejs-0:10.16.3-3.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2019-10-01T00:00:00Z"}], "bugzilla": {"description": "nodejs: Denial of Service with large HTTP headers", "id": "1661002", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1661002"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Denial of Service with large HTTP headers: By using a combination of many requests with maximum sized headers (almost 80 KB per connection), and carefully timed completion of the headers, it is possible to cause the HTTP server to abort from heap allocation failure. Attack potential is mitigated by the use of a load balancer or other proxy layer."], "name": "CVE-2018-12121", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "nodejs", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:openshift:3.10", "fix_state": "Fix deferred", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.10"}, {"cpe": "cpe:/a:redhat:openshift:3.2", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.2"}, {"cpe": "cpe:/a:redhat:openshift:3.3", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.3"}, {"cpe": "cpe:/a:redhat:openshift:3.4", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.4"}, {"cpe": "cpe:/a:redhat:openshift:3.5", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.5"}, {"cpe": "cpe:/a:redhat:openshift:3.6", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.6"}, {"cpe": "cpe:/a:redhat:openshift:3.7", "fix_state": "Out of support scope", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.7"}, {"cpe": "cpe:/a:redhat:openshift:3.9", "fix_state": "Fix deferred", "package_name": "nodejs", "product_name": "Red Hat OpenShift Container Platform 3.9"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-nodejs4-http-parser", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-nodejs6-http-parser", "product_name": "Red Hat Software Collections"}], "public_date": "2018-11-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-12121\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-12121"], "statement": "The nodejs RPMs shipped in Red Hat OpenShift Container Platform (OCP) versions 3.6 through 3.10 are vulnerable to this flaw because they contain the affected code. Later versions of OCP used nodejs RPMs delivered from Red Hat Software Collections and Red Hat Enterprise Linux channels.", "threat_severity": "Moderate"}

{}