CVE-2023-0296

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{"affected": [{"affectedData": [{"product": "Red Hat OpenShift", "vendor": "n/a", "versions": [{"status": "affected", "version": "OpenShift 4.11"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift:4.11:*:*:*:*:*:*:*", "matchCriteriaId": "275413B5-6C5D-4125-9396-0DAE614887E8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Birthday attack against 64-bit block ciphers flaw (CVE-2016-2183) was reported for the health checks port (9979) on etcd grpc-proxy component. Even though the CVE-2016-2183 has been fixed in the etcd components, to enable periodic health checks from kubelet, it was necessary to open up a new port (9979) on etcd grpc-proxy, hence this port might be considered as still vulnerable to the same type of vulnerability. The health checks on etcd grpc-proxy do not contain sensitive data (only metrics data), therefore the potential impact related to this vulnerability is minimal. The CVE-2023-0296 has been assigned to this issue to track the permanent fix in the etcd component."}, {"lang": "es", "value": "Se inform\u00f3 del ataque de cumplea\u00f1os contra la falla de cifrado de bloques de 64 bits (CVE-2016-2183) para el puerto de controles de estado (9979) en el componente etcd grpc-proxy. Aunque el CVE-2016-2183 se corrigi\u00f3 en los componentes de etcd, para permitir comprobaciones peri\u00f3dicas de estado de kubelet, fue necesario abrir un nuevo puerto (9979) en etcd grpc-proxy, por lo que este puerto podr\u00eda considerarse todav\u00eda vulnerables al mismo tipo de vulnerabilidad. Las comprobaciones de estado en etcd grpc-proxy no contienen datos confidenciales (solo datos de m\u00e9tricas), por lo que el impacto potencial relacionado con esta vulnerabilidad es m\u00ednimo. Se asign\u00f3 el CVE-2023-0296 a este problema para rastrear la soluci\u00f3n permanente en el componente etcd."}], "id": "CVE-2023-0296", "lastModified": "2026-06-17T05:25:13.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-0296", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-04T18:48:25.724826Z", "version": "2.0.3"}}]}, "published": "2023-01-17T21:15:15.273", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161287"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161287"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:0241", "cpe": "cpe:/a:redhat:openshift:4.10::el8", "package": "openshift4/ose-etcd:v4.10.0-202301062005.p0.g2a91bf0.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.10", "release_date": "2023-01-24T00:00:00Z"}, {"advisory": "RHSA-2023:0069", "cpe": "cpe:/a:redhat:openshift:4.11::el8", "package": "openshift4/ose-etcd:v4.11.0-202301041324.p0.gc50e9aa.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.11", "release_date": "2023-01-19T00:00:00Z"}, {"advisory": "RHSA-2022:7399", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "openshift4/ose-etcd:v4.12.0-202212121125.p0.g89a451c.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-01-17T00:00:00Z"}, {"advisory": "RHSA-2023:0574", "cpe": "cpe:/a:redhat:openshift:4.9::el8", "package": "openshift4/ose-etcd:v4.9.0-202301301454.p0.g9aaa8c6.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.9", "release_date": "2023-02-13T00:00:00Z"}], "bugzilla": {"description": "openshift: etcd grpc-proxy vulnerable to The Birthday attack against 64-bit block cipher", "id": "2161287", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161287"}, "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:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-327", "details": ["The Birthday attack against 64-bit block ciphers flaw (CVE-2016-2183) was reported for the health checks port (9979) on etcd grpc-proxy component. Even though the CVE-2016-2183 has been fixed in the etcd components, to enable periodic health checks from kubelet, it was necessary to open up a new port (9979) on etcd grpc-proxy, hence this port might be considered as still vulnerable to the same type of vulnerability. The health checks on etcd grpc-proxy do not contain sensitive data (only metrics data), therefore the potential impact related to this vulnerability is minimal. The CVE-2023-0296 has been assigned to this issue to track the permanent fix in the etcd component.", "The Birthday attack against 64-bit block ciphers (CVE-2016-2183) was reported for the health checks port (9979) on the etcd grpc-proxy component. Even though the CVE-2016-2183 has been fixed in the etcd components, to enable periodic health checks from kubelet, it was necessary to open up a new port (9979) on etcd grpc-proxy. Therefore, this port might still be considered vulnerable to the same type of attack. The health checks on etcd grpc-proxy do not contain sensitive data, only metrics data. The potential impact related to this vulnerability is minimal. \nThe CVE-2023-0296 has been assigned to this issue to track the permanent fix in the etcd component."], "name": "CVE-2023-0296", "public_date": "2023-01-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-0296\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-0296"], "threat_severity": "Moderate"}

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