CVE-2022-39379

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{"affected": [{"affectedData": [{"product": "fluentd", "vendor": "fluent", "versions": [{"status": "affected", "version": ">= 1.13.2, < 1.15.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fluentd:fluentd:*:*:*:*:*:*:*:*", "matchCriteriaId": "242E386A-FF76-40A5-908E-A4D7C13D7DD7", "versionEndExcluding": "1.15.3", "versionStartIncluding": "1.13.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. A remote code execution (RCE) vulnerability in non-default configurations of Fluentd allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads. Fluentd setups are only affected if the environment variable `FLUENT_OJ_OPTION_MODE` is explicitly set to `object`. Please note: The option FLUENT_OJ_OPTION_MODE was introduced in Fluentd version 1.13.2. Earlier versions of Fluentd are not affected by this vulnerability. This issue was patched in version 1.15.3. As a workaround do not use `FLUENT_OJ_OPTION_MODE=object`."}, {"lang": "es", "value": "Fluentd recopila eventos de diversas fuentes de datos y los escribe en archivos, RDBMS, NoSQL, IaaS, SaaS, Hadoop, etc. Una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo (RCE) en configuraciones no predeterminadas de Fluentd permite a atacantes no autenticados ejecutar c\u00f3digo arbitrario a trav\u00e9s de payloads JSON especialmente manipulados. Las configuraciones de Fluentd solo se ven afectadas si la variable de entorno `FLUENT_OJ_OPTION_MODE` se establece expl\u00edcitamente en `object`. Tenga en cuenta: la opci\u00f3n FLUENT_OJ_OPTION_MODE se introdujo en la versi\u00f3n 1.13.2 de Fluentd. Las versiones anteriores de Fluentd no se ven afectadas por esta vulnerabilidad. Este problema se solucion\u00f3 en la versi\u00f3n 1.15.3. Como workaround alternativo, no utilice `FLUENT_OJ_OPTION_MODE=object`."}], "id": "CVE-2022-39379", "lastModified": "2026-06-17T04:58:14.957", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-39379", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T13:55:24.123262Z", "version": "2.0.3"}}]}, "published": "2022-11-02T13:15:13.583", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fluent/fluentd/commit/48e5b85dab1b6d4c273090d538fc11b3f2fd8135"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/fluent/fluentd/security/advisories/GHSA-fppq-mj76-fpj2"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYD5QV66OLDHES6IKVYYM3Y3YID3VVCO/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fluent/fluentd/commit/48e5b85dab1b6d4c273090d538fc11b3f2fd8135"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/fluent/fluentd/security/advisories/GHSA-fppq-mj76-fpj2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYD5QV66OLDHES6IKVYYM3Y3YID3VVCO/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "fluentd: remote code execution via crafted JSON payloads", "id": "2142460", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2142460"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. A remote code execution (RCE) vulnerability in non-default configurations of Fluentd allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads. Fluentd setups are only affected if the environment variable `FLUENT_OJ_OPTION_MODE` is explicitly set to `object`. Please note: The option FLUENT_OJ_OPTION_MODE was introduced in Fluentd version 1.13.2. Earlier versions of Fluentd are not affected by this vulnerability. This issue was patched in version 1.15.3. As a workaround do not use `FLUENT_OJ_OPTION_MODE=object`.", "A remote code execution (RCE) vulnerability was found in non-default configurations of Fluentd. This issue allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads."], "name": "CVE-2022-39379", "package_state": [{"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Not affected", "package_name": "openshift-logging/fluentd-rhel8", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "fluentd", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "openshift3/logging-fluentd", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "openshift3/ose-logging-fluentd", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "puppet-fluentd", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "rhosp13/openstack-fluentd", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2022-11-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-39379\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-39379\nhttps://github.com/fluent/fluentd/security/advisories/GHSA-fppq-mj76-fpj2"], "statement": "The Fluentd setups are only affected if the environment variable FLUENT_OJ_OPTION_MODE is explicitly set to object, which is a non-default configuration. Hence, this CVE is categorized as Moderate impact.", "threat_severity": "Moderate"}

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