CVE-2018-11766

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{"affected": [{"affectedData": [{"product": "Apache Hadoop", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Hadoop 2.7.4 to 2.7.6"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*", "matchCriteriaId": "E0BA3A12-F465-4512-9649-E3AC27245767", "versionEndIncluding": "2.7.6", "versionStartIncluding": "2.7.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user."}, {"lang": "es", "value": "En Apache Hadoop, de la versi\u00f3n 2.7.4 a la 2.7.6, el parche de seguridad para CVE-2016-6811 est\u00e1 incompleto. Un usuario que pueda escalar a usuario yarn podr\u00eda ejecutar comandos arbitrarios como usuario root."}], "id": "CVE-2018-11766", "lastModified": "2026-06-17T01:36:32.797", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-11-27T14:29:00.260", "references": [{"source": "security@apache.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106035"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106035"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "hadoop: Privilege escalation to root (Incomplete fix for CVE-2016-6811)", "id": "1654239", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1654239"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-268", "details": ["In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user."], "name": "CVE-2018-11766", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "camel", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Not affected", "package_name": "camel", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "rhs-hadoop", "product_name": "Red Hat Storage 3"}], "public_date": "2018-11-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-11766\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-11766\nhttps://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c@%3Cgeneral.hadoop.apache.org%3E"], "threat_severity": "Important"}

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