CVE-2018-1166

{"id": "CVE-2018-1166", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2018-02-21T14:29:00.517", "references": [{"url": "https://help.joyent.com/hc/en-us/articles/360000124928", "tags": ["Vendor Advisory"], "source": "zdi-disclosures@trendmicro.com"}, {"url": "https://zerodayinitiative.com/advisories/ZDI-18-159", "tags": ["Third Party Advisory", "VDB Entry"], "source": "zdi-disclosures@trendmicro.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the SMBIOC_TREE_RELE ioctl. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4984."}, {"lang": "es", "value": "Esta vulnerabilidad permite que los atacantes locales escalen privilegios en instalaciones vulnerables de Joyent SmartOS release-20170803-20170803T064301Z. En primer lugar, un atacante debe obtener la capacidad de ejecutar c\u00f3digo de bajos privilegios en el sistema objetivo para explotar esta vulnerabilidad. Este error en concreto existe en la llamada IOCTL SMBIOC_TREE_RELE. El problema deriva de la falta de validaci\u00f3n de la existencia de un objeto previa a la realizaci\u00f3n de operaciones sobre el objeto. Un atacante podr\u00eda aprovecharse de esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del host del sistema operativo. Anteriormente era ZDI-CAN-4984."}], "lastModified": "2019-10-09T23:38:12.693", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:joyent:smartos:20170803:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FF8A728-9DAE-4F31-9018-B0D9EAEDBB5E"}], "operator": "OR"}]}], "sourceIdentifier": "zdi-disclosures@trendmicro.com"}