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"dhclient en ISC DHCP 3.0.x hasta la versi\u00f3n 4.2.x en versiones anteriores a 4.2.1-P1, 3.1-ESV en versiones anteriores a 3.1-ESV-R1 y 4.1-ESV en versiones anteriores a 4.1-ESV-R2 permite a atacantes remotos ejecutar comandos arbitrarios a trav\u00e9s de metacaracteres shell en un nombre de anfitri\u00f3n obtenido de un mensaje DHCP, como es demostrado por un nombre de anfitri\u00f3n dado por dhclient-script."}], "id": "CVE-2011-0997", "lastModified": "2020-04-01T13:07:53.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": 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"http://www.ubuntu.com/usn/USN-1108-1"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0879"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0886"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0909"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0915"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0926"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/0965"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/1000"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": 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