CVE-2016-1886

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*", "matchCriteriaId": "57052F01-8695-4C63-A947-7671375B9312", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*", "matchCriteriaId": "F6D63B21-9D2E-4B15-9E60-6181D44B1F55", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*", "matchCriteriaId": "21EFF723-7B5A-4712-8A6B-56CADAA4BFD5", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*", "matchCriteriaId": "E102E760-362C-4DC7-BDED-E2CF9F94ECE7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a \"two way heap and stack overflow.\""}, {"lang": "es", "value": "Error de entero sin signo en la funci\u00f3n genkbd_commonioctl en sys/dev/kbd/kbd.c en FreeBSD 9.3 en versiones anteriores a p42, 10.1 en versiones anteriores a p34, 10.2 en versiones anteriores a p17 y 10.3 en versiones anteriores a p3 permite a usuarios locales obtener informaci\u00f3n sensible de la memoria del kernel, causar una denegaci\u00f3n de servicio (sobrescribir memoria y ca\u00edda del kernel), u obtener privilegios a trav\u00e9s de un valor negativo en el mimebro de estructura flen en el argumento arg en una llamada SETFKEY ioctl, lo que desencadena un \"desbordamiento de pila y memoria din\u00e1mica en dos sentidos\""}], "id": "CVE-2016-1886", "lastModified": "2026-06-17T00:42:48.127", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-05-25T15:59:02.677", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://cturt.github.io/SETFKEY.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/90734"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035905"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://cturt.github.io/SETFKEY.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/90734"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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