CVE-2017-17450

{"id": "CVE-2017-17450", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "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": "2017-12-07T00:29:00.397", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/102110", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://lkml.org/lkml/2017/12/5/982", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3583-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3583-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3617-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3617-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3617-3/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3619-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3619-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3632-1/", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2017/dsa-4073", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2018/dsa-4082", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces."}, {"lang": "es", "value": "net/netfilter/xt_osf.c en el kernel de Linux hasta la versi\u00f3n 4.14.4 no requiere la capacidad CAP_NET_ADMIN para operaciones \"add_callback\" y \"remove_callback\", lo que permite que usuarios locales omitan las restricciones de acceso establecidas debido a que la estructura de datos xt_osf_fingers se comparte entre todos los espacios de nombres de la red."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73A9E8BB-A037-453D-8A98-A22D9B0A0020", "versionEndIncluding": "4.14.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}