CVE-2017-17449

{"id": "CVE-2017-17449", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 1.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2017-12-07T00:29:00.350", "references": [{"url": "http://www.securityfocus.com/bid/102122", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0654", "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0676", "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1062", "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1130", "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1170", "source": "cve@mitre.org"}, {"url": "https://lkml.org/lkml/2017/12/5/950", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://source.android.com/security/bulletin/pixel/2018-04-01", "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/3653-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3653-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3655-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3655-2/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/3657-1/", "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"}, {"url": "http://www.securityfocus.com/bid/102122", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0654", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0676", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1062", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1130", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1170", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lkml.org/lkml/2017/12/5/950", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://source.android.com/security/bulletin/pixel/2018-04-01", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3619-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3619-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3653-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3653-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3655-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3655-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3657-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2017/dsa-4073", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2018/dsa-4082", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system."}, {"lang": "es", "value": "La funci\u00f3n __netlink_deliver_tap_skb en net/netlink/af_netlink.c en el kernel de Linux hasta la versi\u00f3n 4.14.4, cuando CONFIG_NLMON est\u00e1 habilitado, no restringe las observaciones de mensajes Netlink a un espacio de nombres de red \u00fanico, lo que permite que usuarios locales obtengan informaci\u00f3n sensible utilizando la capacidad CAP_NET_ADMIN para rastrear una interfaz nlmon para toda la actividad Netlink en el sistema."}], "lastModified": "2025-04-20T01:37:25.860", "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"}