{ "id": "CVE-2018-8956", "sourceIdentifier": "cve@mitre.org", "published": "2020-05-06T19:15:12.410", "lastModified": "2024-11-21T04:14:40.770", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets. The attacker must either be a part of the same broadcast network or control a slave in that broadcast network that can capture certain required packets on the attacker's behalf and send them to the attacker." }, { "lang": "es", "value": "ntpd en ntp versiones 4.2.8p10, 4.2.8p11, 4.2.8p12 y 4.2.8p13, permiten a atacantes remotos impedir que un cliente de multidifusi\u00f3n sincronice su reloj con un servidor NTP de multidifusi\u00f3n por medio de paquetes de modo 3 y modo 5 suplantados. El atacante debe ser parte de la misma red de multidifusi\u00f3n o controlar un esclavo en esa red de multidifusi\u00f3n que puede capturar determinados paquetes requeridos en nombre del atacante y enviarlos luego al atacante." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW" }, "exploitabilityScore": 3.9, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:*", "matchCriteriaId": "0BC62D4E-D519-458C-BE4E-10DDB73A97D3" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:*", "matchCriteriaId": "1C420117-862A-41A9-BAE8-8B3478FAEBC3" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:*", "matchCriteriaId": "4A484251-3220-498C-83FE-A04B013A31A4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:*", "matchCriteriaId": "E0CE4157-852B-42ED-A77C-8A17B189432E" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html", "source": "cve@mitre.org" }, { "url": "http://www.ntp.org/", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://arxiv.org/abs/2005.01783", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://nikhiltripathi.in/NTP_attack.pdf", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20200518-0006/", "source": "cve@mitre.org" }, { "url": "https://tools.ietf.org/html/rfc5905", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.ntp.org/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://arxiv.org/abs/2005.01783", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://nikhiltripathi.in/NTP_attack.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20200518-0006/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://tools.ietf.org/html/rfc5905", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }