Show plain JSON{"id": "CVE-2015-1798", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 1.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:H/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.2, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-04-08T10:59:04.610", "references": [{"url": "http://bugs.ntp.org/show_bug.cgi?id=2779", "source": "secalert@redhat.com"}, {"url": "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html", "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html", "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html", "source": "secalert@redhat.com"}, {"url": "http://marc.info/?l=bugtraq&m=143213867103400&w=2", "source": "secalert@redhat.com"}, {"url": "http://marc.info/?l=bugtraq&m=143213867103400&w=2", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1459.html", "source": "secalert@redhat.com"}, {"url": "http://support.apple.com/kb/HT204942", "source": "secalert@redhat.com"}, {"url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd", "source": "secalert@redhat.com"}, {"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2015/dsa-3223", "source": "secalert@redhat.com"}, {"url": "http://www.kb.cert.org/vuls/id/374268", "tags": ["Third Party Advisory", "US Government Resource"], "source": "secalert@redhat.com"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202", "source": "secalert@redhat.com"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html", "source": "secalert@redhat.com"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/73951", "source": "secalert@redhat.com"}, {"url": "http://www.securitytracker.com/id/1032032", "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/USN-2567-1", "source": "secalert@redhat.com"}, {"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10114", "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201509-01", "source": "secalert@redhat.com"}, {"url": "http://bugs.ntp.org/show_bug.cgi?id=2779", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://marc.info/?l=bugtraq&m=143213867103400&w=2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://marc.info/?l=bugtraq&m=143213867103400&w=2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1459.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://support.apple.com/kb/HT204942", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2015/dsa-3223", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kb.cert.org/vuls/id/374268", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/73951", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1032032", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-2567-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10114", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201509-01", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-17"}]}], "descriptions": [{"lang": "en", "value": "The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC."}, {"lang": "es", "value": "La caracter\u00edstica symmetric-key en la funci\u00f3n receive en ntp_proto.c en ntpd en NTP 4.x anterior a 4.2.8p2 requiere un MAC correcto \u00fanicamente si el campo MAC tiene una longitud que no sea cero, lo que facilita a atacantes man-in-the-middle falsificar paquetes mediante la omisi\u00f3n del MAC."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E538FCAE-3E2C-4EA8-A74F-ABF47652C15C", "versionEndIncluding": "4.2.7p444"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"} 