CVE-2015-1799

{"id": "CVE-2015-1799", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 5.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-04-08T10:59:05.717", "references": [{"url": "http://bugs.ntp.org/show_bug.cgi?id=2781", "source": "secalert@redhat.com"}, {"url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html", "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=145750740530849&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=38275", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2015/dsa-3222", "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/73950", "source": "secalert@redhat.com"}, {"url": "http://www.securitytracker.com/id/1032031", "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"}], "vulnStatus": "Modified", "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 3.x and 4.x before 4.2.8p2 performs state-variable updates upon receiving certain invalid packets, which makes it easier for man-in-the-middle attackers to cause a denial of service (synchronization loss) by spoofing the source IP address of a peer."}, {"lang": "es", "value": "La caracter\u00edstica symmetric-key en la funci\u00f3n receive en ntp_proto.c en ntpd en NTP 3.x y 4.x anterior a 4.2.8p2 realiza actualizaciones de las variables de estados al recibir ciertos paquetes inv\u00e1lidos, lo que facilita a atacantes man-in-the-middle causar una denegaci\u00f3n de servicio (perdida de sincronizaci\u00f3n) mediante la falsificaci\u00f3n de la direcci\u00f3n del IP de fuente de un par."}], "lastModified": "2018-01-05T02:30:00.447", "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"}