{"containers": {"cna": {"affected": [{"product": "chrony", "vendor": "chrony", "versions": [{"status": "affected", "version": "before 1.31.1"}]}], "datePublic": "2015-04-07T00:00:00", "descriptions": [{"lang": "en", "value": "chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets."}], "problemTypes": [{"descriptions": [{"description": "Other", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-12-09T18:53:22", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.gentoo.org/glsa/201507-01"}, {"tags": ["x_refsource_MISC"], "url": "http://chrony.tuxfamily.org/News.html"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2015-1853", "datePublished": "2019-12-09T18:53:22", "dateReserved": "2015-02-17T00:00:00", "dateUpdated": "2019-12-09T18:53:22", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*", "matchCriteriaId": "3849452D-7F13-44E3-B2E8-77C60EBB9541", "versionEndExcluding": "1.31.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets."}, {"lang": "es", "value": "chrony versiones anteriores a 1.31.1, no protege apropiadamente las variables de estado en asociaciones NTP sim\u00e9tricas autenticadas, lo que permite a atacantes remotos con conocimiento del emparejamiento NTP causar una denegaci\u00f3n de servicio (incapacidad de sincronizaci\u00f3n) mediante marcas de tiempo aleatorias en paquetes de datos NTP dise\u00f1ados."}], "id": "CVE-2015-1853", "lastModified": "2023-02-13T00:47:23.053", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-09T19:15:14.150", "references": [{"source": "secalert@redhat.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://chrony.tuxfamily.org/News.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201507-01"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}