{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2015-04-07T00:00:00", "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-06-30T16:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "DSA-3222", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2015/dsa-3222"}, {"name": "[chrony-announce] 20150407 chrony-1.31.1 released (security)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html"}, {"name": "73955", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/73955"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"}, {"name": "GLSA-201507-01", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201507-01"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2015-1821", "datePublished": "2015-04-16T14:00:00", "dateReserved": "2015-02-17T00:00:00", "dateUpdated": "2017-06-30T16:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF48000B-8A0C-4280-ADA9-7A7B1F64AD1C", "versionEndIncluding": "1.31", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder."}, {"lang": "es", "value": "Desbordamiento de buffer basado en memoria din\u00e1mica en chrony anterior a 1.31.1 permite a usuarios remotos autenticados causar una denegaci\u00f3n de servicio (ca\u00edda de chronyd) o posiblemente ejecutar c\u00f3digo arbitrario mediante la configuraci\u00f3n del acceso (1) NTP o (2) cmdmon con un tama\u00f1o subnet que resulta indivisible por cuatro y una direcci\u00f3n con un bit no cero en el restante de subnet."}], "id": "CVE-2015-1821", "lastModified": "2023-02-13T00:47:10.323", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-04-16T14:59:01.663", "references": [{"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2015/dsa-3222"}, {"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/73955"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201507-01"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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