CVE-2015-1821

{"id": "CVE-2015-1821", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-04-16T14:59:01.663", "references": [{"url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html", "tags": ["Patch", "Vendor Advisory"], "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", "source": "secalert@redhat.com"}, {"url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2015/dsa-3222", "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/73955", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201507-01", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "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."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF48000B-8A0C-4280-ADA9-7A7B1F64AD1C", "versionEndIncluding": "1.31"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}