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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:isc:dhcp:3.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "1269D9FF-C497-4FA5-90DA-302A9FC1EB75", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b1:*:*:*:*:*:*:*", "matchCriteriaId": "34BCCA79-76A8-494A-94CA-BB8FA11891DA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b2:*:*:*:*:*:*:*", "matchCriteriaId": "5442D329-81D5-4891-A063-FC6A07D7E1FA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b3:*:*:*:*:*:*:*", "matchCriteriaId": "14F64C1F-92E7-4190-9472-046F34C28539", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:3.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "22D732C6-F89B-4FCA-A949-3F67B4E7A7F2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests."}, {"lang": "es", "value": "dhcpd en ISC DHCP v3.0.4 y v3.1.1, cuando se utilizan de forma simult\u00e1nea el identificador de cliente dhcp y la configuraci\u00f3n de hardware ethernet, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de una petici\u00f3n no especificada."}], "id": "CVE-2009-1892", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-07-17T16:30:00.843", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35830"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35851"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/36457"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/37342"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1833"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:154"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/35669"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51717"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35830"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/35851"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/36457"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/37342"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1833"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:154"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/35669"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51717"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html"}], "sourceIdentifier": "secalert@redhat.com", "vendorComments": [{"comment": "Not vulnerable. Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.", "lastModified": "2009-07-20T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-16"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "dhcp: DoS/abort in some configs with client-identifier and hardware address host specifications", "id": "509845", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=509845"}, "csaw": false, "cvss": {"cvss_base_score": "2.9", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests."], "name": "CVE-2009-1892", "public_date": "2009-07-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1892"], "statement": "Not vulnerable. Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.", "threat_severity": "Moderate"}

{}