{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2000-06-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2004-09-02T09:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "CA-2000-11", "tags": ["third-party-advisory", "x_refsource_CERT"], "url": "http://www.cert.org/advisories/CA-2000-11.html"}, {"name": "K-051", "tags": ["third-party-advisory", "government-resource", "x_refsource_CIAC"], "url": "http://ciac.llnl.gov/ciac/bulletins/k-051.shtml"}, {"name": "20000609 Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt"}, {"name": "RHSA-2000:031", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2000-031.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2000-0549", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "CA-2000-11", "refsource": "CERT", "url": "http://www.cert.org/advisories/CA-2000-11.html"}, {"name": "K-051", "refsource": "CIAC", "url": "http://ciac.llnl.gov/ciac/bulletins/k-051.shtml"}, {"name": "20000609 Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC", "refsource": "BUGTRAQ", "url": "http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html"}, {"name": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt", "refsource": "CONFIRM", "url": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt"}, {"name": "RHSA-2000:031", "refsource": "REDHAT", "url": "http://www.redhat.com/support/errata/RHSA-2000-031.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T05:21:31.092Z"}, "title": "CVE Program Container", "references": [{"name": "CA-2000-11", "tags": ["third-party-advisory", "x_refsource_CERT", "x_transferred"], "url": "http://www.cert.org/advisories/CA-2000-11.html"}, {"name": "K-051", "tags": ["third-party-advisory", "government-resource", "x_refsource_CIAC", "x_transferred"], "url": "http://ciac.llnl.gov/ciac/bulletins/k-051.shtml"}, {"name": "20000609 Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt"}, {"name": "RHSA-2000:031", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2000-031.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2000-0549", "datePublished": "2000-10-13T04:00:00.000Z", "dateReserved": "2000-07-11T00:00:00.000Z", "dateUpdated": "2024-08-08T05:21:31.092Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cygnus:cygnus_network_security:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "05857121-8827-45FD-886F-4269E0336036", "vulnerable": true}, {"criteria": "cpe:2.3:a:cygnus:kerbnet:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "EE1B0821-64F1-46E3-8DD3-12FFD1B037F5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "AFB8BD89-F049-4C3B-8744-E8D00D752DE0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "08FA60A9-10E1-4ACD-819C-17801FAD7671", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*", "matchCriteriaId": "7A37987D-22F9-47AC-A07A-380F7E509BFE", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "E47F0770-67D7-42EE-A1AD-9D5B5E83BF2B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request."}], "id": "CVE-2000-0549", "lastModified": "2026-04-16T00:27:16.627", "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": "2000-06-09T04:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html"}, {"source": "cve@mitre.org", "url": "http://ciac.llnl.gov/ciac/bulletins/k-051.shtml"}, {"source": "cve@mitre.org", "url": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.cert.org/advisories/CA-2000-11.html"}, {"source": "cve@mitre.org", "url": "http://www.redhat.com/support/errata/RHSA-2000-031.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://ciac.llnl.gov/ciac/bulletins/k-051.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.cert.org/advisories/CA-2000-11.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2000-031.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "security flaw", "id": "1616492", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616492"}, "csaw": false, "details": ["Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request."], "name": "CVE-2000-0549", "public_date": "2000-06-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2000-0549"], "statement": "This issue was fixed in the following product:\n- Red Hat Linux 6.2 - RHSA-2000:031 (2000-06-09)"}

{}