CVE-2011-4151

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*", "matchCriteriaId": "36823B2B-5C72-4FF3-9301-FB263EB8CE09", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "59AFA33E-FEBC-45F5-9EC6-8AA363163FB5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "04D83332-B2FD-4E86-A76C-C3F1CD3B3A31", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "758A0011-20ED-414A-9DF3-50A161DF8BC2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.4:*:*:*:*:*:*:*", "matchCriteriaId": "7768AED0-AE4C-4D4E-8D5D-5B618AB82966", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528."}, {"lang": "es", "value": "La funci\u00f3n krb5_db2_lockout_audit en el Centro de distribuci\u00f3n de claves (KDC) en MIT Kerberos 5 (krb5) v1.8 a v1.8.4, cuando el DB2 (Berkeley DB) es usado, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (error de aserci\u00f3n y el demonio de salida) a trav\u00e9s de vectores no especificados, una vulnerabilidad diferente a CVE-2011-1528."}], "id": "CVE-2011-4151", "lastModified": "2026-06-16T23:34:30.713", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-10-20T21:55:01.043", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt"}, {"source": "cve@mitre.org", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/659251"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70891"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/659251"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70891"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank MIT Kerberos project for reporting this issue. Upstream acknowledges Andrej Ota as the original reporter.", "bugzilla": {"description": "krb5: KDC denial of service vulnerabilities (MITKRB5-SA-2011-006)", "id": "737711", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=737711"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528."], "name": "CVE-2011-4151", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:3", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4151\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4151"], "statement": "Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4, 5 or 6.", "threat_severity": "Moderate"}

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