CVE-2011-1528

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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}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*", "matchCriteriaId": "86738633-C081-4440-9F75-A775D6DF2228", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "C7BCFFEE-EA7A-4F26-97AA-31128A179745", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The krb5_ldap_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, related to the locked_check_p function. NOTE: the Berkeley DB vector is covered by CVE-2011-4151."}, {"lang": "es", "value": "La funci\u00f3n krb5_ldap_lockout_audit en el Key Distribution Center (KDC) en MIT Kerberos 5 (tambi\u00e9n se conoce como krb5) versi\u00f3n 1.8 hasta 1.8.4 y versi\u00f3n 1.9 hasta 1.9.1, cuando se utiliza el back-end LDAP, permite a los atacantes remotos causar una denegaci\u00f3n de servicio (fallo de aserci\u00f3n y salida de demonio) por medio de vectores no especificados, relacionados con la funci\u00f3n locked_check_p. NOTA: El vector Berkeley DB est\u00e1 cubierto por CVE-2011-4151."}], "id": "CVE-2011-1528", "lastModified": "2026-06-16T23:29:33.650", "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": "2011-10-20T21:55:00.920", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html"}, {"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": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:159"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:160"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1379.html"}, {"source": "cve@mitre.org", "url": "https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/715579"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html"}, {"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": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:159"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:160"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1379.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/715579"}], "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.", "affected_release": [{"advisory": "RHSA-2011:1379", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "krb5-0:1.9-9.el6_1.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-10-18T00:00:00Z"}], "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": "verified"}, "details": ["The krb5_ldap_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, related to the locked_check_p function. NOTE: the Berkeley DB vector is covered by CVE-2011-4151."], "name": "CVE-2011-1528", "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"}], "public_date": "2011-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1528\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1528"], "statement": "Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4 or 5.", "threat_severity": "Moderate"}

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