CVE-2011-1530

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"ID": "CVE-2011-1530", "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": "The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "47124", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/47124"}, {"name": "kerberos-processtgsreq-dos(71655)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71655"}, {"name": "50929", "refsource": "BID", "url": "http://www.securityfocus.com/bid/50929"}, {"name": "RHSA-2011:1790", "refsource": "REDHAT", "url": "http://www.redhat.com/support/errata/RHSA-2011-1790.html"}, {"name": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt", "refsource": "CONFIRM", "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt"}, {"name": "MDVSA-2011:184", "refsource": "MANDRIVA", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:184"}, {"name": "1026374", "refsource": "SECTRACK", "url": "http://securitytracker.com/id?1026374"}, {"name": "20111206 MITKRB5-SA-2011-007 KDC null pointer dereference in TGS handling [CVE-2011-1530]", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/520756/100/0/threaded"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": 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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:mit_kerberos:5.1.9:*:*:*:*:*:*:*", "matchCriteriaId": "2868E88B-55E5-4734-B5E7-AB4F6636E90F", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:mit_kerberos:5.1.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "94582FFF-A0F0-4FA0-AE71-622D91B6F207", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:mit_kerberos:5.1.9.2:*:*:*:*:*:*:*", "matchCriteriaId": "C912CAE7-239F-47B1-B1CC-627BE581DE57", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error."}, {"lang": "es", "value": "La funci\u00f3n process_tgs_req en do_tgs_req.c en Key Distribution Center (KDC) en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.9 hasta v1.9.2 permite a usuarios autenticados remotamente provocar una denegaci\u00f3n de servicio (desreferencia a puntero nulo y ca\u00edda del demonio) a trav\u00e9s de una petici\u00f3n TGS modificada que provoca un error diferente del error KRB5_KDB_NOENTRY."}], "id": "CVE-2011-1530", "lastModified": "2026-06-16T23:29:33.883", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-12-08T20:55:00.827", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/47124"}, {"source": "cve@mitre.org", "url": "http://securitytracker.com/id?1026374"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:184"}, {"source": "cve@mitre.org", "url": "http://www.redhat.com/support/errata/RHSA-2011-1790.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/520756/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/50929"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71655"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/47124"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1026374"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:184"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2011-1790.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/520756/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/50929"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71655"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank MIT Kerberos project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:1790", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "krb5-0:1.9-22.el6_2.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-12-06T00:00:00Z"}], "bugzilla": {"description": "(krb5kdc): NULL pointer dereference in the TGS handling (MITKRB5-SA-2011-007)", "id": "753748", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=753748"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-476", "details": ["The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error."], "name": "CVE-2011-1530", "package_state": [{"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": "2011-12-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1530\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1530\nhttp://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2011-007.txt"], "statement": "Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4 and 5.", "threat_severity": "Moderate"}

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