CVE-2012-2134

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-04-24T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2014-02-26T14:57:02.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "48901", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/48901"}, {"name": "[Freeipa-users] 20120424 named-dyndb-ldap looses connection when the LDAP server is under high load", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815846"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS"}, {"name": "RHSA-2012:0683", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0683.html"}, {"name": "81619", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/81619"}, {"name": "[oss-security] 20140424 Re: CVE Request -- bind-dyndb-ldap: Bind DoS (named hang) by processing DNS query for zone served by bind-dyndb-ldap", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/04/24/15"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T19:26:08.509Z"}, "title": "CVE Program Container", "references": [{"name": "48901", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/48901"}, {"name": "[Freeipa-users] 20120424 named-dyndb-ldap looses connection when the LDAP server is under high load", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815846"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS"}, {"name": "RHSA-2012:0683", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0683.html"}, {"name": "81619", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/81619"}, {"name": "[oss-security] 20140424 Re: CVE Request -- bind-dyndb-ldap: Bind DoS (named hang) by processing DNS query for zone served by bind-dyndb-ldap", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/04/24/15"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-2134", "datePublished": "2014-02-26T15:00:00.000Z", "dateReserved": "2012-04-04T00:00:00.000Z", "dateUpdated": "2024-08-06T19:26:08.509Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:*:b2:*:*:*:*:*:*", "matchCriteriaId": "E6CA1920-6C70-4875-ADED-1F15A4F2A8BB", "versionEndIncluding": "1.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.1.0:a1:*:*:*:*:*:*", "matchCriteriaId": "6EAFBB42-05EE-44DB-85D4-D622C2B678E4", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.1.0:b:*:*:*:*:*:*", "matchCriteriaId": "5745D406-24EF-408D-8A57-2AEEB09FF41C", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:0.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "CA5463AE-3E88-4824-AB42-93B5E6FE8573", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.0.0:b1:*:*:*:*:*:*", "matchCriteriaId": "D8BA67DA-D03F-499E-8BCF-94C06A814383", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "1FA76B53-60B9-40D9-A1FC-41FE6CED3148", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:a1:*:*:*:*:*:*", "matchCriteriaId": "00063DB2-31C6-4580-AB99-72466B3FB33A", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:a2:*:*:*:*:*:*", "matchCriteriaId": "374C3768-2379-4F82-8826-0B3EC53DA38C", "vulnerable": true}, {"criteria": "cpe:2.3:a:martin_nagy:bind-dyndb-ldap:1.1.0:b1:*:*:*:*:*:*", "matchCriteriaId": "E72C8313-8F0F-4826-B96D-2B08685521C4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query."}, {"lang": "es", "value": "La funci\u00f3n handle_connection_error en ldap_helper.c en bind-dyndb-ldap anterior a 1.1.0rc1 no maneja debidamente los errores de consulta LDAP, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicios (bucle infinito y cuelgue del servidor nombrado) a trav\u00e9s de un caracter no alfab\u00e9tico en la base DN en una consulta DNS de una b\u00fasqueda LDAP."}], "id": "CVE-2012-2134", "lastModified": "2026-06-16T23:41:03.597", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-02-26T15:55:08.877", "references": [{"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0683.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/48901"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/04/24/15"}, {"source": "secalert@redhat.com", "url": "http://www.osvdb.org/81619"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815846"}, {"source": "secalert@redhat.com", "url": "https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://rhn.redhat.com/errata/RHSA-2012-0683.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/48901"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/04/24/15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/81619"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815846"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Ronald van Zantvoort for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:0683", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "bind-dyndb-ldap-0:0.2.0-7.el6_2.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-05-21T00:00:00Z"}], "bugzilla": {"description": "bind-dyndb-ldap: Bind DoS (named hang) by processing DNS query for zone served by bind-dyndb-ldap", "id": "815846", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815846"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query."], "name": "CVE-2012-2134", "public_date": "2012-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2134\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2134"], "threat_severity": "Important"}

{}