CVE-2009-3639

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mod_tls - Improper SSL/TLS certificate subjectAltName verification", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://marc.info/?l=oss-security&m=125632960508211&w=2"}, {"name": "36804", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/36804"}, {"name": "proftpd-modtls-security-bypass(53936)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"}, {"name": "37131", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/37131"}, {"name": "MDVSA-2009:288", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T06:38:28.465Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20091023 proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://marc.info/?l=oss-security&m=125630966510672&w=2"}, {"name": "FEDORA-2009-11666", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"}, {"name": "37219", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/37219"}, {"name": "FEDORA-2009-11649", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"}, {"name": "DSA-1925", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2009/dsa-1925"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"}, {"name": "[oss-security] 20091023 Re: proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://marc.info/?l=oss-security&m=125632960508211&w=2"}, {"name": "36804", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/36804"}, {"name": "proftpd-modtls-security-bypass(53936)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"}, {"name": "37131", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/37131"}, {"name": "MDVSA-2009:288", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2009-3639", "datePublished": "2009-10-28T14:00:00.000Z", "dateReserved": "2009-10-09T00:00:00.000Z", "dateUpdated": "2024-08-07T06:38:28.465Z", "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:proftpd:proftpd:*:a:*:*:*:*:*:*", "matchCriteriaId": "8ADC9F57-ADAE-4620-97ED-EBF96BEBF3A9", "versionEndIncluding": "1.3.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "0629F25F-B9C6-4FC7-B67E-E6B38E59E60B", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "185E727C-E4DB-4713-866D-957D20838D97", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B43EDB7-7B67-43E0-AAE9-F8120C6E607C", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "F615B39A-5E30-454B-B851-14C5735578E3", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "5884F593-C977-4AFC-9428-6A915D962C97", "vulnerable": true}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "29FBDF30-0E17-46DA-8548-DEE5E3CD9EAB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."}, {"lang": "es", "value": "El m\u00f3dulo mod_tls en ProFTPD anterior v1.3.2b, y v1.3.3 anterior v1.3.3rc2, cuando la opci\u00f3n dNSNameRequired TLS es activada, no maneja adecuadamente el caracter '/0' en un nombre de dominio, dentro del campo Subject Alternative Name de un certificado cliente X.509, lo que permite a atacantes remotos eludir las restricciones cliente-hostname a trav\u00e9s de un certificado manipulado concedido por una Autoridad Certificadora leg\u00edtima, esta relacionado con CVE-2009-2408."}], "id": "CVE-2009-3639", "lastModified": "2026-06-16T23:12:04.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-10-28T14:30:00.217", "references": [{"source": "secalert@redhat.com", "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=oss-security&m=125630966510672&w=2"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=oss-security&m=125632960508211&w=2"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/37131"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/37219"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2009/dsa-1925"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/36804"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=oss-security&m=125630966510672&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=oss-security&m=125632960508211&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/37131"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/37219"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2009/dsa-1925"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/36804"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "ProFTPD: Doesn't properly handle NULL character in subjectAltName", "id": "530719", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "status": "draft"}, "details": ["The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."], "name": "CVE-2009-3639", "public_date": "2009-08-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-3639"], "threat_severity": "Low"}

{}