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true}, {"criteria": "cpe:2.3:a:sendmail:sendmail:8.14.2:*:*:*:*:*:*:*", "matchCriteriaId": "907E2087-95B8-4A4A-96DC-717D7B17CA82", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "sendmail before 8.14.4 does not properly handle a '\\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."}, {"lang": "es", "value": "sendmail anterior a v8.14.4 no maneja adecuadamente un car\u00e1cter '\\0' en un fichero Common Name (CN) de un certificado X.509; esto permite (1) a atacantes del tipo hombre-en-el-medio suplantar a su elecci\u00f3n servidores SMTP basados en SSL utilizando un certificado de servidor manipulado expedido por una Autoridad Certificadora leg\u00edtima y (2) a atacantes remotos evitar las restricciones de acceso pretendidas a trav\u00e9s de un certificado cliente expedido por una Autoridad Certificadora leg\u00edtima. Vulnerabilidad relacionada con CVE-2009-2408."}], "id": "CVE-2009-4565", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2010-01-04T21:30:00.640", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html"}, {"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=126953289726317&w=2"}, {"source": "cve@mitre.org", "tags": ["Vendor 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"http://secunia.com/advisories/37998"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/38314"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/38915"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/39088"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/40109"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/43366"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201206-30.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021797.1-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2010/dsa-1985"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2011-0262.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/37543"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.sendmail.org/releases/8.14.4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/3661"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2010/0719"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2010/1386"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2011/0415"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10255"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11822"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-4565\n\nThe Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.", "lastModified": "2010-01-21T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0262", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "sendmail-0:8.13.1-6.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-02-16T00:00:00Z"}, {"advisory": "RHSA-2010:0237", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "sendmail-0:8.13.8-8.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2010-03-29T00:00:00Z"}], "bugzilla": {"description": "sendmail: incorrect verification of SSL certificate with NUL in name", "id": "552622", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=552622"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "status": "verified"}, "details": ["sendmail before 8.14.4 does not properly handle a '\\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."], "name": "CVE-2009-4565", "public_date": "2009-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-4565\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4565"], "threat_severity": "Low"}

{}