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push_ascii en smbd en Samba 3.6.x anterior a 3.6.24, 4.0.x anterior a 4.0.19 y 4.1.x anterior a 4.1.9 permite a usuarios remotos autenticados causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda de demonio) a trav\u00e9s de in intento de leer un nombre de ruta Unicode sin especificar el uso de Unicode, que conduce a un fallo de conversi\u00f3n de configuraci\u00f3n de car\u00e1cter que provoca una referencia a puntero inv\u00e1lida."}], "id": "CVE-2014-3493", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 2.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, 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"http://secunia.com/advisories/59579"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/59834"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/59848"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/59919"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/61218"}, {"source": "secalert@redhat.com", "url": "http://security.gentoo.org/glsa/glsa-201502-15.xml"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:136"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:082"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.samba.org/samba/security/CVE-2014-3493"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/532757/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/68150"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1030455"}, {"source": "secalert@redhat.com", "url": "https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_samba1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1108748"}, {"source": "secalert@redhat.com", "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://advisories.mageia.org/MGASA-2014-0279.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://linux.oracle.com/errata/ELSA-2014-0866.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2014-0866.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59407"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59433"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59579"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59834"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59848"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/59919"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/61218"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201502-15.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:136"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:082"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.samba.org/samba/security/CVE-2014-3493"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/532757/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/68150"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1030455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_samba1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1108748"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Samba project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2014:0866", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "samba3x-0:3.6.6-0.140.el5_10", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2014-07-09T00:00:00Z"}, {"advisory": "RHSA-2014:0866", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "samba-0:3.6.9-169.el6_5", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-07-09T00:00:00Z"}, {"advisory": "RHSA-2014:1009", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "samba4-0:4.0.0-63.el6_5.rc4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-08-05T00:00:00Z"}, {"advisory": "RHSA-2014:0867", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "samba-0:4.1.1-35.el7_0", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2014-07-09T00:00:00Z"}], "bugzilla": {"description": "samba: smbd unicode path names denial of service", "id": "1108748", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1108748"}, "csaw": false, "cvss": {"cvss_base_score": "2.7", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-172->CWE-393", "details": ["The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.", "It was discovered that smbd, the Samba file server daemon, did not properly handle certain files that were stored on the disk and used a valid Unicode character in the file name. An attacker able to send an authenticated non-Unicode request that attempted to read such a file could cause smbd to crash."], "name": "CVE-2014-3493", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:storage:2.1", "fix_state": "Affected", "package_name": "samba", "product_name": "Red Hat Storage 2.1"}], "public_date": "2014-06-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-3493\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-3493\nhttp://www.samba.org/samba/security/CVE-2014-3493"], "statement": "This issue affects the versions of samba3x as shipped with Red Hat Enterprise Linux 5. This issue affects the versions of samba and samba4 as shipped with Red Hat Enterprise Linux 6. This issue affects the versions of samba as shipped with Red Hat Enterprise Linux 7. This issue did not affect the versions of samba as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Low"}

{}