CVE-2007-4322

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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:ac_zoom:blockhosts:2.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "7C232288-25E7-4AE3-9F17-B66B76BD5E41", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "BlockHosts before 2.0.4 does not properly parse (1) sshd and (2) vsftpd log files, which allows remote attackers to add arbitrary deny entries to the /etc/hosts.allow file and cause a denial of service by adding arbitrary IP addresses to a daemon log file, as demonstrated by connecting through ssh with a client protocol version identification containing an IP address string, or connecting through ftp with a username containing an IP address string, different vectors than CVE-2007-2765."}, {"lang": "es", "value": "BlockHosts anterior a 2.0.4 no analiza sint\u00e1cticamente de forma correcta los ficheros de log (1) sshd y (2) vsftpd, lo cual permite a atacantes remotos a\u00f1adir entradas de denegaci\u00f3n en el fichero /etc/hosts.allow y provocar una denegaci\u00f3n de servicio a\u00f1adiendo direcciones IP de su elecci\u00f3n a un fichero de log de demonio, como ha sido demostrado conect\u00e1ndose a trav\u00e9s de ssh con una identificaci\u00f3n de versi\u00f3n del protocolo del cliente que contiene una cadena con la direcci\u00f3n IP, o conect\u00e1ndose a trav\u00e9s de ftp con un nombre de usuario que contiene una cadena con la direcci\u00f3n IP, vectores diferentes de CVE-2007-2765."}], "id": "CVE-2007-4322", "lastModified": "2026-06-16T22:43:48.647", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-08-14T00:17:00.000", "references": [{"source": "cve@mitre.org", "url": "http://osvdb.org/36515"}, {"source": "cve@mitre.org", "url": "http://www.aczoom.com/tools/blockhosts/CHANGES"}, {"source": "cve@mitre.org", "url": "http://www.ossec.net/en/attacking-loganalysis.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/36515"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.aczoom.com/tools/blockhosts/CHANGES"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ossec.net/en/attacking-loganalysis.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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