CVE-2006-6302

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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:fail2ban:fail2ban:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B6A500D-6B1A-44B7-879B-EB83141C2E7B", "versionEndIncluding": "0.7.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name containing certain strings with an IP address."}, {"lang": "es", "value": "fail2ban 0.7.4 y anteriores no realizan de forma adecuada una an\u00e1lisis sint\u00e1ctico de los ficheros de log de sshd, lo cual permite a atacantes remotos a\u00f1adir hosts de su elecci\u00f3n en el fichero /etc/hosts.deny y provocar una denegaci\u00f3n de servicio a\u00f1adiendo direcciones IP de su elecci\u00f3n al fichero de log de sshd, como ha sido demostrado accediendo por ssh utilizando un nombre de acceso que contiene ciertas cadenas con una direcci\u00f3n IP."}], "id": "CVE-2006-6302", "lastModified": "2026-06-16T22:32:52.763", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2006-12-06T19:28:00.000", "references": [{"source": "cve@mitre.org", "url": "http://bugs.gentoo.org/show_bug.cgi?id=157166"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/23237"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/24184"}, {"source": "cve@mitre.org", "url": "http://security.gentoo.org/glsa/glsa-200702-05.xml"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/21469"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2006/4877"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30739"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.gentoo.org/show_bug.cgi?id=157166"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/23237"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/24184"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-200702-05.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/21469"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2006/4877"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30739"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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