CVE-2006-6301

{"id": "CVE-2006-6301", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2006-12-06T19:28:00.000", "references": [{"url": "http://bugs.gentoo.org/show_bug.cgi?id=157163", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/23236", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/23603", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://security.gentoo.org/glsa/glsa-200701-01.xml", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/21468", "source": "cve@mitre.org"}, {"url": "http://www.vupen.com/english/advisories/2006/4876", "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30761", "source": "cve@mitre.org"}, {"url": "http://bugs.gentoo.org/show_bug.cgi?id=157163", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/23236", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/23603", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://security.gentoo.org/glsa/glsa-200701-01.xml", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/21468", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.vupen.com/english/advisories/2006/4876", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30761", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "DenyHosts 2.5 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, which is not properly handled by a regular expression."}, {"lang": "es", "value": "DenyHosts 2.5 no realiza un an\u00e1lisis sint\u00e1ctico adecuado de los ficheros de log de sshd, lo cual permite a atacantes remotos a\u00f1adir hosts de su elecci\u00f3n al 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 se ha demostrado accediendo por ssh utilizando un nombre de acceso que contiene ciertas cadenas con una direcci\u00f3n IP, lo cual no es tratado adecuadamente por una expresi\u00f3n regular."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:denyhosts:denyhosts:2.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1938273B-F140-475E-BD81-C714CA6590D5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}