{"id":"CVE-2007-4322","state":"PUBLISHED","title":"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 caus","description":"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.","publishedAt":"2007-08-14T00:00:00.000Z","updatedAt":"2024-08-07T14:53:55.640Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.aczoom.com/tools/blockhosts/CHANGES","http://www.ossec.net/en/attacking-loganalysis.html","http://osvdb.org/36515"],"weaknesses":[],"ingestedAt":"2026-10-29T19:38:36.442Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2007/4xxx/CVE-2007-4322.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2007-4322","state":"PUBLISHED","datePublished":"2007-08-14T00:00:00.000Z","dateUpdated":"2024-08-07T14:53:55.640Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2007-08-13T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.aczoom.com/tools/blockhosts/CHANGES","tags":["x_refsource_CONFIRM"]},{"url":"http://www.ossec.net/en/attacking-loganalysis.html","tags":["x_refsource_MISC"]},{"url":"http://osvdb.org/36515","name":"36515","tags":["vdb-entry","x_refsource_OSVDB"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2012-10-31T09:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2007-06-07T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2007-4322","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://www.aczoom.com/tools/blockhosts/CHANGES","refsource":"CONFIRM","url":"http://www.aczoom.com/tools/blockhosts/CHANGES"},{"name":"http://www.ossec.net/en/attacking-loganalysis.html","refsource":"MISC","url":"http://www.ossec.net/en/attacking-loganalysis.html"},{"name":"36515","refsource":"OSVDB","url":"http://osvdb.org/36515"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.aczoom.com/tools/blockhosts/CHANGES","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.ossec.net/en/attacking-loganalysis.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://osvdb.org/36515","name":"36515","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-07T14:53:55.640Z"}}]}}}