{"id":"CVE-2013-2178","aliases":["DEBIAN-CVE-2013-2178","DSA-2708-1","EUVD-2013-2137","GHSA-4339-77hj-xqhj","MGASA-2013-0192","openSUSE-SU-2024:10347-1"],"status":"published","title":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files...","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01763,"percentile":0.7819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2013-06-16T00:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"Debian:12","package":"fail2ban","fixed_in":["0.8.10-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fail2ban","fixed_in":["0.8.10-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fail2ban","fixed_in":["0.8.10-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"fail2ban","fixed_in":["0.8.4-3+squeeze2"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"fail2ban","fixed_in":["0.8.6-3wheezy2"],"sources":["osv"]},{"ecosystem":"Mageia:2","package":"fail2ban","fixed_in":["0.8.6-3.2.mga2"],"sources":["osv"]},{"ecosystem":"Mageia:3","package":"fail2ban","fixed_in":["0.8.8-6.1.mga3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.10-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.10-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.10-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4-3+squeeze2"}]}],"versions":["0.8.4-3","0.8.4-3+squeeze1"]},{"source":"osv","ecosystem":"Debian:7","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.6-3wheezy2"}]}],"versions":["0.8.6-3wheezy1"]},{"source":"osv","ecosystem":"Mageia:2","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.6-3.2.mga2"}]}]},{"source":"osv","ecosystem":"Mageia:3","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.8-6.1.mga3"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.5-1.1"}]}],"bundled":4}],"products":[{"vendor":"fail2ban","product":"fail2ban"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2013/06/13/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.debian.org/security/2013/dsa-2708","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://raw.github.com/fail2ban/fail2ban/master/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://vndh.net/note:fail2ban-089-denial-service","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2178"},{"url":"https://github.com/advisories/GHSA-4339-77hj-xqhj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2178","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2013-0192.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=10550","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-5023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2178","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7176","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7177","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-2178","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2013-08-28T17:18:00Z","modified":"2024-08-06T15:27:41.112Z","updated_at":"2026-11-02T14:34:56.19172Z"}],"euvd":[{"id":"EUVD-2013-2137","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2013-08-28T17:18:00Z","modified":"2024-08-06T15:27:41Z","updated_at":"2026-11-03T01:56:39.164386Z"}],"ghsa":[{"id":"GHSA-4339-77hj-xqhj","title":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files...","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2022-05-17T00:55:33Z","modified":"2023-02-03T05:02:48Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:14.247345Z"}],"nvd":[{"id":"CVE-2013-2178","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2013-08-28T23:55:10.597Z","modified":"2026-06-16T23:52:53.637Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:35.248411Z"}],"osv":[{"id":"CVE-2013-2178","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2013-08-28T23:55:10Z","modified":"2026-04-16T06:18:43.208088134Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-2178","description":"The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.","status":"published","published":"2013-08-28T23:55:10.597Z","modified":"2026-09-01T20:03:15.680324246Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2708-1","title":"fail2ban - denial of service","status":"published","published":"2013-06-16T00:00:00Z","modified":"2026-03-09T01:22:41.11406Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"MGASA-2013-0192","title":"Updated fail2ban packages fix CVE-2013-2178","description":"Krzysztof Katowicz-Kowalewski discovered a vulnerability in Fail2ban, a log\nmonitoring and system which can act on attack by preventing hosts to connect\nto specified services using the local firewall.\n\nWhen using Fail2ban to monitor Apache logs, improper input validation in log\nparsing could enable a remote attacker to trigger an IP ban on arbitrary\naddresses, thus causing a denial of service (CVE-2013-2178).\n","status":"published","published":"2013-07-01T19:09:27Z","modified":"2026-04-16T06:25:07.74886841Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"openSUSE-SU-2024:10347-1","title":"SuSEfirewall2-fail2ban-0.9.5-1.1 on GA media","description":"These are all security issues fixed in the SuSEfirewall2-fail2ban-0.9.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:43:17.657533Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}