{"id":"CVE-2012-5642","aliases":["DEBIAN-CVE-2012-5642","EUVD-2012-5526","GHSA-mxxq-p5rj-2jcc"],"status":"published","title":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag...","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03123,"percentile":0.87926,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2012-12-31T11:00:00Z","modified":"2026-10-23T17:47:41Z","fixes":[{"ecosystem":"Debian:12","package":"fail2ban","fixed_in":["0.8.6-3wheezy1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fail2ban","fixed_in":["0.8.6-3wheezy1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fail2ban","fixed_in":["0.8.6-3wheezy1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.6-3wheezy1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.6-3wheezy1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.6-3wheezy1"}]}]}],"products":[{"vendor":"fail2ban","product":"fail2ban"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/12/17/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://github.com/fail2ban/fail2ban/commit/83109bc","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://sourceforge.net/mailarchive/message.php?msg_id=30193056","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://raw.github.com/fail2ban/fail2ban/master/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://bugs.gentoo.org/show_bug.cgi?id=447572","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00002.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=887914","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:078","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00001.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5642"},{"url":"https://github.com/advisories/GHSA-mxxq-p5rj-2jcc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5642","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-5642","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2012-12-31T11:00:00Z","modified":"2024-08-06T21:14:16.279Z","updated_at":"2026-11-02T14:34:49.246229Z"}],"euvd":[{"id":"EUVD-2012-5526","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2012-12-31T11:00:00Z","modified":"2024-08-06T21:14:16Z","updated_at":"2026-11-03T01:56:04.46975Z"}],"ghsa":[{"id":"GHSA-mxxq-p5rj-2jcc","title":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag...","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2022-05-17T04:56:47Z","modified":"2023-01-28T05:02:59Z","updated_at":"2026-11-02T14:43:53.106327Z"}],"nvd":[{"id":"CVE-2012-5642","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2012-12-31T11:50:27.89Z","modified":"2026-06-16T23:47:08.527Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:16.958223Z"}],"osv":[{"id":"CVE-2012-5642","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2012-12-31T11:50:27Z","modified":"2026-04-10T03:43:14.629297Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5642","description":"server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.","status":"published","published":"2012-12-31T11:50:27.89Z","modified":"2026-10-23T17:47:41.294412821Z","updated_at":"2026-11-02T15:45:25.218101Z"}]}}