{"id":"CVE-2009-5023","aliases":["DEBIAN-CVE-2009-5023","EUVD-2009-4981","GHSA-h7g6-frrr-69cx","openSUSE-SU-2024:10347-1"],"status":"published","title":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf...","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","severity":{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:C/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0034,"percentile":0.27727,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59"],"published":"2014-06-10T14:00:00Z","modified":"2026-10-23T17:47:30Z","fixes":[{"ecosystem":"Debian:12","package":"fail2ban","fixed_in":["0.8.4+svn20110323-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fail2ban","fixed_in":["0.8.4+svn20110323-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fail2ban","fixed_in":["0.8.4+svn20110323-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4+svn20110323-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4+svn20110323-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fail2ban","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4+svn20110323-1"}]}]},{"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://github.com/fail2ban/fail2ban/blob/sdist/0.8.5/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://security.gentoo.org/glsa/glsa-201406-03.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=544232","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/58841","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-5023"},{"url":"https://github.com/advisories/GHSA-h7g6-frrr-69cx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-5023","tags":["advisory"]},{"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-2009-5023","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2014-06-10T14:00:00Z","modified":"2024-08-07T07:24:54.054Z","updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2009-4981","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2014-06-10T14:00:00Z","modified":"2024-08-07T07:24:54Z","updated_at":"2026-11-03T01:39:08.21747Z"}],"ghsa":[{"id":"GHSA-h7g6-frrr-69cx","title":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf...","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2022-05-02T04:00:42Z","modified":"2023-01-31T05:09:22Z","cwes":["CWE-59"],"updated_at":"2026-11-02T14:49:30.8182Z"}],"nvd":[{"id":"CVE-2009-5023","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2014-06-10T14:55:08.757Z","modified":"2026-06-16T23:14:50.923Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:C/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:01:38.684719Z"}],"osv":[{"id":"CVE-2009-5023","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2014-06-10T14:55:08Z","modified":"2026-04-10T03:41:03.89573Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-5023","description":"The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.","status":"published","published":"2014-06-10T14:55:08.757Z","modified":"2026-10-23T17:47:30.395869813Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"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"}]}}