{"id":"CVE-2013-4577","aliases":["DEBIAN-CVE-2013-4577","EUVD-2013-4435","GHSA-2mm6-f25m-73r7","UBUNTU-CVE-2013-4577"],"status":"published","title":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows...","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00384,"percentile":0.32753,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2014-05-12T14:00:00Z","modified":"2026-09-01T20:03:18Z","fixes":[{"ecosystem":"Debian:12","package":"grub2","fixed_in":["2.00-20"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"grub2","fixed_in":["2.00-20"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"grub2","fixed_in":["2.00-20"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"grub2","fixed_in":["2.00-20"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"grub2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.00-20"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"grub2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.00-20"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"grub2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.00-20"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"grub2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.00-20"}]}],"versions":["2.00-19ubuntu2","2.00-19ubuntu3","2.00-19ubuntu4"]}],"products":[{"vendor":"gnu","product":"grub"}],"references":[{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://seclists.org/oss-sec/2013/q4/291","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://seclists.org/oss-sec/2013/q4/292","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2024/01/15/3","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4577"},{"url":"https://github.com/advisories/GHSA-2mm6-f25m-73r7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4577","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-4577","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/11/14","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4577","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-4577","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:00:00Z","modified":"2025-02-13T16:27:10.807Z","updated_at":"2026-11-02T14:34:57.869657Z"}],"euvd":[{"id":"EUVD-2013-4435","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:00:00Z","modified":"2025-02-13T16:27:10Z","updated_at":"2026-11-03T00:03:53.290549Z"}],"ghsa":[{"id":"GHSA-2mm6-f25m-73r7","title":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows...","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2022-05-17T04:44:25Z","modified":"2024-01-16T03:30:18Z","updated_at":"2026-11-02T14:55:25.607975Z"}],"nvd":[{"id":"CVE-2013-4577","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:55:05.023Z","modified":"2026-06-16T23:57:29.11Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:50.049023Z"}],"osv":[{"id":"CVE-2013-4577","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:55:05Z","modified":"2026-04-10T03:44:31.330403Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-4577","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:55:05.023Z","modified":"2026-09-01T20:03:18.582722585Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"UBUNTU-CVE-2013-4577","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","status":"published","published":"2014-05-12T14:55:00Z","modified":"2025-09-08T16:43:04Z","updated_at":"2026-11-02T15:54:07.421078Z"}]}}