{"id":"CVE-2012-4382","aliases":["DEBIAN-CVE-2012-4382","EUVD-2012-4325","GHSA-qxg6-q47j-rhmf","UBUNTU-CVE-2012-4382"],"status":"published","title":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata,...","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","severity":{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01201,"percentile":0.68418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2017-10-19T21:00:00Z","modified":"2026-10-23T18:01:06Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.19.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.19.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.19.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.2-1"}]}]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/08/31/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix","report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://phabricator.wikimedia.org/T41823","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/31/10","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","advisory","article","fix"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4382"},{"url":"https://github.com/advisories/GHSA-qxg6-q47j-rhmf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-4382","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-4382","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-4382","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-4382","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2017-10-19T21:00:00Z","modified":"2024-08-06T20:35:08.977Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4325","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2017-10-19T21:00:00Z","modified":"2024-08-06T20:35:08Z","updated_at":"2026-11-03T01:56:08.44938Z"}],"ghsa":[{"id":"GHSA-qxg6-q47j-rhmf","title":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata,...","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2022-05-17T00:29:22Z","modified":"2023-02-03T05:01:49Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:53:02.755418Z"}],"nvd":[{"id":"CVE-2012-4382","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2017-10-19T21:29:00.283Z","modified":"2026-06-16T23:44:54.78Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:18.043773Z"}],"osv":[{"id":"CVE-2012-4382","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2017-10-19T21:29:00Z","modified":"2026-04-10T03:42:27.503228Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-4382","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"published","published":"2017-10-19T21:29:00.283Z","modified":"2026-10-23T18:01:06.05721638Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"UBUNTU-CVE-2012-4382","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.","status":"withdrawn","published":"2017-10-19T21:29:00Z","modified":"2025-07-16T07:31:01.231082Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:06.854805Z"}]}}