{"id":"GHSA-33xw-x3pr-rvqj","aliases":["CVE-2019-12473"],"title":"Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple","description":"Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.","severity":"high","score":7.5,"published":"2022-05-24T16:49:58.000Z","modified":"2024-05-19T02:24:42.421Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"mediawiki/core","ranges":[{"events":[{"introduced":"1.27.0"},{"fixed":"1.27.6"}],"type":"ECOSYSTEM"}],"versions":["1.27.0","1.27.1","1.27.2","1.27.3","1.27.4","1.27.5"],"fixed":["1.27.6"]},{"ecosystem":"Packagist","name":"mediawiki/core","ranges":[{"events":[{"introduced":"1.30.0"},{"fixed":"1.30.2"}],"type":"ECOSYSTEM"}],"versions":["1.30.0","1.30.1"],"fixed":["1.30.2"]},{"ecosystem":"Packagist","name":"mediawiki/core","ranges":[{"events":[{"introduced":"1.31.0"},{"fixed":"1.31.2"}],"type":"ECOSYSTEM"}],"versions":["1.31.0","1.31.1"],"fixed":["1.31.2"]},{"ecosystem":"Packagist","name":"mediawiki/core","ranges":[{"events":[{"introduced":"1.32.0"},{"fixed":"1.32.2"}],"type":"ECOSYSTEM"}],"versions":["1.32.0","1.32.1"],"fixed":["1.32.2"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2019-12473","https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12473.yaml","https://github.com/wikimedia/mediawiki","https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html","https://phabricator.wikimedia.org/T204729","https://seclists.org/bugtraq/2019/Jun/12","https://www.debian.org/security/2019/dsa-4460"],"sources":[{"name":"OSV","id":"GHSA-33xw-x3pr-rvqj","modified":"2024-05-19T02:24:42.421861Z","url":"https://osv.dev/vulnerability/GHSA-33xw-x3pr-rvqj"}],"assessments":[{"source":"OSV","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5}]}