{"id":"GHSA-whgv-8cg3-7hcm","aliases":["CVE-2016-4423"],"title":"Symphony Denial of Service Via Overlong Usernames","description":"The attemptAuthentication function in `Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php` in Symfony before 2.3.41, 2.7.x before 2.7.13, 2.8.x before 2.8.6, and 3.0.x before 3.0.6 does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of authentication attempts with long, non-existent usernames.","severity":"high","score":7.5,"published":"2022-05-17T03:54:47.000Z","modified":"2024-12-08T05:43:41.795Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"symfony/security-http","ranges":[{"events":[{"introduced":"2.3.0"},{"fixed":"2.3.41"}],"type":"ECOSYSTEM"}],"versions":[],"fixed":["2.3.41"]},{"ecosystem":"Packagist","name":"symfony/security-http","ranges":[{"events":[{"introduced":"2.4.0"},{"fixed":"2.7.13"}],"type":"ECOSYSTEM"}],"versions":["v2.4.0","v2.4.1","v2.4.10","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.0-BETA1","v2.5.0-BETA2","v2.5.0-RC1","v2.5.1","v2.5.10","v2.5.11","v2.5.12","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.5.8","v2.5.9","v2.6.0","v2.6.0-BETA1","v2.6.0-BETA2","v2.6.1","v2.6.10","v2.6.11","v2.6.12","v2.6.13","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6","v2.6.7","v2.6.8","v2.6.9","v2.7.0","v2.7.0-BETA1","v2.7.0-BETA2","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.2","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"],"fixed":["2.7.13"]},{"ecosystem":"Packagist","name":"symfony/security-http","ranges":[{"events":[{"introduced":"2.8.0"},{"fixed":"2.8.6"}],"type":"ECOSYSTEM"}],"versions":["v2.8.0","v2.8.1","v2.8.2","v2.8.3","v2.8.4","v2.8.5"],"fixed":["2.8.6"]},{"ecosystem":"Packagist","name":"symfony/security-http","ranges":[{"events":[{"introduced":"3.0.0"},{"fixed":"3.0.6"}],"type":"ECOSYSTEM"}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5"],"fixed":["3.0.6"]},{"ecosystem":"Packagist","name":"symfony/security","ranges":[{"events":[{"introduced":"2.3.0"},{"fixed":"2.3.41"}],"type":"ECOSYSTEM"}],"versions":["v2.3.0","v2.3.1","v2.3.10","v2.3.11","v2.3.12","v2.3.13","v2.3.14","v2.3.15","v2.3.16","v2.3.17","v2.3.18","v2.3.19","v2.3.2","v2.3.20","v2.3.21","v2.3.22","v2.3.23","v2.3.24","v2.3.25","v2.3.26","v2.3.27","v2.3.28","v2.3.29","v2.3.3","v2.3.30","v2.3.31","v2.3.32","v2.3.33","v2.3.34","v2.3.35","v2.3.36","v2.3.37","v2.3.38","v2.3.39","v2.3.4","v2.3.40","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9"],"fixed":["2.3.41"]},{"ecosystem":"Packagist","name":"symfony/security","ranges":[{"events":[{"introduced":"2.4.0"},{"fixed":"2.7.13"}],"type":"ECOSYSTEM"}],"versions":["v2.4.0","v2.4.1","v2.4.10","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.0-BETA1","v2.5.0-BETA2","v2.5.0-RC1","v2.5.1","v2.5.10","v2.5.11","v2.5.12","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.5.8","v2.5.9","v2.6.0","v2.6.0-BETA1","v2.6.0-BETA2","v2.6.1","v2.6.10","v2.6.11","v2.6.12","v2.6.13","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6","v2.6.7","v2.6.8","v2.6.9","v2.7.0","v2.7.0-BETA1","v2.7.0-BETA2","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.2","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"],"fixed":["2.7.13"]},{"ecosystem":"Packagist","name":"symfony/security","ranges":[{"events":[{"introduced":"2.8.0"},{"fixed":"2.8.6"}],"type":"ECOSYSTEM"}],"versions":["v2.8.0","v2.8.1","v2.8.2","v2.8.3","v2.8.4","v2.8.5"],"fixed":["2.8.6"]},{"ecosystem":"Packagist","name":"symfony/security","ranges":[{"events":[{"introduced":"3.0.0"},{"fixed":"3.0.6"}],"type":"ECOSYSTEM"}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5"],"fixed":["3.0.6"]},{"ecosystem":"Packagist","name":"symfony/symfony","ranges":[{"events":[{"introduced":"2.3.0"},{"fixed":"2.3.41"}],"type":"ECOSYSTEM"}],"versions":["v2.3.0","v2.3.1","v2.3.10","v2.3.11","v2.3.12","v2.3.13","v2.3.14","v2.3.15","v2.3.16","v2.3.17","v2.3.18","v2.3.19","v2.3.2","v2.3.20","v2.3.21","v2.3.22","v2.3.23","v2.3.24","v2.3.25","v2.3.26","v2.3.27","v2.3.28","v2.3.29","v2.3.3","v2.3.30","v2.3.31","v2.3.32","v2.3.33","v2.3.34","v2.3.35","v2.3.36","v2.3.37","v2.3.38","v2.3.39","v2.3.4","v2.3.40","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9"],"fixed":["2.3.41"]},{"ecosystem":"Packagist","name":"symfony/symfony","ranges":[{"events":[{"introduced":"2.4.0"},{"fixed":"2.7.13"}],"type":"ECOSYSTEM"}],"versions":["v2.4.0","v2.4.1","v2.4.10","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.0-BETA1","v2.5.0-BETA2","v2.5.0-RC1","v2.5.1","v2.5.10","v2.5.11","v2.5.12","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.5.8","v2.5.9","v2.6.0","v2.6.0-BETA1","v2.6.0-BETA2","v2.6.1","v2.6.10","v2.6.11","v2.6.12","v2.6.13","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6","v2.6.7","v2.6.8","v2.6.9","v2.7.0","v2.7.0-BETA1","v2.7.0-BETA2","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.2","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"],"fixed":["2.7.13"]},{"ecosystem":"Packagist","name":"symfony/symfony","ranges":[{"events":[{"introduced":"2.8.0"},{"fixed":"2.8.6"}],"type":"ECOSYSTEM"}],"versions":["v2.8.0","v2.8.1","v2.8.2","v2.8.3","v2.8.4","v2.8.5"],"fixed":["2.8.6"]},{"ecosystem":"Packagist","name":"symfony/symfony","ranges":[{"events":[{"introduced":"3.0.0"},{"fixed":"3.0.6"}],"type":"ECOSYSTEM"}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5"],"fixed":["3.0.6"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2016-4423","https://github.com/symfony/symfony/pull/18733","https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2016-4423.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-4423.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-4423.yaml","https://github.com/symfony/symfony","https://symfony.com/blog/cve-2016-4423-large-username-storage-in-session","https://symfony.com/cve-2016-4423","http://www.debian.org/security/2016/dsa-3588"],"sources":[{"name":"OSV","id":"GHSA-whgv-8cg3-7hcm","modified":"2024-12-08T05:43:41.795128Z","url":"https://osv.dev/vulnerability/GHSA-whgv-8cg3-7hcm"}],"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}]}