{"id":"UBUNTU-CVE-2016-9849","details":"An issue was discovered in phpMyAdmin. It is possible to bypass AllowRoot restriction ($cfg['Servers'][$i]['AllowRoot']) and deny rules for username by using Null Byte in the username. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.","modified":"2026-02-04T03:48:41.785705Z","published":"2016-12-11T02:59:00Z","related":["USN-4843-1"],"upstream":["CVE-2016-9849"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-9849"},{"type":"REPORT","url":"https://www.phpmyadmin.net/security/PMASA-2016-60/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-9849"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4843-1"}],"affected":[{"package":{"name":"phpmyadmin","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/phpmyadmin@4:4.0.10-1ubuntu0.1+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:4.0.10-1ubuntu0.1+esm3"}]}],"versions":["4:4.0.6-1","4:4.0.8-1","4:4.0.9-1","4:4.0.10-1","4:4.0.10-1ubuntu0.1","4:4.0.10-1ubuntu0.1+esm1","4:4.0.10-1ubuntu0.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"phpmyadmin","binary_version":"4:4.0.10-1ubuntu0.1+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9849.json"}},{"package":{"name":"phpmyadmin","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/phpmyadmin@4:4.5.4.1-2ubuntu2.1+esm5?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:4.5.4.1-2ubuntu2.1+esm5"}]}],"versions":["4:4.4.13.1-1","4:4.5.0.2-2","4:4.5.1-1","4:4.5.1-2","4:4.5.1-3","4:4.5.2-1","4:4.5.2-2","4:4.5.3.1-1","4:4.5.4-1","4:4.5.4.1-2","4:4.5.4.1-2ubuntu1","4:4.5.4.1-2ubuntu2","4:4.5.4.1-2ubuntu2.1","4:4.5.4.1-2ubuntu2.1+esm2","4:4.5.4.1-2ubuntu2.1+esm3","4:4.5.4.1-2ubuntu2.1+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"phpmyadmin","binary_version":"4:4.5.4.1-2ubuntu2.1+esm5"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9849.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}