{"id":"UBUNTU-CVE-2016-6664","details":"mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17, when using file-based logging, allows local users with access to the mysql account to gain root privileges via a symlink attack on error logs and possibly other files.","modified":"2026-04-22T10:54:46.110236Z","published":"2016-12-13T21:59:00Z","upstream":["CVE-2016-6664"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-6664"},{"type":"REPORT","url":"http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html"},{"type":"REPORT","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html#AppendixMSQL"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-6664"}],"affected":[{"package":{"name":"mysql-5.5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/mysql-5.5@5.5.52-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.52-0ubuntu0.14.04.1"}]}],"versions":["5.5.32-0ubuntu7","5.5.34-0ubuntu1","5.5.34-0ubuntu2","5.5.35-0ubuntu1","5.5.35+dfsg-1ubuntu1","5.5.37-0ubuntu0.14.04.1","5.5.38-0ubuntu0.14.04.1","5.5.40-0ubuntu0.14.04.1","5.5.41-0ubuntu0.14.04.1","5.5.43-0ubuntu0.14.04.1","5.5.44-0ubuntu0.14.04.1","5.5.46-0ubuntu0.14.04.2","5.5.47-0ubuntu0.14.04.1","5.5.49-0ubuntu0.14.04.1","5.5.50-0ubuntu0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"libmysqlclient18"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"libmysqld-pic"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-client"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-client-5.5"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-client-core-5.5"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-common"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-server"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-server-5.5"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-server-core-5.5"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-source-5.5"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-testsuite"},{"binary_version":"5.5.52-0ubuntu0.14.04.1","binary_name":"mysql-testsuite-5.5"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6664.json"}},{"package":{"name":"mariadb-10.0","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mariadb-10.0@10.0.29-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.29-0ubuntu0.16.04.1"}]}],"versions":["10.0.20-0ubuntu0.15.04.1","10.0.22-0ubuntu1","10.0.23-1","10.0.23-2","10.0.24-7","10.0.25-0ubuntu0.16.04.1","10.0.27-0ubuntu0.16.04.1","10.0.28-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"libmariadbd18"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-client"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-client-10.0"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-client-core-10.0"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-common"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-plugin-connect"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-plugin-mroonga"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-plugin-oqgraph"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-plugin-spider"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-plugin-tokudb"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-server"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-server-10.0"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-server-core-10.0"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-test"},{"binary_version":"10.0.29-0ubuntu0.16.04.1","binary_name":"mariadb-test-data"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6664.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}