{"id":"UBUNTU-CVE-2012-5615","details":"Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote attackers to enumerate valid usernames.","modified":"2026-04-22T09:18:11.621429Z","published":"2012-12-03T00:00:00Z","related":["USN-2384-1"],"upstream":["CVE-2012-5615"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-5615"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2012/Dec/9"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2012/12/02/4"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2012/12/02/3"},{"type":"REPORT","url":"http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2384-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-5615"}],"affected":[{"package":{"name":"mysql-5.5","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/mysql-5.5@5.5.40-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.40-0ubuntu0.14.04.1"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libmysqlclient18","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"libmysqld-pic","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-client","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-client-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-client-core-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-common","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-server","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-server-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-server-core-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-source-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-testsuite","binary_version":"5.5.40-0ubuntu0.14.04.1"},{"binary_name":"mysql-testsuite-5.5","binary_version":"5.5.40-0ubuntu0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-5615.json"}},{"package":{"name":"mysql-5.6","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/mysql-5.6@5.6.27-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.27-0ubuntu0.14.04.1"}]}],"versions":["5.6.15-0ubuntu1","5.6.15-1~exp2","5.6.16-1~exp1","5.6.17-0ubuntu0.14.04.1","5.6.19-0ubuntu0.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"mysql-client-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-client-core-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-common-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-server-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-server-core-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-source-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"},{"binary_name":"mysql-testsuite-5.6","binary_version":"5.6.27-0ubuntu0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-5615.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}