libraries/Config.class.php in phpMyAdmin 4.0.x before 4.0.10.10 4.2.x before 4.2.13.3 4.3.x before 4.3.13.1 and 4.4.x before 4.4.6.1 disables X.509 certificate verification for GitHub API calls over SSL which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.