CVE-2013-4669 Information

Description

FortiClient before 4.3.5.472 on Windows before 4.0.3.134 on Mac OS X and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and FortiClient SSL VPN before 4.0.2258 on Linux proceed with an SSL session after determining that the server’s X.509 certificate is invalid which allows man-in-the-middle attackers to obtain sensitive information by leveraging a password transmission that occurs before the user warning about the certificate problem.

Reference

http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0001.html http://objectif-securite.ch/forticlient_bulletin.php http://www.fortiguard.com/advisory/Potential-Man-In-The-Middle-Vulnerability-in-FortiClient-VPN/ http://www.securityfocus.com/bid/59604