XDM in XFree86 3.3 and 3.3.3 generates easily guessable cookies using gettimeofday() when compiled with the HasXdmXauth option, which allows remote attackers to gain unauthorized access to the X display via a brute force attack.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/6808http://online.securityfocus.com/archive/1/195008http://www.securityfocus.com/archive/1/194907http://www.securityfocus.com/bid/2985
