The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to (1) execute arbitrary code via unspecified vectors involving crafted base64 encoded NTLM Type 3 messages, or (2) cause a denial of service via crafted base64 encoded NTLM Type 1 messages, which trigger a buffer over-read.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29287
https://exchange.xforce.ibmcloud.com/vulnerabilities/29286
http://www.vupen.com/english/advisories/2006/3862
http://www.securityfocus.com/bid/20290
http://www.mailenable.com/hotfix/