The upgrade functionality in Malwarebytes Anti-Malware (MBAM) consumer before 2.0.3 and Malwarebytes Anti-Exploit (MBAE) consumer 1.04.1.1012 and earlier allow man-in-the-middle attackers to execute arbitrary code by spoofing the update server and uploading an executable.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-4936
• http://blog.0x3a.com/post/104954032239/cve-2014-4936-malwarebytes-anti-malware-and
• http://packetstormsecurity.com/files/130244/Malwarebytes-Anti-Malware-Anti-Exploit-Update-Remote-Code-Execution.html