Trend Micro Encryption for Email Gateway emailSearch SearchString SQL Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary SQL statements on vulnerable installations of Trend Micro Encryption for Email Gateway. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the wsEmailSearch class. When parsing the SearchString parameter, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code under the context of root.