Asseco InfoMedica is a comprehensive solution used to manage both administrative and medical tasks in the healthcare sector. Passwords of all users are stored in a database in an encoded format. An attacker in possession of these encoded passwords is able to decode them by using an algorithm embedded in the client-side part of the software. This vulnerability has been fixed in versions 4.50.1 and 5.38.0
The storage of passwords in a recoverable format makes them subject to password reuse attacks by malicious users. In fact, it should be noted that recoverable encrypted passwords provide no significant benefit over plaintext passwords since they are subject not only to reuse by malicious attackers but also by malicious insiders. If a system administrator can recover a password directly, or use a brute force search on the available information, the administrator can use the password on other accounts.