Let’s imagine a situation where we want to write a pure Java application that must download files from a remote computer running an FTP server. We also want to filter downloads on the basis of remote ...

The Java and Python runtimes fail to properly validate FTP URLs, which can potentially allow attackers to punch holes through firewalls to access local networks. On Saturday, security researcher ...

Both Java and Python contain similar security flaws that allow an attacker to bypass firewalls by injecting malicious commands inside FTP URLs. The problems arise from the way Java and Python (through ...