Ruby < 2.2.8 / < 2.3.5 / < 2.4.2 / < 2.5.0-preview1 - 'NET::Ftp' Command Injection

While using NET::Ftp I realised you could get command execution through "malicious" file names. The problem lies in the gettextfileremotefile, localfile = File.basenameremotefile method. When looking at the source code, you'll note: def gettextfileremotefile, localfile = File.basenameremotefile,...