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before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the \"|\" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"17405","Ordinal":"2","NoteData":"2017-12-15","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"17405","Ordinal":"3","NoteData":"2019-09-19","Type":"Other","Title":"Modified"}]}}}