Дырка в bash (temp files)

При многострочном вводе пользователя создается временный файл без проверки символьных линков...

CVE-1999-1048

Buffer overflow in bash 2.0.0, 1.4.17, and other versions allows local attackers to gain privileges by creating an extremely large directory name, which is inserted into the password prompt via the \w option in the PS1 environmental variable when another user changes into that directory...