CVE-2017-16879

Desbordamiento de búfer basado en pila en la función _nc_write_entry en tinfo/write_entry.c en ncurses en la versión 6.0 permite que los atacantes provoquen una denegación de servicio (cierre inesperado de la aplicación) o posiblemente ejecuten código arbitrario mediante un archivo terminfo manipulado, tal y como demuestra tic.

Hosein Askari discovered that ncurses was incorrectly performing memory management operations when dealing with long filenames while writing structures into the file system. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. Chung-Yi Lin discovered that ncurses was incorrectly handling access to invalid memory areas when parsing terminfo or termcap entries where the use-name had invalid syntax. An attacker could possibly use this issue to cause a denial of service.