make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.
make_ftp_cmd en main.c en ProFTPD anterior a 1.3.8a tiene una lectura fuera de los límites de un byte y el daemon falla debido a un mal manejo de las semánticas de quote/backslash.
Fabian Bäumer, Marcus Brinkmann, and Joerg Schwenk discovered that the transport protocol implementation in ProFTPD had weak integrity checks. An attacker could use this vulnerability to bypass security features like encryption and integrity checks. Martin Mirchev discovered that ProFTPD did not properly validate user input over the network. An attacker could use this vulnerability to crash ProFTPD or execute arbitrary code.