ProFTPD SFTP Integer Overflow vulnerability

A vulnerability has been identified in ProFTPD, which can be exploited by remote user can cause denial of service conditions.

A remote user can send specially crafted data to trigger an integer overflow in the sftp_kbdint_recv_response() function in 'contrib/mod_sftp/kbdint.c' and consume excessive memory resources on the target system.

Systems configured with mod_sftp and mod_sftp_pam are affected.