Netkit FTP Server: Denial of Service

Netkit FTP Server: Denial of Service Netkit FTP Server contains a Denial of Service vulnerability. netkit-ftpd 2008-01-29 2008-01-29: 01 199206 remote 0.17-r7 0.17-r7

net-ftp/netkit-ftpd is the Linux Netkit FTP server with optional SSL support.

Venustech AD-LAB discovered that an FTP client connected to a vulnerable server with passive mode and SSL support can trigger an fclose() function call on an uninitialized stream in ftpd.c.

A remote attacker can send specially crafted FTP data to a server with passive mode and SSL support, causing the ftpd daemon to crash.

Disable passive mode or SSL.

All Netkit FTP Server users should upgrade to the latest version:


    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-ftp/netkit-ftpd-0.17-r7"

CVE-2007-6263 rbu falco falco