WordPress Simple:Press 4.3插件value参数SQL注入漏洞

BUGTRAQ ID: 41348 WordPress是一款免费的论坛Blog系统。 WordPress所使用的Simple:Press插件没有正确地过滤用户在搜索字段所输入的搜索变量便注入到了SQL查询中使用： sf-header-forum.php ---[snip]--- 385 # Add Search Vars 386 if(isset($_GET['search'])) 387 { 388 if($_GET['search'] != '') $sfvars['searchpage'] = sf_esc_int($_GET['search']); 389 if(isset($_GET['value']) ? $sfvars['searchvalue'] = stripslashes(urldecode($_GET['value'])) : $sfvars['searchvalue'] = ''); 390 if(isset($_GET['type']) ? $sfvars['searchtype'] = sf_esc_int($_GET['type']) : $sfvars['searchtype'] = 1); 400 if(isset($_GET['include']) ? $sfvars['searchinclude'] = sf_esc_int($_GET['include']) : $sfvars['searchinclude'] = 1); 401 if($sfvars['searchinclude'] == 0) $sfvars['searchinclude'] =1; 402 if($sfvars['searchtype'] == 0) $sfvars['searchtype'] =1; 403 } else { ---[snip]--- At the line 389, HTTP GET Request "value" defined as global variable $sfvars['searchvalue'] with filtering functions that stripslashes() and urldecode() but they can't secure it because in the sf-database.php file the global variable $sfvar['searchvalue'] inserted into sql query without any quotes/single quotes. sf-database.php ---[snip]--- ... 401 $searchvalue=urldecode($sfvars['searchvalue']); ... 404 if($sfvars['searchtype'] == 6) ... 409 $ANDWHERE = " AND topic_status_flag=".$sfvars['searchvalue']." "; 410 411 } elseif($sfvars['searchtype'] == 8) ... 414 $userid = $sfvars['searchvalue']; 415 $SELECT = "SELECT SQL_CALC_FOUND_ROWS DISTINCT "; 416 $MATCH = ""; 417 $ANDWHERE = " AND ".SFPOSTS.".user_id=".$userid." "; 418 419 } elseif($sfvars['searchtype'] == 9) ... 422 $userid = $sfvars['searchvalue']; ... 425 $ANDWHERE = " AND ".SFTOPICS.".user_id=".$userid." "; ... ---[snip]--- WordPress Simple:Press 4.3 厂商补丁： WordPress --------- 目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本： http://simple-press.com/