PHP的SQL漏洞修复！【中危漏洞】SQL_Injection_Vulnerability【编号：3303280】

发布网友 发布时间：2022-04-30 21:41

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懂视网 时间：2022-05-01 02:03

/**
 * 通用漏洞防护补丁
 * 功能说明：防护XSS,SQL,代码执行，文件包含等多种高危漏洞
 * Class CheckRequestServer
 */
class CheckRequestServer
{
 /**
 * 过滤提交数据正则
 * @var array
 */
 protected static $filterUrl = [
 ‘xss‘ => "\=\+\/v(?:8|9|\+|\/)|\%0acontent\-(?:id|location|type|transfer\-encoding)",
 ];

 /**
 * 过滤提交数据正则
 * @var array
 */
 protected static $filterArgs = [
 ‘xss‘ => "[\‘\"\;\*\<\>].*\bon[a-zA-Z]{3,15}[\s\r\n\v\f]*\=|\b(?:expression)\(|\<script[\s\\\/]|\<\!\[cdata\[|\b(?:eval|alert|prompt|msgbox)\s*\(|url\((?:\#|data|javascript)",
 ‘sql‘ => "[^\{\s]{1}(\s|\b)+(?:select\b|update\b|insert(?:(\/\*.*?\*\/)|(\s)|(\+))+into\b).+?(?:from\b|set\b)|[^\{\s]{1}(\s|\b)+(?:create|delete|drop|truncate|rename|desc)(?:(\/\*.*?\*\/)|(\s)|(\+))+(?:table\b|from\b|database\b)|into(?:(\/\*.*?\*\/)|\s|\+)+(?:dump|out)file\b|\bsleep\([\s]*[\d]+[\s]*\)|benchmark\(([^\,]*)\,([^\,]*)\)|(?:declare|set|select)\b.*@|union\b.*(?:select|all)\b|(?:select|update|insert|create|delete|drop|grant|truncate|rename|exec|desc|from|table|database|set|where)\b.*(charset|ascii|bin|char|uncompress|concat|concat_ws|conv|export_set|hex|instr|left|load_file|locate|mid|sub|substring|oct|reverse|right|unhex)\(|(?:master\.\.sysdatabases|msysaccessobjects|msysqueries|sysmodules|mysql\.db|sys\.database_name|information_schema\.|sysobjects|sp_makewebtask|xp_cmdshell|sp_oamethod|sp_addextendedproc|sp_oacreate|xp_regread|sys\.dbms_export_extension)",
 ‘other‘ => "\.\.[\\\/].*\%00([^0-9a-fA-F]|$)|%00[\‘\"\.]",
 ];

 /**
 * 数据过滤
 * @param $filterData
 * @param $filterArgs
 */
 protected static function filterData($filterData, $filterArgs)
 {
 foreach ($filterData as $key => $value) {
  if (!is_array($key)) {
  self::filterCheck($key, $filterArgs);
  } else {
  self::filterData($key, $filterArgs);
  }
  if (!is_array($value)) {
  self::filterCheck($value, $filterArgs);
  } else {
  self::filterData($value, $filterArgs);
  }
 }
 }

 /**
 * 数据检查
 * @param $str
 * @param $filterArgs
 */
 protected static function filterCheck($str, $filterArgs)
 {
 foreach ($filterArgs as $key => $value) {
  if (preg_match("/" . $value . "/is", $str) == 1 || preg_match("/" . $value . "/is", urlencode($str)) == 1) {
  //记录日志 - 信息拦截
  exit(‘您的提交带有不合法参数,谢谢合作‘);
  }
 }
 }

 /**
 * 数据检查入口
 */
 public static function run()
 {
 $referer = empty($_SERVER[‘HTTP_REFERER‘]) ? [] : [$_SERVER[‘HTTP_REFERER‘]];
 $queryString = empty($_SERVER["QUERY_STRING"]) ? [] : [$_SERVER["QUERY_STRING"]];

 self::filterData($queryString, self::$filterUrl);
 self::filterData($_GET, self::$filterArgs);
 self::filterData($_POST, self::$filterArgs);
 self::filterData($_COOKIE, self::$filterArgs);
 self::filterData($referer, self::$filterArgs);
 }
}
CheckRequestServer::run();

php检查漏洞防护补丁-防护XSS,SQL，文件包含等多种高危漏洞

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热心网友 时间：2022-04-30 23:11

攻击方法就在：

request:{"body":"ClassID=1+and%281%3D1%29","header":"POST /m/dianhua.asp HTTP 1.1
Content-Length: 24

/m/dianhua.asp这里，即你要修复的位置。

热心网友 时间：2022-05-01 00:29