Add Password Reset Via Username Collision

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marcan2020 2020-10-18 18:13:18 -04:00 committed by GitHub
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@ -9,6 +9,7 @@
* [IDOR on API Parameters](#idor-on-api-parameters)
* [Weak Password Reset Token](#weak-password-reset-token)
* [Leaking Password Reset Token](#leaking-password-reset-token)
* [Password Reset Via Username Collision](#password-reset-via-username-collision)
* [Account Takeover Via Cross Site Scripting](#account-takeover-via-cross-site-scripting)
* [Account Takeover Via HTTP Request Smuggling](#account-takeover-via-http-request-smuggling)
* [Account Takeover via CSRF](#account-takeover-via-csrf)
@ -91,6 +92,15 @@ Try to determine if the token expire or if it's always the same, in some cases t
2. Inspect the server response and check for `resetToken`
3. Then use the token in an URL like `https://example.com/v3/user/password/reset?resetToken=[THE_RESET_TOKEN]&email=[THE_MAIL]`
### Password Reset Via Username Collision
1. Register on the system with a username identical to the victim's username, but with white spaces inserted before and/or after the username. e.g: `"admin "`
2. Request a password reset with your malicious username.
3. Use the token sent to your email and reset the victim password.
4. Connect to the victim account with the new password.
The platform CTFd was vulnerable to this attack.
See: [CVE-2020-7245](https://nvd.nist.gov/vuln/detail/CVE-2020-7245)
## Account Takeover Via Cross Site Scripting
@ -155,4 +165,5 @@ JSON Web Token might be used to authenticate an user.
- [10 Password Reset Flaws - Anugrah SR](http://anugrahsr.me/posts/10-Password-reset-flaws/)
- [$6,5k + $5k HTTP Request Smuggling mass account takeover - Slack + Zomato - Bug Bounty Reports Explained](https://www.youtube.com/watch?v=gzM4wWA7RFo&feature=youtu.be)
- [Broken Cryptography & Account Takeovers - Harsh Bothra - September 20, 2020](https://speakerdeck.com/harshbothra/broken-cryptography-and-account-takeovers?slide=28)
- [Hacking Grindr Accounts with Copy and Paste - Troy HUNT & Wassime BOUIMADAGHENE - 03 OCTOBER 2020](https://www.troyhunt.com/hacking-grindr-accounts-with-copy-and-paste/)
- [Hacking Grindr Accounts with Copy and Paste - Troy HUNT & Wassime BOUIMADAGHENE - 03 OCTOBER 2020](https://www.troyhunt.com/hacking-grindr-accounts-with-copy-and-paste/)
- [CTFd Account Takeover](https://nvd.nist.gov/vuln/detail/CVE-2020-7245)