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pentesting-web/oauth-to-account-takeover.md
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@ -7,7 +7,7 @@
* 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)!
* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **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)**.**
* **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)**.**
* **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).
</details>
@ -177,8 +177,6 @@ If you can get the **authorization code and use it with a different client then
### Happy Paths, XSS, Iframes & Post Messages to leak code & state values
### AWS Cognito <a href="#bda5" id="bda5"></a>
In this bug bounty report: [**https://security.lauritz-holtmann.de/advisories/flickr-account-takeover/**](https://security.lauritz-holtmann.de/advisories/flickr-account-takeover/) you can see that the **token** that **AWS Cognito** gives back to the user might have **enough permissions to overwrite the user data**. Therefore, if you can **change the user email for a different user email**, you might be able to **take over** others accounts.
@ -204,6 +202,12 @@ For more detailed info about how to abuse AWS cognito check:
{% embed url="https://cloud.hacktricks.xyz/pentesting-cloud/aws-pentesting/aws-unauthenticated-enum-access/aws-cognito-unauthenticated-enum" %}
### Two links & cookie <a href="#bda5" id="bda5"></a>
According to [**this writeup**](https://medium.com/@metnew/why-electron-apps-cant-store-your-secrets-confidentially-inspect-option-a49950d6d51f), it was possible to make a victim open a page with a **returnUrl** pointing to the attackers host. This info would be **stored in a cookie (RU)** and in a **later step** the **prompt** will **ask** the **user** if he wants to give access to that attackers host.
To bypass this prompt, it was possible to open a tab to initiate the **Oauth flow** that would set this RU cookie using the **returnUrl**, close the tab before the prompt is shown, and open a new tab without that value. Then, the **prompt won't inform about the attackers host**, but the cookie would be set to it, so the **token will be sent to the attackers host** in the redirection.
### SSRFs parameters <a href="#bda5" id="bda5"></a>
One of the hidden URLs that you may miss is the **Dynamic Client Registration endpoint**. In order to successfully authenticate users, OAuth servers need to know details about the client application, such as the "client\_name", "client\_secret", "redirect\_uris", and so on. These details can be provided via local configuration, but OAuth authorization servers may also have a **special registration endpoint**. This endpoint is normally mapped to "/register" and accepts POST requests with the following format:
@ -270,7 +274,7 @@ If the platform you are testing is an OAuth provider [**read this to test for po
* 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)!
* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **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)**.**
* **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)**.**
* **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).
</details>