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Several times the back-end trust the Host header to perform some actions. For example, it could use its value as the domain to send a password reset. So when you receive an email with a link to reset your password, the domain being used is the one you put in the Host header.Then, you can request the password reset of other users and change the domain to one controlled by you to steal their password reset codes. WriteUp.
Some times when you complete some verification correctly the back-end will just add a boolean with the value "True" to a security attribute your session. Then, a different endpoint will know if you successfully passed that check.
However, if you pass the check and your sessions is granted that "True" value in the security attribute, you can try to access other resources that depends on the same attribute but that you shouldn't have permissions to access. WriteUp.
Try to register as an already existent user. Try also using equivalent characters (dots, lots of spaces and Unicode).
Register an email, before confirming it change the email, then, if the new confirmation email is sent to the first registered email,you can takeover any email. Or if you can enable the second email confirming the firt one, you can also takeover any account.
{% embed url="https://yourcompanyname.atlassian.net/servicedesk/customer/user/login" %}
Developers might forget to disable various debugging options in the production environment. For example, the HTTP TRACE method is designed for diagnostic purposes. If enabled, the web server will respond to requests that use the TRACE method by echoing in the response the exact request that was received. This behaviour is often harmless, but occasionally leads to information disclosure, such as the name of internal authentication headers that may be appended to requests by reverse proxies.
Support HackTricks and get benefits!
Do you work in a cybersecurity company? Do you want to see your company advertised in HackTricks? or do you want to have access the latest version of the PEASS or download HackTricks in PDF? Check the SUBSCRIPTION PLANS!
Discover The PEASS Family, our collection of exclusive NFTs
Get the official PEASS & HackTricks swag
Join the 💬 Discord group or the telegram group or follow me on Twitter 🐦@carlospolopm.
Share your hacking tricks submitting PRs to the hacktricks github repo.