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Wednesday, 1 July 2020

Server Side Request Forgery Attack SSRF Explaination with Lab Practical


So, lets about another kind of forgery attack called as Server Side Request Forgery Attack ( SSRF ).so, this attack SSRF is similar to CSRF but there are two differences the first one CSRF is works on client side and the second one SSRF is works on server side attack.



Server Side Request Forgery Attack SSRF Explaination with Lab Practical




So, before going further let me give you one example - How does SSRF attack is works. just one example there is web application which process user URL means we will give on URL and that web application will download a particular file which will be presented there that URL so now what happened is that web application displaying us the response of that server from whom it's a downloading that's file so if it not sanitizing the response which mightly port scanning which means users can scan the port of particular website through the vulnerable web application which processsing the user's URL and Here you can see i have written here XSPA, so XSPA stand for cross site port attack so XSPA is actually the part a Cross Site Request Forgery through which attacker can stand for open ports of targeted web server with the help of vulnerable web application which is processing user's URL. If this attack is successful than attacker can do Port scanning, Fingerprinting and even the attacker can read server internal files by using file protocol. Portswigger




This Vulnerability can be used for:

  • Port Scanning
  • Fingerprinting intranet
  • Attacking internal/external web applications
  • Reading local web server files using the file:///protocol handler.

What is SSRF?


Server-side request forgery (also known as SSRF) is a web security vulnerability that allows an attacker to induce the server-side application to make HTTP requests to an arbitrary domain of the attacker's choosing. Server Side Request Forgery Attack SSRF Explaination with Lab Practical


In typical SSRF examples, the attacker might cause the server to make a connection back to itself, or to other web-based services within the organization's infrastructure, or to external third-party systems.



What is the impact of SSRF attacks?



A successful SSRF attack can often result in unauthorized actions or access to data within the organization, either in the vulnerable application itself or on other back-end systems that the application can communicate with. In some situations, the SSRF vulnerability might allow an attacker to perform arbitrary command execution (ACE).


An SSRF exploit that causes connections to external third-party systems might result in malicious onward attacks that appear to originate from the organization hosting the vulnerable application, leading to potential legal liabilities and reputational damage.


Common SSRF attacks


SSRF attacks often exploit trust relationships to escalate an attack from the vulnerable application and perform unauthorized actions. These trust relationships might exist in relation to the server itself, or in relation to other back-end systems within the same organization.



Practical about SSRF with Lab :- Click Here



See also :

CSRF Attack Website :- Click Here 

CSRF Attack Video :- Click Here




Video Tutorial :- 

 

      



Practical Video : -  4:00 - End 

Disclaimer


This was written for educational purpose and pentest only.
The author will not be responsible for any damage ..!
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This information shall only be used to expand knowledge and not for causing  malicious or damaging attacks. Performing any hacks without written permission is illegal ..!


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- Hacking Truth by Kumar Atul Jaiswal





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My Self Kumar Atul Jaiswal Urf HackerboY and Kumar Atul Jaiswal is a name among millions who struggled failed and surged ahead in search of how to become a Hacker ( passionate about Hacking just like profession an entrepreneur ), just like any middle class guy, he too had a bunch of unclear dreams and a blurred version of his goals in life 😊.

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