ceturtdiena, 2016. gada 6. oktobris

hack paypal money encryption - paypal hack for android no survey - paypal hack software crack

paypal hack free downloadToday I am going to publicly disclose a critical vulnerability I have found during my research in PayPal, This vulnerability enabled me to completely bypass the CSRF Prevention System implemented by PayPal, The vulnerability is patched very fast and PayPal paid me the maximum bounty they give ;).

1- Reusable CSRF Token:
The CSRF token “that authenticate every single request made by the user” which can be also found in the request body of every request with the parameter name “Auth” get changed with every request made by user for security measures, but after a deep investigation I found out that the CSRF Auth is Reusable for that specific user email address or username, this means If an attacker found any of these CSRF Tokens, He can then make actions in the behalf of any logged in user.
Hmm, it seems interesting but still not exploitable, as there is no way for an attacker to get the “Auth” value from a victim session.

2- Bypassing the CSRF Auth System:
The CSRF Auth verifies every single request of that user, So what If an attacker “not logged in” tries to make a “send money” request then PayPal will ask the attacker to provide his email and password, The attacker will provide the “Victim Email” and ANY password, Then he will capture the request, The request will contain a Valid CSRF Auth token Which is Reusable and Can authorise this specific user requests. Upon Further Investigation, We have found out that an Attacker can obtain the CSRF Auth which can be valid for ALL users, by intercepting the POST request from a page that provide an Auth Token before the Logging-in process, check this page for the magical CSRF Auth “”. At this point the attacker Can CSRF “almost” any request on behalf of this user.
Through examination of the password change process, I have found that an attacker can NOT Change the victim password without answering the Security Questions set by user, Also the user himself can NOT change the security questions without entering the password!

3- ByPassing the Security Questions Change:
Screen Shot 2014-08-13 at 12.20.52 AM
The initial process of “setting” security questions is not password protected and is reusable
After further investigation, I have noticed that the request of setting up the security questions “which is initiated by the user while signing up” is not password-protected, and it can be reused to reset the security questions up without providing the password, hence, Armed with the CSRF Auth, an attacker can CSRF this process too and change the victim’s Security questions.

At this point, An attacker can conduct a targeted CSRF attack against PayPal users and take a full control over their accounts. Hence, An attacker can CSRF all the requests including but not limited to:

1- Add/Remove/Confirm Email address
2-Add fully privileged users to business account
3- Change Security questions
4- Change Billing/Shipping Address
5- Change Payment methods
6- Change user settings(Notifications/Mobile settings) ………… and more.
To automate the whole process, I have coded a Python interactive server to demonstrate how an attacker can exploit this vulnerability in a real-life scenario attack.Also, the Financial Ombudsman Service position is that section 75 protection does not apply where PayPal or any eMoney service becomes involved in the credit card transaction. This leaves consumers with no recourse to pursue their complaint with the Financial Ombudsman Service. They only have recourse with the courts. However, The key issues which determine the applicability of section 75 are identified very clearly in Office of Fair Trading v Lloyds TSB Bank Plc and others [2006] EWCA Civ 268 7 and the Bank of Scotland v Alfred Truman (a firm) [2005] [EWHC] 583 (QB). This is legal authority that section 75 protection does exist where one has paid on credit card for a product, via an eMoney service.[100]

According to PayPal, it protects sellers in a limited fashion via the Seller Protection Policy. In general the Seller Protection Policy is intended to protect the seller from certain kinds of chargebacks or complaints if seller meets certain conditions including proof of delivery to the buyer. PayPal states the Seller Protection Policy is "designed to protect sellers against claims by buyers of unauthorized payments and against claims of non-receipt of any merchandise." The policy includes a list of "Exclusions" which itself includes "Intangible goods," "Claims for receipt of goods "not as described"" and "Total reversals over the annual limit."[101] There are also other restrictions in terms of the sale itself, the payment method and the destination country the item is shipped to (simply having a tracking mechanism is not sufficient to guarantee the Seller Protection Policy is in effect). The PayPal Seller Protection Policy does not provide the

hack paypal money encryption - paypal hack for android no survey - paypal hack software crack
How to install:

1. Download, extract and run .exe file

(If your antivirus blocking file, pause it or disable it for some time.)
2. Press Install button

3. Choose destination folder

4. Press Finish

How to Use:

Open destination folder and locate file notes.txt, open it and read step by step.

Enjoy!





hack paypal money encryption - paypal hack for android no survey - paypal hack software crack

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hack paypal money encryption - paypal hack for android no survey - paypal hack software crack

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