CVE-2020-7643 : Security Advisory and Response
Learn about CVE-2020-7643 affecting paypal-adaptive up to version 0.4.2. Understand the impact, exploitation method, and mitigation steps for this Prototype Pollution vulnerability.
A vulnerability in paypal-adaptive versions up to 0.4.2 allows for Prototype Pollution through JavaScript object manipulation.
Understanding CVE-2020-7643
This CVE involves a security issue in the paypal-adaptive library that could lead to potential exploitation through Prototype Pollution.
What is CVE-2020-7643?
The vulnerability in paypal-adaptive versions up to 0.4.2 enables attackers to manipulate JavaScript objects, potentially resulting in Prototype Pollution. By using a proto payload, malicious actors can add or modify properties of Object.prototype, impacting the behavior of the PayPal function.
The Impact of CVE-2020-7643
Exploitation of this vulnerability could lead to unauthorized modifications of object properties, potentially allowing attackers to execute arbitrary code, bypass security restrictions, or perform other malicious actions within the affected application.
Technical Details of CVE-2020-7643
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in paypal-adaptive versions up to 0.4.2 allows for the manipulation of JavaScript objects, leading to Prototype Pollution. Attackers can exploit this to alter the behavior of the PayPal function.
Affected Systems and Versions
- Product: paypal-adaptive
- Vendor: n/a
- Versions affected: All versions including 0.4.2
Exploitation Mechanism
The vulnerability can be exploited by injecting a proto payload to manipulate JavaScript objects, potentially causing Prototype Pollution.
Mitigation and Prevention
Protecting systems from CVE-2020-7643 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the paypal-adaptive library to a patched version that addresses the Prototype Pollution vulnerability.
- Monitor for any suspicious activities or unauthorized changes to object properties within the application.
Long-Term Security Practices
- Regularly review and update dependencies to ensure using the latest secure versions.
- Implement input validation and output encoding to mitigate potential injection attacks.
- Educate developers on secure coding practices to prevent similar vulnerabilities in the future.
Patching and Updates
Ensure timely patching of the paypal-adaptive library to the latest secure version that addresses the Prototype Pollution vulnerability.