CVE-2020-5604 : Exploit Details and Defense Strategies
Learn about CVE-2020-5604, a vulnerability in Android App 'Mercari' (Japan version) prior to version 3.52.0 allowing arbitrary method execution. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Android App 'Mercari' (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a Man-In-The-Middle attack by using Java Reflection API of JavaScript code on WebView.
Understanding CVE-2020-5604
Android App 'Mercari' (Japan version) prior to version 3.52.0 is vulnerable to arbitrary method execution, posing a security risk.
What is CVE-2020-5604?
CVE-2020-5604 is a vulnerability in the Android App 'Mercari' (Japan version) that enables a remote attacker to execute arbitrary methods on a Java object through a Man-In-The-Middle attack using the Java Reflection API of JavaScript code on WebView.
The Impact of CVE-2020-5604
This vulnerability allows attackers to manipulate Java objects, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.
Technical Details of CVE-2020-5604
Android App 'Mercari' (Japan version) prior to version 3.52.0 has the following technical details:
Vulnerability Description
The vulnerability allows for arbitrary method execution on Java objects through a Man-In-The-Middle attack using the Java Reflection API of JavaScript code on WebView.
Affected Systems and Versions
- Product: Android App 'Mercari' (Japan version)
- Vendor: Mercari, Inc.
- Versions Affected: Prior to version 3.52.0
Exploitation Mechanism
The vulnerability is exploited by a remote attacker through a Man-In-The-Middle attack, leveraging the Java Reflection API of JavaScript code on WebView.
Mitigation and Prevention
To address CVE-2020-5604, consider the following mitigation strategies:
Immediate Steps to Take
- Update the Android App 'Mercari' to version 3.52.0 or later to eliminate the vulnerability.
- Avoid using unsecured networks to reduce the risk of Man-In-The-Middle attacks.
Long-Term Security Practices
- Regularly update applications to the latest versions to patch known vulnerabilities.
- Implement secure coding practices to prevent similar issues in the future.
- Educate users on safe browsing habits and the risks associated with untrusted networks.
Patching and Updates
- Stay informed about security updates and patches released by Mercari, Inc. to address vulnerabilities like CVE-2020-5604.