CVE-2019-10086 Explained : Impact and Mitigation

Apache Commons Beanutils 1.9.2 introduced a BeanIntrospector class to prevent attackers from accessing the classloader through the class property in Java objects.

Understanding CVE-2019-10086

Apache Commons Beanutils vulnerability allowing information disclosure.

What is CVE-2019-10086?

In Apache Commons Beanutils 1.9.2, a new BeanIntrospector class was added to prevent attackers from accessing the classloader through the class property in Java objects.

The Impact of CVE-2019-10086

This vulnerability could lead to information disclosure, potentially exposing sensitive data to unauthorized parties.

Technical Details of CVE-2019-10086

Apache Commons Beanutils vulnerability details.

Vulnerability Description

A new BeanIntrospector class in Apache Commons Beanutils 1.9.2 aims to prevent attackers from accessing the classloader through the class property in Java objects.

Affected Systems and Versions

Product: Apache Commons Beanutils
Vendor: Apache
Versions affected: Apache Commons Beanutils 1.0 to 1.9.3

Exploitation Mechanism

Attackers could exploit this vulnerability to gain unauthorized access to sensitive information by bypassing the classloader restrictions.

Mitigation and Prevention

Protecting systems from CVE-2019-10086.

Immediate Steps to Take

Update Apache Commons Beanutils to version 1.9.4 to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities on the affected systems.

Long-Term Security Practices

Regularly update software and libraries to the latest versions to address known vulnerabilities.
Implement access controls and restrictions to limit unauthorized access to sensitive data.

Patching and Updates

Ensure that all systems using Apache Commons Beanutils are updated to version 1.9.4 to address the CVE-2019-10086 vulnerability.