CWE-491: Public cloneable() Method Without Final ('Object Hijack')

Description

A class has a cloneable() method that is not declared final, which allows an object to be created without calling the constructor. This can cause the object to be in an unexpected state.

Potential Impact

Integrity: Unexpected State

How to Fix

Implementation

Make the cloneable() method final.

Detection Methods

Automated Static Analysis: Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without havin...

Related Weaknesses

References

View on MITRE CWE Database →

Need Help Fixing This Vulnerability?

Our security experts can help you identify and remediate CWE-491 vulnerabilities in your codebase.

Get Security Assessment