COMMON WEAKNESS ENUMERATIONDraft

CWE-231

Improper Handling of Extra Values

The product does not handle or incorrectly handles when more values are provided than expected.

Abstraction

Variant

Structure

Simple

Likelihood of Exploit

Medium

Understand the problem

What is the problem?

The product does not handle or incorrectly handles when more values are provided than expected.

Root cause

How and when does the problem arise?

Lifecycle phase

Implementation

This typically occurs in situations when only one value is expected.

Risk

What does successful exploitation lead to?

Unexpected State

Affected security scopes: Integrity

Defence

How is it prevented and fixed?

  • Follow secure coding guidelines for input handling and boundary checking.
  • Enforce strict security reviews and automated static analysis (SAST) checks.