VNX-66 – Improper Handling of File Names that Identify Virtual Resources

Overview

VNX-66 maps to CWE-66: Improper Handling of File Names that Identify Virtual Resources. Detects source patterns associated with CWE-66 (Improper Handling of File Names that Identify Virtual Resources). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-66 | Languages: c, cpp, csharp, go, java, python

Why This Matters

This weakness class (Improper Handling of File Names that Identify Virtual Resources) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-66 and surfaces them for review. Each finding should be evaluated in context — the rule catches the pattern, not the context.

What Gets Flagged

// FLAGGED: contains 'CON' pattern
CON

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-66 or a false positive.
  2. Replace the flagged construct with a documented safe alternative appropriate to your language and framework.
  3. For confirmed false positives, add a # vulnetix-ignore: VNX-66 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References