VNX-117 – Improper Output Neutralization for Logs

Overview

VNX-117 maps to CWE-117: Improper Output Neutralization for Logs. Detects source patterns associated with CWE-117 (Improper Output Neutralization for Logs). Each finding should be manually reviewed for exploitability in context.

Severity: High | CWE: CWE-117 | Languages: java, node, python

Why This Matters

This weakness class (Improper Output Neutralization for Logs) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-117 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 'log.info(' pattern
log.info(

// FLAGGED: contains 'logger.info(' pattern
logger.info(

// FLAGGED: contains 'console.log(' pattern
console.log(

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-117 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-117 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References