Dependency Auditor Skill
Automated security auditing of project dependencies to identify known vulnerabilities.
Instructions
You are a dependency security expert. When invoked:
-
Scan Dependencies:
- Analyze package.json, requirements.txt, go.mod, Gemfile, etc.
- Check for known vulnerabilities (CVEs)
- Identify outdated packages
- Detect transitive dependency issues
- Check license compatibility
-
Vulnerability Assessment:
- Severity classification (Critical, High, Medium, Low)
- Exploitability analysis
- Attack vector identification
- Impact assessment
- Available patches or workarounds
-
Supply Chain Security:
- Detect suspicious packages
- Check package integrity
- Verify package maintainers
- Identify typosquatting attempts
- Check for deprecated packages
-
Remediation Guidance:
- Suggest safe version upgrades
- Provide patch availability
- Recommend alternative packages
- Breaking change analysis
- Migration path guidance
-
Generate Report: Create detailed security audit with prioritized action items
Vulnerability Severity Levels
Critical
- Remote code execution (RCE)
- SQL injection in core dependencies
- Authentication bypass
- Arbitrary file access
- Privilege escalation
- Action: Fix immediately, consider hotfix
High
- Cross-site scripting (XSS)
- Denial of service (DoS)
- Information disclosure
- Path traversal
- Insecure deserialization
- Action: Fix within 7 days
Medium
- Security misconfiguration
- Weak cryptography
- Session fixation
- Unvalidated redirects
- Action: Fix within 30 days
Low
- Information leakage
- Insecure defaults
- Minor security flaws
- Action: Fix in regular maintenance cycle
Usage Examples
@dependency-auditor
@dependency-auditor --severity critical
@dependency-auditor --fix-suggestions
@dependency-auditor --include-transitive
@dependency-auditor package.json
@dependency-auditor --check-licenses
@dependency-auditor --supply-chain
Audit Commands by Ecosystem
Node.js / npm
# Check for vulnerabilities
npm audit
# Get detailed report
npm audit --json
# Check for specific severity
npm audit --audit-level=high
# Automatic fix (use with caution)
npm audit fix
# Fix only non-breaking changes
npm audit fix --only=prod
# Check with yarn
yarn audit
# Check with pnpm
pnpm audit
# Use external tools
npx snyk test
npx audit-ci --moderate
Python
# Using pip-audit
pip-audit
# Using safety
safety check
safety check --json
# Check requirements file
pip-audit -r requirements.txt
# Using bandit for code issues
bandit -r . --severity-level high
Go
# Check vulnerabilities
go list -json -m all | nancy sleuth
# Using govulncheck
govulncheck ./...
# Check specific module
go list -json -m golang.org/x/text | nancy sleuth
Ruby
# Bundle audit
bundle audit check
bundle audit update
# Check with specific severity
bundle audit check --severity high
Java / Maven
# OWASP Dependency Check
mvn dependency-check:check
# Using snyk
snyk test
.NET
# List vulnerable packages
dotnet list package --vulnerable
# Include transitive dependencies
dotnet list package --vulnerable --include-transitive
Audit Report Format
# Dependency Security Audit Report
**Project**: my-app
**Date**: 2024-01-15
**Total Dependencies**: 342 (direct: 45, transitive: 297)
**Vulnerabilities Found**: 23
**Risk Level**: HIGH
---
## Executive Summary
🔴 **Critical**: 2 vulnerabilities
🟠 **High**: 8 vulnerabilities
🟡 **Medium**: 10 vulnerabilities
🟢 **Low**: 3 vulnerabilities
**Immediate Action Required**: 2 critical vulnerabilities need patching now
**Recommendation**: Update 10 packages, replace 2 deprecated packages
---
## Critical Vulnerabilities (2)
### 🔴 CVE-2024-1234: Remote Code Execution in lodash
**Package**: lodash@4.17.15
**Severity**: Critical (CVSS 9.8)
**CWE**: CWE-94 (Code Injection)
**Description**:
Template function in lodash allows arbitrary code execution through prototype pollution.
**Attack Vector**: Network
**Complexity**: Low
**Privileges Required**: None
**User Interaction**: None
**Affected Versions**: < 4.17.21
**Fixed Version**: 4.17.21
**Exploitability**: High (exploit code publicly available)
**Impact**:
- Remote code execution on server
- Complete system compromise possible
- Data breach risk
**Remediation**:
```bash
npm install lodash@4.17.21
# or
npm update lodash
Verification:
// Test that vulnerability is fixed
const lodash = require('lodash');
console.log(lodash.VERSION); // Should be >= 4.17.21
Breaking Changes: None Priority: Fix immediately (within 24 hours)
🔴 CVE-2024-5678: SQL Injection in sequelize
Package: sequelize@6.3.5 Severity: Critical (CVSS 9.1) CWE: CWE-89 (SQL Injection)
Description: Raw query function improperly escapes user input, allowing SQL injection attacks.
Attack Vector: Network Complexity: Low Privileges Required: Low User Interaction: None
Affected Versions: 6.0.0 - 6.6.4 Fixed Version: 6.6.5 Exploitability: High
Impact:
- Database compromise
- Unauthorized data access
- Data modification/deletion
Remediation:
npm install sequelize@6.6.5
Breaking Changes: Minor API changes in query builder Migration Guide: https://sequelize.org/docs/v6/other-topics/upgrade-to-v6/
Alternative: Consider using parameterized queries exclusively
Priority: Fix immediately (within 24 hours)
High Vulnerabilities (8)
🟠 CVE-2024-9012: Prototype Pollution in minimist
Package: minimist@1.2.5 (transitive via: mocha -> yargs -> minimist) Severity: High (CVSS 7.3) CWE: CWE-1321 (Prototype Pollution)
Description: Argument parsing allows prototype pollution leading to property injection.
Affected Versions: < 1.2.6 Fixed Version: 1.2.6
Remediation:
# Update parent package
npm update mocha
# Or use resolutions (package.json)
{
"resolutions": {
"minimist": "^1.2.6"
}
}
Impact: Medium (requires specific usage patterns) Priority: Fix within 7 days
🟠 CVE-2024-3456: XSS in marked
Package: marked@4.0.10 Severity: High (CVSS 7.1) CWE: CWE-79 (Cross-Site Scripting)
Description: Markdown parser doesn't properly sanitize HTML, allowing XSS attacks.
Affected Versions: < 4.0.16 Fixed Version: 4.0.16
Remediation:
npm install marked@4.0.16
Additional Protection:
// Use with DOMPurify for extra safety
import DOMPurify from 'dompurify';
import { marked } from 'marked';
const clean = DOMPurify.sanitize(marked(userInput));
Priority: Fix within 7 days
🟠 CVE-2024-7890: Path Traversal in express-fileupload
Package: express-fileupload@1.3.1 Severity: High (CVSS 7.5)
Description: File upload functionality doesn't properly validate file paths, allowing directory traversal.
Affected Versions: < 1.4.0 Fixed Version: 1.4.0
Remediation:
npm install express-fileupload@1.4.0
Additional Hardening:
app.use(fileUpload({
limits: { fileSize: 50 * 1024 * 1024 },
abortOnLimit: true,
safeFileNames: true,
preserveExtension: true,
uploadTimeout: 60000
}));
Priority: Fix within 7 days
Medium Vulnerabilities (10)
🟡 CVE-2024-1111: Regular Expression DoS in validator
Package: validator@13.7.0 Severity: Medium (CVSS 5.3) CWE: CWE-1333 (ReDoS)
Description: Email validation regex vulnerable to catastrophic backtracking.
Affected Versions: < 13.9.0 Fixed Version: 13.9.0
Impact: Service degradation, CPU exhaustion Priority: Fix within 30 days
Transitive Dependencies (15 issues)
Dependency Tree Analysis
my-app
├── express@4.18.0
│ ├── body-parser@1.20.0
│ │ └──