OWASP Dependency-Check in Java: Complete Vulnerability Scanning Guide

Article

OWASP Dependency-Check is a powerful Software Composition Analysis (SCA) tool that identifies project dependencies and checks against known vulnerability databases. It helps detect vulnerable components in your Java applications before they reach production.

This guide covers everything from basic setup to advanced integration and automation strategies.

Dependency-Check Architecture Overview

Dependency Collection: Identifies dependencies from build files and manifests
Vulnerability Databases: CVE/NVD, NPM, Retire.js, OSS Index
Analysis Engines: Multiple analyzers for different ecosystems
Report Generation: HTML, JSON, XML, and other formats
Continuous Monitoring: CI/CD integration and automated scanning

1. Project Setup and Dependencies

Maven Dependency:

<properties> <owasp.dependency.check.version>8.4.2</owasp.dependency.check.version> </properties> <build> <plugins> <plugin> <groupId>org.owasp</groupId> <artifactId>dependency-check-maven</artifactId> <version>${owasp.dependency.check.version}</version> <configuration> <format>HTML</format> <failBuildOnAnyVulnerability>false</failBuildOnAnyVulnerability> <failOnCVSS>8</failOnCVSS> </configuration> </plugin> </plugins> </build>

Gradle Plugin:

plugins { id 'org.owasp.dependencycheck' version '8.4.2' } dependencyCheck { format = 'ALL' failBuildOnCVSS = 8 suppressionFile = 'dependency-check-suppressions.xml' analyzers { assemblyEnabled = false } }

2. Basic Usage and Commands

Maven Basic Commands:

# Basic scan mvn dependency-check:check # Scan with HTML report mvn dependency-check:aggregate -Dformat=HTML # Skip test dependencies mvn dependency-check:check -DskipTestScope=true # Update local database first mvn dependency-check:update-only mvn dependency-check:check

Gradle Basic Commands:

# Update database and run check ./gradlew dependencyCheckUpdate ./gradlew dependencyCheckAnalyze # Run with specific configuration ./gradlew dependencyCheckAnalyze -Danalyzer.assembly.enabled=false

Standalone CLI:

# Download from OWASP wget https://github.com/jeremylong/DependencyCheck/releases/download/v8.4.2/dependency-check-8.4.2-release.zip unzip dependency-check-8.4.2-release.zip # Basic scan ./dependency-check/bin/dependency-check.sh \ --project "My Application" \ --scan ./target/*.jar \ --out ./reports # Scan multiple paths ./dependency-check/bin/dependency-check.sh \ --project "My Microservices" \ --scan "service1/target/*.jar" \ --scan "service2/target/*.jar" \ --scan "lib/*.jar" \ --out ./security-reports

3. Comprehensive Configuration

Maven Full Configuration:

<plugin> <groupId>org.owasp</groupId> <artifactId>dependency-check-maven</artifactId> <version>${owasp.dependency.check.version}</version> <configuration> <!-- Report Configuration --> <format>HTML</format> <outputDirectory>${project.build.directory}/dependency-check</outputDirectory> <!-- Failure Configuration --> <failBuildOnAnyVulnerability>false</failBuildOnAnyVulnerability> <failOnCVSS>8</failOnCVSS> <!-- Scan Configuration --> <skipTestScope>true</skipTestScope> <skipRuntimeScope>false</skipRuntimeScope> <skipProvidedScope>false</skipProvidedScope> <skipSystemScope>true</skipSystemScope> <!-- Database Configuration --> <cveValidForHours>24</cveValidForHours> <autoUpdate>true</autoUpdate> <!-- Suppression File --> <suppressionFile>${project.basedir}/dependency-check-suppressions.xml</suppressionFile> <!-- Advanced Configuration --> <junitFailOnCVSS>0</junitFailOnCVSS> <assemblyAnalyzerEnabled>true</assemblyAnalyzerEnabled> <nodeAnalyzerEnabled>false</nodeAnalyzerEnabled> <nodeAuditAnalyzerEnabled>false</nodeAuditAnalyzerEnabled> <nodePackageSkip>[]</nodePackageSkip> <retireJsAnalyzerEnabled>false</retireJsAnalyzerEnabled> <retireJsFilter>.*/jquery.*</retireJsFilter> <!-- Data Mirroring --> <cveUrlModified>https://nvd.nist.gov/feeds/json/cve/1.1/nvdcve-1.1-modified.json.gz</cveUrlModified> <cveUrlBase>https://nvd.nist.gov/feeds/json/cve/1.1/nvdcve-1.1-%d.json.gz</cveUrlBase> <!-- Proxy Configuration --> <proxyServer>proxy.company.com</proxyServer> <proxyPort>8080</proxyPort> <proxyUsername>user</proxyUsername> <proxyPassword>pass</proxyPassword> <!-- Performance --> <connectionTimeout>10000</connectionTimeout> <readTimeout>60000</readTimeout> </configuration> <executions> <execution> <goals> <goal>check</goal> </goals> </execution> </executions> </plugin>

Gradle Full Configuration:

dependencyCheck { // Output Configuration format = 'ALL' outputDirectory = file("${buildDir}/reports/dependency-check") // Failure Configuration failBuildOnCVSS = 8.0 failOnError = true // Scan Configuration scanConfigurations = ['runtimeClasspath'] skipConfigurations = ['testRuntimeClasspath', 'compileOnly'] // Analyzer Configuration analyzers { // Disable unused analyzers assemblyEnabled = false nugetconfEnabled = false nuspecEnabled = false // Node.js configuration nodeEnabled = false nodeAuditEnabled = false nodePackageSkip = ["[]"] // Python configuration pyPackageEnabled = false pyDistributionEnabled = false // Ruby configuration bundleAuditEnabled = false bundleAuditSkip = ["[]"] // CocoaPods configuration cocoapodsEnabled = false // Swift configuration swiftEnabled = false // Archive configuration archiveEnabled = true } // Database Configuration cveValidForHours = 24 autoUpdate = true // Suppression Configuration suppressionFile = file('dependency-check-suppressions.xml') // Data Source Configuration data { directory = file('${project.build.directory}/dependency-check-data') } // Proxy Configuration proxy { server = "proxy.company.com" port = 8080 username = "user" password = "pass" } }

4. Suppression Files and False Positives

Suppression File (dependency-check-suppressions.xml):

<?xml version="1.0" encoding="UTF-8"?> <suppressions xmlns="https://jeremylong.github.io/DependencyCheck/dependency-suppression.1.3.xsd"> <!-- Suppress specific CVEs --> <suppress> <notes><![CDATA[ False positive - This vulnerability doesn't affect our usage File: log4j-core-2.17.1.jar ]]></notes> <cve>CVE-2021-44228</cve> </suppress> <suppress> <notes><![CDATA[ Suppress CVE for specific version that's not actually vulnerable ]]></notes> <cve>CVE-2022-12345</cve> <gav regex="true">^com\.example:library:1\.2\.3$</gav> </suppress> <!-- Suppress by package pattern --> <suppress> <notes><![CDATA[ Internal library with no external dependencies ]]></notes> <packageUrl regex="true">^pkg:maven/com\.mycompany/.*$</packageUrl> </suppress> <!-- Suppress by file path --> <suppress> <notes><![CDATA[ Test-only dependency that doesn't affect production ]]></notes> <filePath regex="true">.*/test-libs/.*\.jar</filePath> </suppress> <!-- Suppress by SHA1 hash --> <suppress> <notes><![CDATA[ Specific version we've validated as safe ]]></notes> <sha1>a1b2c3d4e5f6789012345678901234567890123</sha1> <gav>com.vulnerable:library:2.0.0</gav> </suppress> <!-- Suppress until specific date --> <suppress until="2024-12-31"> <notes><![CDATA[ Temporary suppression until upgrade can be completed ]]></notes> <cve>CVE-2023-12345</cve> <gav>org.legacy:old-library:1.0.0</gav> </suppress> <!-- Suppress vulnerabilities below certain CVSS score --> <suppress base="true"> <notes><![CDATA[ Suppress all low and medium severity vulnerabilities for specific component ]]></notes> <packageUrl regex="true">^pkg:maven/org\.apache\.commons/commons-text@.*$</packageUrl> <cvssBelow>6.0</cvssBelow> </suppress> <!-- Suppress by vulnerability name pattern --> <suppress> <notes><![CDATA[ Generic vulnerability that doesn't apply to our context ]]></notes> <vulnerabilityName regex="true">.*Denial of Service.*</vulnerabilityName> <gav>com.example:network-utils:3.2.1</gav> </suppress> </suppressions>

5. CI/CD Integration

Jenkins Pipeline:

// Jenkinsfile pipeline { agent any tools { maven 'Maven-3.8' jdk 'Java-11' } stages { stage('Dependency Check') { steps { script { // Update vulnerability database sh 'mvn org.owasp:dependency-check-maven:8.4.2:update-only' // Run dependency check sh 'mvn org.owasp:dependency-check-maven:8.4.2:check' // Archive reports archiveArtifacts artifacts: 'target/dependency-check-report.html', fingerprint: true // Check for critical vulnerabilities def reportPath = 'target/dependency-check-report.json' def criticalCount = checkCriticalVulnerabilities(reportPath) if (criticalCount > 0) { unstable "Found ${criticalCount} critical vulnerabilities" } } } post { always { // Publish HTML report publishHTML([ allowMissing: false, alwaysLinkToLastBuild: true, keepAll: true, reportDir: 'target/dependency-check', reportFiles: 'dependency-check-report.html', reportName: 'Dependency Check Report' ]) } } } } } def checkCriticalVulnerabilities(reportPath) { def report = readJSON file: reportPath def criticalCount = 0 report.dependencies.each { dependency -> dependency.vulnerabilities.each { vuln -> if (vuln.cvssv3?.baseScore >= 9.0 || vuln.severity == 'CRITICAL') { criticalCount++ echo "CRITICAL: ${dependency.fileName} - ${vuln.name}" } } } return criticalCount }

GitHub Actions Workflow:

# .github/workflows/dependency-check.yml name: Dependency Check on: push: branches: [ main, develop ] pull_request: branches: [ main ] schedule: - cron: '0 0 * * 1' # Weekly on Monday jobs: dependency-scan: runs-on: ubuntu-latest steps: - name: Checkout code uses: actions/checkout@v4 - name: Set up Java uses: actions/setup-java@v3 with: java-version: '11' distribution: 'temurin' - name: Cache dependency-check data uses: actions/cache@v3 with: path: ~/.dependency-check key: ${{ runner.os }}-dependency-check-${{ hashFiles('**/pom.xml') }} restore-keys: | ${{ runner.os }}-dependency-check- - name: Run Dependency Check run: | mvn org.owasp:dependency-check-maven:8.4.2:check - name: Upload Dependency Check Report uses: actions/upload-artifact@v3 with: name: dependency-check-report path: target/dependency-check-report.html retention-days: 30 - name: Check for Critical Vulnerabilities run: | python scripts/check-vulnerabilities.py target/dependency-check-report.json - name: Dependency Check Summary if: always() run: | echo "## Dependency Check Results" >> $GITHUB_STEP_SUMMARY echo "📊 Scan completed on $(date)" >> $GITHUB_STEP_SUMMARY echo "📁 Report: dependency-check-report.html" >> $GITHUB_STEP_SUMMARY echo "" >> $GITHUB_STEP_SUMMARY echo "View the detailed report in the artifacts." >> $GITHUB_STEP_SUMMARY

GitLab CI Configuration:

# .gitlab-ci.yml stages: - security dependency_check: stage: security image: maven:3.8-openjdk-11 before_script: - apt-get update && apt-get install -y wget script: - mvn org.owasp:dependency-check-maven:8.4.2:check artifacts: paths: - target/dependency-check-report.html reports: dependency_scanning: gl-dependency-scanning-report.json expire_in: 1 week allow_failure: false rules: - if: $CI_PIPELINE_SOURCE == "merge_request_event" - if: $CI_COMMIT_BRANCH == "main"

6. Advanced Scanning Strategies

Multi-Module Project Scanning:

<!-- Parent POM configuration --> <build> <pluginManagement> <plugins> <plugin> <groupId>org.owasp</groupId> <artifactId>dependency-check-maven</artifactId> <version>8.4.2</version> <configuration> <aggregate>true</aggregate> <format>HTML</format> <failBuildOnCVSS>8</failBuildOnCVSS> <suppressionFile>${project.basedir}/dependency-check-suppressions.xml</suppressionFile> </configuration> </plugin> </plugins> </pluginManagement> </build> <!-- Child modules inherit configuration -->

Custom Scanning Script:

#!/bin/bash # advanced-dependency-check.sh set -e PROJECT_NAME="my-application" SCAN_DIRS=("service-a" "service-b" "shared-libs") REPORT_DIR="./security-reports" SUPPRESSION_FILE="./dependency-check-suppressions.xml" CVSS_THRESHOLD=8.0 echo "Starting advanced dependency check for ${PROJECT_NAME}" # Create report directory mkdir -p "${REPORT_DIR}" # Update database echo "Updating vulnerability database..." dependency-check.sh \ --data "${REPORT_DIR}/data" \ --updateonly # Scan each directory for dir in "${SCAN_DIRS[@]}"; do echo "Scanning ${dir}..." if [ -f "${dir}/pom.xml" ]; then # Maven project (cd "${dir}" && mvn org.owasp:dependency-check-maven:8.4.2:check) elif [ -f "${dir}/build.gradle" ]; then # Gradle project (cd "${dir}" && ./gradlew dependencyCheckAnalyze) else # Binary scanning dependency-check.sh \ --project "${PROJECT_NAME}-${dir}" \ --scan "${dir}/target/*.jar" \ --out "${REPORT_DIR}" \ --suppression "${SUPPRESSION_FILE}" \ --failOnCVSS "${CVSS_THRESHOLD}" \ --format "HTML" \ --format "JSON" fi done echo "Dependency check completed. Reports available in ${REPORT_DIR}"

7. Custom Report Generation

Report Analysis Script:

#!/usr/bin/env python3 # analyze-dependency-report.py import json import csv from datetime import datetime import sys def analyze_dependency_report(report_file): """Analyze dependency check JSON report""" with open(report_file, 'r') as f: report = json.load(f) analysis = { 'timestamp': datetime.now().isoformat(), 'project_name': report.get('projectName', 'Unknown'), 'scan_date': report.get('reportDate', ''), 'total_dependencies': len(report.get('dependencies', [])), 'vulnerable_dependencies': 0, 'total_vulnerabilities': 0, 'vulnerabilities_by_severity': {}, 'critical_vulnerabilities': [], 'high_vulnerabilities': [] } for dependency in report.get('dependencies', []): vulnerabilities = dependency.get('vulnerabilities', []) if vulnerabilities: analysis['vulnerable_dependencies'] += 1 analysis['total_vulnerabilities'] += len(vulnerabilities) for vuln in vulnerabilities: severity = vuln.get('severity', 'UNKNOWN') analysis['vulnerabilities_by_severity'][severity] = \ analysis['vulnerabilities_by_severity'].get(severity, 0) + 1 # Track critical and high vulnerabilities if severity == 'CRITICAL': analysis['critical_vulnerabilities'].append({ 'dependency': dependency.get('fileName'), 'cve': vuln.get('name'), 'description': vuln.get('description', '')[:200], 'cvss_score': vuln.get('cvssv3', {}).get('baseScore') }) elif severity == 'HIGH': analysis['high_vulnerabilities'].append({ 'dependency': dependency.get('fileName'), 'cve': vuln.get('name'), 'description': vuln.get('description', '')[:200], 'cvss_score': vuln.get('cvssv3', {}).get('baseScore') }) return analysis def generate_csv_report(analysis, output_file): """Generate CSV report from analysis""" with open(output_file, 'w', newline='') as csvfile: writer = csv.writer(csvfile) # Write summary writer.writerow(['Metric', 'Value']) writer.writerow(['Project Name', analysis['project_name']]) writer.writerow(['Scan Date', analysis['scan_date']]) writer.writerow(['Total Dependencies', analysis['total_dependencies']]) writer.writerow(['Vulnerable Dependencies', analysis['vulnerable_dependencies']]) writer.writerow(['Total Vulnerabilities', analysis['total_vulnerabilities']]) writer.writerow([]) writer.writerow(['Severity', 'Count']) for severity, count in analysis['vulnerabilities_by_severity'].items(): writer.writerow([severity, count]) # Write critical vulnerabilities if analysis['critical_vulnerabilities']: writer.writerow([]) writer.writerow(['Critical Vulnerabilities']) writer.writerow(['Dependency', 'CVE', 'CVSS Score', 'Description']) for vuln in analysis['critical_vulnerabilities']: writer.writerow([ vuln['dependency'], vuln['cve'], vuln.get('cvss_score', 'N/A'), vuln['description'] ]) # Write high vulnerabilities if analysis['high_vulnerabilities']: writer.writerow([]) writer.writerow(['High Vulnerabilities']) writer.writerow(['Dependency', 'CVE', 'CVSS Score', 'Description']) for vuln in analysis['high_vulnerabilities']: writer.writerow([ vuln['dependency'], vuln['cve'], vuln.get('cvss_score', 'N/A'), vuln['description'] ]) if __name__ == "__main__": if len(sys.argv) != 2: print("Usage: python analyze-dependency-report.py <dependency-check-report.json>") sys.exit(1) report_file = sys.argv[1] analysis = analyze_dependency_report(report_file) # Generate CSV report csv_file = report_file.replace('.json', '-analysis.csv') generate_csv_report(analysis, csv_file) print(f"Analysis complete. CSV report: {csv_file}") print(f"Total dependencies: {analysis['total_dependencies']}") print(f"Vulnerable dependencies: {analysis['vulnerable_dependencies']}") print(f"Total vulnerabilities: {analysis['total_vulnerabilities']}") print(f"Critical vulnerabilities: {len(analysis['critical_vulnerabilities'])}")

8. Integration with Security Tools

SonarQube Integration:

<!-- Maven configuration for SonarQube --> <plugin> <groupId>org.sonarsource.scanner.maven</groupId> <artifactId>sonar-maven-plugin</artifactId> <version>3.9.1.2184</version> </plugin> <plugin> <groupId>org.owasp</groupId> <artifactId>dependency-check-maven</artifactId> <version>8.4.2</version> <configuration> <format>XML</format> <outputDirectory>${project.build.directory}</outputDirectory> </configuration> <executions> <execution> <goals> <goal>check</goal> </goals> </execution> </executions> </plugin>

# Run dependency check and SonarQube analysis mvn dependency-check:check mvn sonar:sonar -Dsonar.dependencyCheck.htmlReportPath=target/dependency-check-report.html -Dsonar.dependencyCheck.jsonReportPath=target/dependency-check-report.json

JUnit Test Integration:

// DependencyCheckTest.java package com.example.security; import org.junit.jupiter.api.Test; import org.springframework.boot.test.context.SpringBootTest; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; import static org.junit.jupiter.api.Assertions.assertTrue; @SpringBootTest public class DependencyCheckTest { @Test public void testNoCriticalVulnerabilities() throws IOException { String reportPath = "target/dependency-check-report.json"; if (Files.exists(Paths.get(reportPath))) { String reportContent = new String(Files.readAllBytes(Paths.get(reportPath))); // Simple check - in real scenario, parse JSON properly assertTrue(!reportContent.contains("\"severity\": \"CRITICAL\""), "Critical vulnerabilities found in dependencies"); } } }

9. Monitoring and Alerting

Alerting Script:

#!/usr/bin/env python3 # dependency-alert.py import json import smtplib from email.mime.text import MimeText from email.mime.multipart import MimeMultipart import requests def check_critical_vulnerabilities(report_file, threshold=8.0): """Check for critical vulnerabilities above threshold""" with open(report_file, 'r') as f: report = json.load(f) critical_findings = [] for dependency in report.get('dependencies', []): for vuln in dependency.get('vulnerabilities', []): cvss_score = vuln.get('cvssv3', {}).get('baseScore', 0) if cvss_score >= threshold: critical_findings.append({ 'dependency': dependency.get('fileName'), 'cve': vuln.get('name'), 'severity': vuln.get('severity'), 'cvss_score': cvss_score, 'description': vuln.get('description', '')[:500] }) return critical_findings def send_alert(critical_findings, project_name): """Send email alert for critical vulnerabilities""" if not critical_findings: return # Create email content subject = f"🚨 Critical Dependency Vulnerabilities in {project_name}" html_content = f""" <h2>Critical Dependency Vulnerabilities Detected</h2> <p>Project: <strong>{project_name}</strong></p> <p>Critical vulnerabilities found: <strong>{len(critical_findings)}</strong></p> <table border="1" style="border-collapse: collapse; width: 100%;"> <tr> <th>Dependency</th> <th>CVE</th> <th>Severity</th> <th>CVSS Score</th> <th>Description</th> </tr> """ for finding in critical_findings: html_content += f""" <tr> <td>{finding['dependency']}</td> <td>{finding['cve']}</td> <td style="color: red; font-weight: bold;">{finding['severity']}</td> <td>{finding['cvss_score']}</td> <td>{finding['description']}</td> </tr> """ html_content += "</table>" # Send email (configure with your SMTP settings) send_email(subject, html_content) def send_email(subject, html_content): """Send email alert""" # Implementation depends on your email configuration print(f"Would send email: {subject}") print(f"Content: {html_content}") if __name__ == "__main__": report_file = "target/dependency-check-report.json" critical_findings = check_critical_vulnerabilities(report_file, threshold=9.0) if critical_findings: send_alert(critical_findings, "My Application") print(f"Alert sent: {len(critical_findings)} critical vulnerabilities found") else: print("No critical vulnerabilities found")

10. Best Practices and Optimization

Performance Optimization:

# Use centralized data directory to avoid repeated downloads mvn dependency-check:check -DdataDirectory=/shared/dependency-check-data # Skip unnecessary analyzers mvn dependency-check:check \ -DnodeAnalyzerEnabled=false \ -DretireJsAnalyzerEnabled=false \ -DassemblyAnalyzerEnabled=false # Use local mirror for NVD database mvn dependency-check:check \ -DcveUrlBaseModified=https://mirror.company.com/nvd/nvdcve-1.1-modified.json.gz \ -DcveUrlBase=https://mirror.company.com/nvd/nvdcve-1.1-%d.json.gz

Scheduled Scanning:

#!/bin/bash # scheduled-dependency-check.sh PROJECTS=("project-a" "project-b" "project-c") DATA_DIR="/shared/dependency-check-data" REPORT_DIR="/shared/security-reports" DAYS_TO_KEEP=30 # Update database (run once per day) dependency-check.sh --data "$DATA_DIR" --updateonly # Scan each project for project in "${PROJECTS[@]}"; do echo "Scanning $project..." if [ -d "/path/to/$project" ]; then cd "/path/to/$project" dependency-check.sh \ --project "$project" \ --scan "." \ --out "$REPORT_DIR/$project" \ --data "$DATA_DIR" \ --format "HTML" \ --format "JSON" \ --failOnCVSS 8 fi done # Clean up old reports find "$REPORT_DIR" -name "*.html" -mtime +$DAYS_TO_KEEP -delete find "$REPORT_DIR" -name "*.json" -mtime +$DAYS_TO_KEEP -delete

Conclusion

OWASP Dependency-Check provides comprehensive vulnerability scanning for Java dependencies:

Comprehensive Coverage: Scans against multiple vulnerability databases
Flexible Integration: Maven, Gradle, CLI, and CI/CD integration
Customizable: Configurable thresholds, suppression, and reporting
Automation Ready: Perfect for DevOps and continuous security
Actionable Results: Detailed reports with remediation guidance

Key Success Factors:

Regular scanning in CI/CD pipelines
Proper suppression of false positives
Integration with development workflows
Automated alerting for critical vulnerabilities
Continuous monitoring and trend analysis

By implementing OWASP Dependency-Check effectively, organizations can significantly reduce the risk of vulnerable dependencies in their Java applications and maintain a strong security posture throughout the software development lifecycle.

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