AWS Lambda Vulnerabilities Scanner
Tests serverless functions for security issues.
What is AWS Lambda Vulnerabilities?
AWS Lambda Vulnerability testing identifies security issues in serverless functions: overprivileged execution roles, injection vulnerabilities, exposed environment variables, insecure dependencies, and misconfigured triggers. Lambda's event-driven nature creates unique attack surfaces.
Why is This Important?
Lambda functions often have excessive permissions for convenience. They process untrusted input from various triggers (API Gateway, S3, SNS). Environment variables may contain secrets. The execution role can be leveraged for privilege escalation. Serverless doesn't mean security-free.
How It Works
1. Cloud Asset Discovery
Inventories cloud resources across AWS, Azure, and GCP including storage, compute, IAM, and networking.
2. Configuration Audit
Analyzes cloud configurations against CIS benchmarks and security best practices for misconfigurations.
3. Risk Prioritization
Prioritizes findings by exploitability and business impact with cloud-native remediation steps.
Key Capabilities
Multi-cloud security posture management for AWS, Azure, and GCP with continuous compliance monitoring.
- Cross-cloud asset inventory and visibility
- CIS benchmark and compliance validation
- IAM policy and permission analysis
- Storage and data exposure detection
- Infrastructure-as-code security scanning
Frequently Asked Questions
What Lambda security issues should I test?
Test for: overprivileged execution roles, environment variables containing secrets, injection through event data, vulnerable dependencies, function URL authentication, missing input validation, and excessive timeout/memory allowing DoS.
How can Lambda functions be exploited?
Exploitation vectors: injection through event data (API Gateway body, S3 object names), leveraging execution role for AWS API access, reading environment variables with secrets, importing malicious dependencies, and event injection through permissive triggers.
What are Lambda-specific security considerations?
Lambda considerations: stateless execution (secrets in environment), shared execution environment (cold starts), execution role shared across invocations, deployment package dependencies, and event sources as attack vectors.
How do I secure Lambda functions?
Security: use least-privilege execution roles, store secrets in Secrets Manager (not env vars), validate all event input, keep dependencies updated, enable VPC if accessing internal resources, implement function-level logging, and use provisioned concurrency controls.
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