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BaaRai
750f4eb091
Implements #109. Skills ship the chain-1 workflow (session file injection through upload_progress filename + app LFI -> RCE, CVE-2026-109618/109619) with hard gates: authorized targets only, program zero-day policy checked before any live attempt (patches landed 2026-10-21 for 8.2-8.5), passive detection before exploitation, lab-first practice via the vendored docker lab, chains 2/3 (UAF, serializer mismatch) marked lab-only, one-shot verification with a marker. Upstream PoCs vendored under scripts/poc/php2shell with attribution and the MIT notice (upstream declares MIT in its README).
117 lines
2.8 KiB
Bash
Executable File
117 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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set -e
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echo "Setting up PHP 8.2.34 vulnerable lab environment..."
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cd "$(dirname "$0")"
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# Create webroot
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mkdir -p webroot/app webroot/api webroot/reader
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cat > webroot/index.php << 'EOF'
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<?php
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session_start();
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echo "PHP " . PHP_VERSION . "\n";
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echo "SAPI " . php_sapi_name() . "\n";
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echo "upload_progress " . ini_get('session.upload_progress.enabled') . "\n";
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echo "OK\n";
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EOF
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cat > webroot/nosession.php << 'EOF'
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<?php
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echo "PHP " . PHP_VERSION . "\nno session_start\n";
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EOF
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# Directory with php_serialize handler
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echo "session.serialize_handler = php_serialize" > webroot/app/.user.ini
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cp webroot/nosession.php webroot/app/upload.php
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# Directory with php handler
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echo "session.serialize_handler = php" > webroot/api/.user.ini
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cp webroot/nosession.php webroot/api/endpoint.php
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# LFI simulation (for Chain 1 verification)
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cat > webroot/vuln.php << 'EOF'
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<?php
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$page = $_GET['page'] ?? 'home';
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include($page);
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EOF
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# PHP configuration
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cat > php.ini << 'EOF'
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[Session]
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session.save_handler = files
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session.save_path = /tmp/sessions
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session.use_strict_mode = 0
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session.use_cookies = 1
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session.use_only_cookies = 0
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session.upload_progress.enabled = On
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session.upload_progress.cleanup = Off
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session.upload_progress.prefix = upload_progress_
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session.upload_progress.name = PHP_SESSION_UPLOAD_PROGRESS
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session.upload_progress.freq = 1%
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session.upload_progress.min_freq = 0
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[PHP]
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display_errors = On
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error_reporting = E_ALL
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file_uploads = On
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post_max_size = 128M
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upload_max_filesize = 128M
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EOF
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# Nginx config
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cat > nginx.conf << 'EOF'
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server {
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listen 80;
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root /var/www/html;
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index index.php;
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client_max_body_size 128m;
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location / { try_files $uri $uri/ /index.php?$query_string; }
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location ~ \.php$ {
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fastcgi_pass php:9000;
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fastcgi_index index.php;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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include fastcgi_params;
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fastcgi_request_buffering off;
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}
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}
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EOF
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# Docker Compose
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cat > docker-compose.yml << 'EOF'
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services:
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php:
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image: php:8.2-fpm
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container_name: php2shell-lab
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ports: ["9000:9000"]
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volumes:
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- ./webroot:/var/www/html
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- ./php.ini:/usr/local/etc/php/php.ini
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security_opt: [seccomp:unconfined]
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privileged: true
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command: >
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bash -c "mkdir -p /tmp/sessions && chmod 1777 /tmp/sessions && php-fpm"
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nginx:
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image: nginx:alpine
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container_name: php2shell-nginx
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ports: ["18080:80"]
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volumes:
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- ./webroot:/var/www/html
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- ./nginx.conf:/etc/nginx/conf.d/default.conf
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depends_on: [php]
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EOF
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echo "Starting containers..."
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docker compose up -d --build
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echo ""
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echo "Lab ready!"
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echo " HTTP: http://127.0.0.1:18080"
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echo " FCGI: 127.0.0.1:9000"
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echo ""
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echo "Run POCs:"
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echo " python3 ../poc/verify_session_injection.py"
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echo " python3 ../poc/verify_handler_mismatch.py"
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