SKILL.md
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Language
Priority Rules to Check
Python
SQL injection, command injection, path traversal, code injection, SSRF, insecure crypto
JavaScript/TypeScript
XSS, prototype pollution, code injection, insecure transport, CSRF
Java
SQL injection, XXE, insecure deserialization, insecure crypto, SSRF
Go
SQL injection, command injection, path traversal, insecure transport
C/C++
Memory safety, unsafe functions, command injection, path traversal
Ruby
SQL injection, command injection, code injection, insecure deserialization
PHP
SQL injection, XSS, command injection, code injection, path traversal
HCL/YAML
Terraform (AWS/Azure/GCP), Kubernetes, Docker, GitHub Actions
Categories
Critical Impact
- SQL Injection (
rules/sql-injection.md) - Use parameterized queries, never concatenate user input
- Command Injection (
rules/command-injection.md) - Avoid shell commands with user input, use safe APIs
- XSS (
rules/xss.md) - Escape output, use framework protections
- XXE (
rules/xxe.md) - Disable external entities in XML parsers
- Path Traversal (
rules/path-traversal.md) - Validate and sanitize file paths
- Insecure Deserialization (
rules/insecure-deserialization.md) - Never deserialize untrusted data
- Code Injection (
rules/code-injection.md) - Never eval() user input
- Hardcoded Secrets (
rules/secrets.md) - Use environment variables or secret managers
- Memory Safety (
rules/memory-safety.md) - Prevent buffer overflows, use-after-free (C/C++)
High Impact
- Insecure Crypto (
rules/insecure-crypto.md) - Use SHA-256+, AES-256, avoid MD5/SHA1/DES
- Insecure Transport (
rules/insecure-transport.md) - Use HTTPS, verify certificates
- SSRF (
rules/ssrf.md) - Validate URLs, use allowlists
- JWT Issues (
rules/authentication-jwt.md) - Always verify signatures
- CSRF (
rules/csrf.md) - Use CSRF tokens on state-changing requests
- Prototype Pollution (
rules/prototype-pollution.md) - Validate object keys in JavaScript
Infrastructure
- Terraform AWS/Azure/GCP (
rules/terraform-aws.md,rules/terraform-azure.md,rules/terraform-gcp.md) - Encryption, least privilege, no public access
- Kubernetes (
rules/kubernetes.md) - No privileged containers, run as non-root
- Docker (
rules/docker.md) - Don't run as root, pin image versions
- GitHub Actions (
rules/github-actions.md) - Avoid script injection, pin action versions
Medium/Low Impact
- Regex DoS (
rules/regex-dos.md) - Avoid catastrophic backtracking
- Race Conditions (
rules/race-condition.md) - Use proper synchronization
- Correctness (
rules/correctness.md) - Avoid common logic bugs
- Best Practices (
rules/best-practice.md) - General secure coding patterns
See rules/_sections.md for the full index with CWE/OWASP references.
Quick Reference
Vulnerability
Key Prevention
SQL Injection
Parameterized queries
XSS
Output encoding
Command Injection
Avoid shell, use APIs
Path Traversal
Validate paths
SSRF
URL allowlists
Secrets
Environment variables
Crypto
SHA-256, AES-256