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- Add scripts/agent.py and references/api-reference.md to all remaining skills - Update all 648 LICENSE files: copyright now reads 'Mahipal' - Add implementing-security-monitoring-with-datadog (new skill with full anatomy) - All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
45 lines
1.4 KiB
Markdown
45 lines
1.4 KiB
Markdown
# API Reference: Testing for Host Header Injection
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## Alternative Host Headers
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| Header | Description |
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|--------|-------------|
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| `X-Forwarded-Host` | Proxy-set original host |
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| `X-Host` | Alternative host header |
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| `X-Forwarded-Server` | Forwarded server name |
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| `X-HTTP-Host-Override` | Host override |
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| `Forwarded: host=` | RFC 7239 forwarded header |
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| `X-Original-URL` | URL rewrite override |
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## Attack Scenarios
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| Attack | Severity | Impact |
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|--------|----------|--------|
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| Password reset poisoning | Critical | Token theft via poisoned link |
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| Web cache poisoning | Critical | Stored XSS via cached response |
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| SSRF via Host | High | Internal service access |
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| Virtual host bypass | Medium | Access to other vhosts |
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| Open redirect | Medium | Phishing via redirect |
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## Test Techniques
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| Technique | Payload Example |
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|-----------|----------------|
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| Direct Host override | `Host: evil.com` |
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| Alternative header | `X-Forwarded-Host: evil.com` |
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| Port injection | `Host: target.com:@evil.com` |
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| Double Host | Two Host headers |
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| Absolute URL | `GET http://target.com/ Host: evil.com` |
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## Python Libraries
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| Library | Version | Purpose |
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|---------|---------|---------|
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| `requests` | >=2.28 | HTTP requests with custom headers |
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| `json` | stdlib | Report generation |
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## References
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- PortSwigger Host Header: https://portswigger.net/web-security/host-header
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- OWASP Host Header: https://owasp.org/www-project-web-security-testing-guide/
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