server-side
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How to install server-side?
transilienceai/communitytools/server-side
$npx -y skills add transilienceai/communitytools --skill server-sideServer-side vulnerability testing - SSRF, HTTP Request Smuggling, Path Traversal, File Upload, Insecure Deserialization, and Host Header injection.
SKILL.md
| 1 | # Server-Side |
| 2 | |
| 3 | Test for server-side vulnerabilities that allow unauthorized access, RCE, or data exfiltration. |
| 4 | |
| 5 | ## Techniques |
| 6 | |
| 7 | | Type | Key Vectors | |
| 8 | |------|-------------| |
| 9 | | **SSRF** | Internal service access, cloud metadata, protocol smuggling | |
| 10 | | **HTTP Smuggling** | CL.TE, TE.CL, TE.TE, CL.0, H2.CL, h2c, multi-layer proxy chains, connection pooling desync | |
| 11 | | **Path Traversal** | Directory traversal, null bytes, encoding bypass | |
| 12 | | **File Upload** | Extension bypass, content-type manipulation, polyglot files | |
| 13 | | **Deserialization** | Java, PHP, Python, .NET gadget chains | |
| 14 | | **Host Header** | Password reset poisoning, cache poisoning, routing-based SSRF | |
| 15 | | **CUPS / cups-browsed** | CVE-2024-47076/47175/47176/47177 — UDP browse → IPP injection → PPD injection → foomatic-rip RCE (see `skills/infrastructure/reference/scenarios/network-recon/cups-browsed-rce.md`) | |
| 16 | |
| 17 | ## Workflow |
| 18 | |
| 19 | 1. Identify server-side processing points |
| 20 | 2. Test for vulnerability class indicators |
| 21 | 3. Bypass protections (WAF, allowlists, encoding filters) |
| 22 | 4. Demonstrate impact (file read, RCE, internal access) |
| 23 | 5. Capture evidence with PoC |
| 24 | |
| 25 | ## Reference |
| 26 | |
| 27 | - `reference/scenarios/ssrf/*.md` - SSRF techniques and labs |
| 28 | - `reference/http-request-smuggling*.md` - Smuggling techniques |
| 29 | - `reference/scenarios/path-traversal/*.md` - Path traversal bypass methods |
| 30 | - `reference/file-upload*.md` - File upload exploitation |
| 31 | - `reference/insecure-deserialization*.md` - Deserialization attacks |
| 32 | - `reference/http-host-header*.md` - Host header injection |
| 33 | - `skills/infrastructure/reference/scenarios/network-recon/cups-browsed-rce.md` - CUPS RCE chain (CVE-2024-47076/175/176/177); ipptool false positives vs libcups runtime parser; ippserver Python lib version-1.1 hardcode bug |
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