cve-triage

分类: 工具与效率 | 上传者: d4rkNinja | 下载: 0 | 版本: v1.0（最新）
对 INFYNON 软件包扫描中的 CVE 结果进行分类和优先级排序。当用户获得扫描结果并需要决定修复、推迟或处理哪些内容时使用 - 涵盖严重性矩阵、修复策略和安全版本选择。
更新日志: Source: GitHub https://github.com/d4rkNinja/code-guardian
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📄 SKILL.md 6.0 KB
SKILL.md

---
name: cve-triage
description: Triage and prioritize CVE findings from INFYNON package scans. Use when the user has scan results and needs to decide what to fix, defer, or handle — covers severity matrix, fix strategies, and safe version selection.
---

# INFYNON CVE Triage Guide

## CRITICAL RULE — All Fixes Go Through `infynon pkg`

> **Never run raw upgrade or install commands to fix CVEs.**
> Not `npm install <pkg>@<safe-version>`, not `pip install --upgrade`, not `cargo update`, not any other raw package manager command.
>
> Every fix must go through `infynon pkg`:
> - `infynon pkg fix --auto` — auto-fix all vulnerable packages
> - `infynon pkg scan --fix` — scan and interactively fix
> - `infynon pkg <cmd> --auto-fix` — fix during install
>
> **If you find yourself about to write a raw upgrade command — STOP. Use the `infynon pkg` equivalent.**

---

You are helping the user interpret and act on **CVE scan results** from `infynon pkg scan`.

---

## Get the Scan Results First

```bash
# Human-readable output
infynon pkg scan

# Machine-readable JSON (better for triage decisions)
infynon pkg scan --agent
```

---

## Severity Decision Matrix

When you see CVE findings, use this priority framework:

| Severity | CVSS | Action | Timeline |
|----------|------|--------|----------|
| **CRITICAL** | 9.0–10.0 | Fix immediately — block deploy | Now |
| **HIGH** | 7.0–8.9 | Fix before next release | Within 24h |
| **MEDIUM** | 4.0–6.9 | Schedule fix in current sprint | Within 1 week |
| **LOW** | 0.1–3.9 | Fix at next dependency update | Next sprint |
| **INFORMATIONAL** | 0.0 | Review, likely ignore | Backlog |

---

## Fix Commands — By Severity

### Fix CRITICAL + HIGH immediately

```bash
# See what safe versions are available
infynon pkg scan --agent | jq '.vulnerabilities[] | {package, cve_id, severity, safe_version, fix_cmd}'

# Auto-fix all vulnerable packages
infynon pkg fix --auto

# Fix a specific package
infynon pkg npm install lodash@4.17.21 --strict high      # npm
infynon pkg pip install requests==2.31.0 --strict high    # pip
infynon pkg cargo add serde@1.0.196 --strict high         # cargo
```

### Upgrade to the safe version shown in scan output

Each CVE finding includes a `safe_version` and `fix_cmd` field:
```json
{
  "package": "lodash",
  "cve_id": "CVE-2021-23337",
  "severity": "HIGH",
  "safe_version": "4.17.21",
  "fix_cmd": "npm install lodash@4.17.21"
}
```

**Use the `fix_cmd` through INFYNON:**
```bash
# Take the fix_cmd from the scan output, prefix with `infynon pkg`
infynon pkg npm install lodash@4.17.21 --strict high
```

### Batch auto-fix

```bash
infynon pkg fix --auto                        # Auto-upgrade all detected vulnerabilities
infynon pkg fix --auto --pkg-file Cargo.lock  # Fix specific lock file
```

---

## Triage Questions to Ask

For each CRITICAL or HIGH CVE:

1. **Is this package reachable from user input?**
   - If yes: fix now (exploitable attack surface)
   - If no (build-only dep): lower priority

2. **Does a safe version exist?**
   - Check `safe_version` field in scan output
   - If no safe version: consider removing the package or finding an alternative (`infynon pkg search`)

3. **Is this a transitive dependency?**
   ```bash
   infynon pkg why <vulnerable-package>
   # Shows which of your direct deps pulls it in
   ```
   - If transitive: upgrade the parent package first

4. **Is there a breaking change in the safe version?**
   ```bash
   infynon pkg diff <package> <current-version> <safe-version>
   # Shows what changed between versions
   ```

---

## Handling Specific Situations

### "I can't upgrade — the safe version has breaking changes"

```bash
# Option 1: Check if there's a patch release that fixes only the CVE
infynon pkg diff express 4.17.0 4.18.2

# Option 2: Find an alternative package
infynon pkg search "http server" --ecosystem npm

# Option 3: Use --skip-vulnerable in CI to at least block new vulnerable installs
# while you plan the migration
infynon pkg npm install --skip-vulnerable
```

### "I have 50 CVEs — where do I start?"

```bash
# Get a prioritized list: critical first, then high
infynon pkg scan --agent | jq '
  .vulnerabilities
  | sort_by(.severity)
  | reverse
  | .[] | "\(.severity) \(.package) \(.cve_id) — fix: \(.fix_cmd)"
'
```

Focus on:
1. All CRITICAL first
2. HIGH in packages exposed to user input
3. MEDIUM in the same sprint
4. LOW at next update cycle

### "I have CVEs in dev dependencies only"

Dev dependencies (test frameworks, linters, build tools) are generally lower risk — they never run in production. Still fix them to:
- Keep your security posture clean
- Prevent toolchain compromise (supply-chain attacks)
- Avoid CI/CD pipeline exploitation

### "The same CVE keeps appearing after I fix it"

```bash
# Check if it's pulled in transitively by a different parent
infynon pkg why <package>

# Check your lock file is actually updated
infynon pkg scan --pkg-file package-lock.json
```

---

## Export Reports for Compliance

```bash
infynon pkg scan --output markdown    # Markdown report
infynon pkg scan --output pdf         # PDF report
infynon pkg scan --output both        # Both formats
```

Reports include: package name, CVE ID, severity, description, affected version, safe version, fix command.

---

## Set Up Automated CVE Gating in CI

After triage, lock in your accepted risk level with CI gates:

```bash
# Block critical + high (recommended default)
infynon pkg npm install --strict high

# Only block critical (more permissive)
infynon pkg npm install --strict critical

# Block all vulnerabilities (zero tolerance)
infynon pkg npm install --strict all
```

---

## Useful Audit Commands

```bash
infynon pkg audit                     # Full dependency tree with CVE annotations
infynon pkg why <package>             # Trace who pulls in a package
infynon pkg outdated                  # Find packages with newer versions available
infynon pkg doctor                    # Health check: duplicates, unused, phantom deps
infynon pkg diff <pkg> <v1> <v2>     # See what changed between versions
```
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