Guillaume BOURGEOIS
111 lines
3.0 KiB
Python
111 lines
3.0 KiB
Python
import json, os, sys, ssl, datetime, urllib.parse, urllib.request, urllib.error
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BASE = "https://services.nvd.nist.gov/rest/json/cves/2.0"
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def _cfg():
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return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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def _inputs():
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return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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def _ctx(cfg):
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if cfg.get("insecure"):
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c = ssl.create_default_context()
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c.check_hostname = False
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c.verify_mode = ssl.CERT_NONE
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return c
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return None
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def _headers(cfg):
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h = {"User-Agent": "Riposte-SOAR", "Accept": "application/json"}
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k = cfg.get("api_key")
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if k:
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h["apiKey"] = str(k)
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return h
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def _get(url, cfg):
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req = urllib.request.Request(url, headers=_headers(cfg))
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with urllib.request.urlopen(req, timeout=120, context=_ctx(cfg)) as r:
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return r.read()
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def _run(fn):
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try:
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print(json.dumps(fn(_cfg(), _inputs())))
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except urllib.error.HTTPError as e:
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print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
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sys.exit(1)
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except Exception as e:
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print(json.dumps({"error": str(e)}))
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sys.exit(1)
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def _cvss(metrics):
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for key in ("cvssMetricV31", "cvssMetricV30", "cvssMetricV2"):
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arr = metrics.get(key)
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if arr and isinstance(arr, list) and isinstance(arr[0], dict):
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d = arr[0].get("cvssData", {})
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return d.get("baseScore"), d.get("baseSeverity") or arr[0].get("baseSeverity")
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return None, None
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def main(cfg, inputs):
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days = int(inputs.get("days") or cfg.get("days") or 7)
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days = max(1, min(days, 120))
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end = datetime.datetime.now(datetime.timezone.utc)
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start = end - datetime.timedelta(days=days)
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fmt = "%Y-%m-%dT%H:%M:%S.000"
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per = int(inputs.get("max_indicators") or 0) or 2000
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per = max(1, min(per, 2000))
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params = {
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"pubStartDate": start.strftime(fmt),
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"pubEndDate": end.strftime(fmt),
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"resultsPerPage": per,
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}
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url = BASE + "?" + urllib.parse.urlencode(params)
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raw = _get(url, cfg)
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data = json.loads(raw) if raw else {}
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maxn = int(inputs.get("max_indicators") or 0)
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out = []
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for v in data.get("vulnerabilities", []):
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cve = v.get("cve", {}) if isinstance(v, dict) else {}
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cid = cve.get("id")
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if not cid:
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continue
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desc = ""
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for d in cve.get("descriptions", []):
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if d.get("lang") == "en":
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desc = d.get("value")
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break
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score, severity = _cvss(cve.get("metrics", {}))
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out.append({
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"value": cid,
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"type": "cve",
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"description": desc,
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"cvss": score,
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"severity": severity,
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"published": cve.get("published"),
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"status": cve.get("vulnStatus"),
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})
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if maxn and len(out) >= maxn:
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break
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return {
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"source": "nvd:recent",
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"count": len(out),
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"indicators": out,
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"total_results": data.get("totalResults"),
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}
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_run(main)
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