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| from __future__ import annotations
import argparse
import json
import sys
from datetime import datetime, timezone
from modules.banners import banners
from modules import VERSION, CVE_IDS
from modules.colors import C, w
from modules.scanner import (
AUTO_PORTS, DEFAULT_TENANT, DEFAULT_NAMESPACE, DEFAULT_TIMEOUT,
RCE_POLL_INTERVAL, RCE_POLL_RETRIES,
print_single, print_bulk, run_bulk, scan_target,
parse_and_normalize, expand_targets, load_targets_from_file,
)
BANNER = f"""{C.C}{C.B}
╔══════════════════════════════════════════════════════════════╗
║ Kestra Auth-Bypass Scanner — {', '.join(CVE_IDS)} ║
║ CVSS 10.0 — Unauthenticated RCE via /configs bypass ║
╚══════════════════════════════════════════════════════════════╝{C.N}
"""
def _build_report(all_results, args, targets):
results = []
for r in all_results:
entry = {
"target": r.target,
"timestamp": r.timestamp,
"vulnerable": r.vulnerable,
"verdict": r.verdict,
"probes": {
k: {
"url": p.url,
"status_code": p.status_code,
"error": p.error,
"bypass_successful": p.bypass_successful,
}
for k, p in r.probes.items()
},
}
# Enrichment fields
if r.version is not None:
entry["version"] = r.version
if r.version_in_range is not None:
entry["version_in_affected_range"] = r.version_in_range
if r.rce_confirmed is not None:
entry["rce_confirmed"] = r.rce_confirmed
if r.rce_method:
entry["rce_method"] = r.rce_method
if r.rce_evidence:
entry["rce_evidence"] = r.rce_evidence
if r.ssrf_detected is not None:
entry["ssrf_detected"] = r.ssrf_detected
if r.ssrf_evidence:
entry["ssrf_evidence"] = r.ssrf_evidence
if r.delete_bypass is not None:
entry["delete_bypass"] = r.delete_bypass
results.append(entry)
return {
"scan_info": {
"scanner": f"kestra_cve v{VERSION}",
"cve": CVE_IDS,
"source": args.file or args.target,
"total_targets": len(targets),
"timestamp": datetime.now(timezone.utc).isoformat(),
"aggressive": args.aggressive,
"rce": args.rce,
"ssrf": args.ssrf,
"destructive": args.destructive,
},
"results": results,
"summary": {
"total": len(all_results),
"vulnerable": sum(1 for r in all_results if r.vulnerable),
"rce_confirmed": sum(1 for r in all_results if r.rce_confirmed is True),
"ssrf_detected": sum(1 for r in all_results if r.ssrf_detected is True),
"delete_bypass": sum(1 for r in all_results if r.delete_bypass is True),
"safe": sum(1 for r in all_results
if not r.vulnerable
and "INCONCLUSIVE" not in r.verdict
and not r.verdict.startswith("ERROR")),
"inconclusive": sum(
1 for r in all_results
if "INCONCLUSIVE" in r.verdict or r.verdict.startswith("ERROR")
),
},
}
def main() -> None:
parser = argparse.ArgumentParser(
description=f"Kestra {', '.join(CVE_IDS)} Scanner",
epilog=(
"Examples:\n"
" python main.py http://localhost:8080\n"
" python main.py -f targets.txt\n"
" python main.py -f targets.txt --aggressive\n"
" python main.py -f targets.txt -j -o report.json\n"
" python main.py -f targets.txt --tenant default\n"
" python main.py http://target:8080 --rce --ssrf\n"
" python main.py http://target:8080 --rce --destructive\n"
),
formatter_class=argparse.RawDescriptionHelpFormatter,
)
tg = parser.add_mutually_exclusive_group(required=True)
tg.add_argument("target", nargs="?", default=None,
help="Single target URL (e.g. http://localhost:8080)")
tg.add_argument("--file", "-f", help="File with targets (one per line)")
parser.add_argument("--timeout", "-t", type=int, default=DEFAULT_TIMEOUT,
help=f"Request timeout (default: {DEFAULT_TIMEOUT}s)")
parser.add_argument("--verify-ssl", action="store_true",
help="Verify TLS certificates")
parser.add_argument("--json", "-j", action="store_true",
help="Output JSON")
parser.add_argument("--output", "-o", help="Write JSON to file")
parser.add_argument("--tenant", type=str, default=DEFAULT_TENANT,
help=f'Tenant name (default: "{DEFAULT_TENANT}")')
parser.add_argument("--namespace", type=str, default=DEFAULT_NAMESPACE,
help=f'Namespace for bypass paths (default: "{DEFAULT_NAMESPACE}")')
parser.add_argument("--workers", "-w", type=int, default=10,
help="Thread count (default: 10)")
parser.add_argument("--aggressive", "-a", action="store_true",
help="Also send PUT requests to confirm write bypass (may create resources)")
parser.add_argument("--auto-ports", "-P", nargs="+", type=int, default=None,
help=f"Ports for auto-expand (default: {AUTO_PORTS})")
# New v2.0 flags
probe_group = parser.add_argument_group("advanced probes")
probe_group.add_argument("--rce", "-r", action="store_true",
help="Enable RCE verification chain (creates harmless shell/python flow, "
"triggers execution, retrieves logs to confirm code execution)")
probe_group.add_argument("--ssrf", "-s", action="store_true",
help="Enable SSRF detection (creates flow with Pebble http() to reach "
"cloud metadata endpoints, checks logs for evidence)")
probe_group.add_argument("--destructive", "-d", action="store_true",
help="Enable DELETE probes to confirm destructive operation bypass "
"(WILL delete resources on vulnerable instances)")
probe_group.add_argument("--poll-interval", type=int, default=RCE_POLL_INTERVAL,
help=f"Seconds between log polls for RCE/SSRF chains (default: {RCE_POLL_INTERVAL})")
probe_group.add_argument("--poll-retries", type=int, default=RCE_POLL_RETRIES,
help=f"Max log poll attempts for RCE/SSRF chains (default: {RCE_POLL_RETRIES})")
args = parser.parse_args()
print(BANNER)
ports = args.auto_ports if args.auto_ports else AUTO_PORTS
# Common scan kwargs
scan_kwargs = dict(
timeout=args.timeout,
verify_ssl=args.verify_ssl,
tenant=args.tenant,
namespace=args.namespace,
aggressive=args.aggressive,
rce=args.rce,
ssrf=args.ssrf,
destructive=args.destructive,
poll_interval=args.poll_interval,
poll_retries=args.poll_retries,
)
if args.file:
targets = load_targets_from_file(args.file)
if args.auto_ports:
raw = []
with open(args.file, encoding="utf-8") as f:
for line in f:
line = line.strip()
if line and not line.startswith("#"):
raw.append(line)
targets = expand_targets(raw, auto_ports=ports)
if not targets:
print(f"{w('[!]', C.R)} No valid targets found.")
sys.exit(1)
print(f"{w('[*]', C.C)} Total scan targets: {w(str(len(targets)), C.B)}")
print(f"{w('[*]', C.C)} Tenant: {args.tenant}")
print(f"{w('[*]', C.C)} Namespace: {args.namespace}")
print(f"{w('[*]', C.C)} Aggressive: {args.aggressive}")
print(f"{w('[*]', C.C)} RCE verify: {args.rce}")
print(f"{w('[*]', C.C)} SSRF detect: {args.ssrf}")
print(f"{w('[*]', C.C)} Destructive: {args.destructive}")
print(f"{w('[*]', C.C)} SSL verify: {args.verify_ssl}")
print(f"{w('[*]', C.C)} Workers: {w(str(args.workers), C.B)}\n")
all_results = run_bulk(
targets,
workers=args.workers,
**scan_kwargs,
)
if args.json or args.output:
report = _build_report(all_results, args, targets)
blob = json.dumps(report, indent=2, ensure_ascii=False)
if args.output:
with open(args.output, "w", encoding="utf-8") as f:
f.write(blob)
print(f"\n{w('[+]', C.G)} JSON report saved to: {args.output}")
else:
print(blob)
if not args.json or args.output:
print_bulk(all_results)
sys.exit(1 if any(r.vulnerable for r in all_results) else 0)
else:
raw = args.target
scheme, host, port = parse_and_normalize(raw)
if scheme is None:
print(f"{w('[!]', C.R)} Invalid target.")
sys.exit(1)
if port is not None:
targets = [f"{scheme}://{host}:{port}"]
else:
targets = [f"{scheme}://{host}:{p}" for p in ports]
print(f"{w('[*]', C.Y)} No port specified — trying: {ports}\n")
if len(targets) == 1:
print(f"{w('[*]', C.C)} Scanning: {w(targets[0], C.B)}")
else:
print(f"{w('[*]', C.C)} Scanning {w(str(len(targets)), C.B)} "
f"port(s) for {w(host, C.B)}\n")
all_results = [
scan_target(t, **scan_kwargs)
for t in targets
]
if len(targets) == 1:
if args.json:
sr = all_results[0]
entry = {
"target": sr.target,
"timestamp": sr.timestamp,
"vulnerable": sr.vulnerable,
"verdict": sr.verdict,
"version": sr.version,
"version_in_affected_range": sr.version_in_range,
"rce_confirmed": sr.rce_confirmed,
"rce_method": sr.rce_method,
"rce_evidence": sr.rce_evidence,
"ssrf_detected": sr.ssrf_detected,
"ssrf_evidence": sr.ssrf_evidence,
"delete_bypass": sr.delete_bypass,
"probes": {
k: {"url": p.url, "status_code": p.status_code,
"error": p.error, "bypass_successful": p.bypass_successful}
for k, p in sr.probes.items()
},
}
print(json.dumps(entry, indent=2))
else:
print_single(all_results[0])
else:
if not args.json or args.output:
print_bulk(all_results)
if args.output:
report = _build_report(all_results, args, targets)
with open(args.output, "w", encoding="utf-8") as f:
json.dump(report, f, indent=2, ensure_ascii=False)
print(f"\n{w('[+]', C.G)} JSON report saved to: {args.output}")
has_vuln = any(r.vulnerable for r in all_results)
if has_vuln:
sys.exit(1)
elif all("INCONCLUSIVE" in r.verdict or r.verdict.startswith("ERROR")
for r in all_results):
sys.exit(2)
else:
sys.exit(0)
if __name__ == "__main__":
banners()
main()
|
