📄 Description (English)
A security vulnerability has been detected in DefaultFuction Jeson-Customer-Relationship-Management-System up to 1b4679c4d06b90d31dd521c2b000bfdec5a36e00. This affects an unknown function of the file /api/System.php of the component API Module. The manipulation of the argument url leads to server-side request forgery. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The identifier of the patch is f76e7123fe093b8675f88ec8f71725b0dd186310/98bd4eb07fa19d4f2c5228de6395580013c97476. It is suggested to install a patch to address this issue.
🤖 AI Executive Summary
A Server-Side Request Forgery (SSRF) vulnerability exists in DefaultFunction JSON-CRM System affecting the /api/System.php endpoint with a CVSS score of 7.3. The vulnerability allows remote attackers to manipulate the 'url' parameter to perform unauthorized server-side requests, potentially accessing internal resources or launching attacks against backend systems. Public disclosure increases exploitation risk, requiring immediate mitigation despite the absence of an official patch.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 6, 2026 12:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using JSON-CRM systems for customer relationship management face significant risk, particularly in banking sector (SAMA-regulated institutions), government agencies (NCA oversight), and telecommunications companies (STC, Mobily). SSRF vulnerabilities enable attackers to bypass network segmentation, access internal APIs, and potentially reach critical backend systems. Financial institutions are at highest risk due to integration with payment processing and customer data systems. Government entities managing citizen data face data exfiltration risks. Healthcare providers using CRM for patient management could experience HIPAA-equivalent compliance violations under Saudi healthcare regulations.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Telecommunications
Energy and Utilities
Retail and E-commerce
Insurance
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Disable or restrict access to /api/System.php endpoint until patch is available
2. Implement Web Application Firewall (WAF) rules to block requests with suspicious 'url' parameters
3. Review access logs for exploitation attempts (look for unusual URL patterns in System.php requests)
4. Isolate affected systems from production environment if possible
COMPENSATING CONTROLS:
1. Implement strict input validation on the 'url' parameter - whitelist only approved domains/IPs
2. Disable outbound HTTP/HTTPS requests from the application server to internal networks
3. Apply network segmentation - restrict application server access to internal resources
4. Implement egress filtering to prevent server-to-server communication
5. Deploy reverse proxy with URL validation before forwarding to backend
DETECTION RULES:
1. Monitor for POST/GET requests to /api/System.php with 'url' parameters containing: localhost, 127.0.0.1, 192.168.x.x, 10.x.x.x, internal hostnames
2. Alert on requests with file:// or gopher:// protocols in url parameter
3. Track outbound connections from application server to unexpected internal IPs
4. Log all System.php API calls with full request/response payloads
PATCHING STRATEGY:
1. Monitor DefaultFunction GitHub repository for security patches (commits f76e7123fe093b8675f88ec8f71725b0dd186310 and 98bd4eb07fa19d4f2c5228de6395580013c97476)
2. Establish testing environment to validate patches before production deployment
3. Prepare rollback procedures given continuous delivery model
4. Consider migrating to alternative CRM solutions if patches are not released within 30 days
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تعطيل أو تقييد الوصول إلى نقطة النهاية /api/System.php حتى توفر الرقعة
2. تطبيق قواعد جدار حماية تطبيقات الويب (WAF) لحظر الطلبات ذات معاملات 'url' المريبة
3. مراجعة سجلات الوصول لمحاولات الاستغلال (ابحث عن أنماط URL غير عادية في طلبات System.php)
4. عزل الأنظمة المتأثرة عن بيئة الإنتاج إن أمكن
الضوابط البديلة:
1. تطبيق التحقق الصارم من صحة المدخلات على معامل 'url' - قائمة بيضاء للنطاقات/عناوين IP المعتمدة فقط
2. تعطيل طلبات HTTP/HTTPS الصادرة من خادم التطبيق إلى الشبكات الداخلية
3. تطبيق تقسيم الشبكة - تقييد وصول خادم التطبيق إلى الموارد الداخلية
4. تطبيق تصفية الخروج لمنع اتصالات الخادم بالخادم
5. نشر وكيل عكسي مع التحقق من صحة URL قبل إعادة التوجيه إلى الخلفية
قواعد الكشف:
1. مراقبة طلبات POST/GET إلى /api/System.php مع معاملات 'url' تحتوي على: localhost, 127.0.0.1, 192.168.x.x, 10.x.x.x, أسماء المضيفين الداخلية
2. تنبيهات على الطلبات التي تحتوي على بروتوكولات file:// أو gopher:// في معامل url
3. تتبع الاتصالات الصادرة من خادم التطبيق إلى عناوين IP داخلية غير متوقعة
4. تسجيل جميع استدعاءات API الخاصة بـ System.php مع حمولات الطلب/الاستجابة الكاملة
استراتيجية التصحيح:
1. مراقبة مستودع DefaultFunction GitHub للحصول على رقع الأمان
2. إنشاء بيئة اختبار للتحقق من صحة الرقع قبل نشر الإنتاج
3. تحضير إجراءات التراجع نظرًا لنموذج التسليم المستمر
4. النظر في الهجرة إلى حلول CRM بديلة إذا لم يتم إصدار رقع خلال 30 يومًا
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships
ECC 2024 A.14.2.5 - Addressing information security in supplier agreements
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.12.2.1 - Establishment of information security baselines
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business Environment
SAMA CSF PR.DS-6 - Data is protected from unauthorized access
SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
SAMA CSF RS.MI-1 - Incidents are contained
🟡 ISO 27001:2022
ISO 27001:2022 A.5.23 - Information security for supplier relationships
ISO 27001:2022 A.8.1 - Organizational controls
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
ISO 27001:2022 A.14.2 - Supplier security
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Ensure all system components and software are protected from known vulnerabilities
PCI DSS 6.5.1 - Injection flaws (including SSRF)
PCI DSS 11.3 - Perform penetration testing
🔗 References & Sources 8
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https://github.com/DefaultFuction/Jeson-Customer-Relationship-Management-System/
cna@vuldb.com
https://github.com/DefaultFuction/Jeson-Customer-Relationship-Management-System/commit/...
cna@vuldb.com
https://github.com/DefaultFuction/Jeson-Customer-Relationship-Management-System/issues/2
cna@vuldb.com
https://github.com/DefaultFuction/Jeson-Customer-Relationship-Management-System/issues/...
cna@vuldb.com
https://github.com/DefaultFuction/Jeson-Customer-Relationship-Management-System/issues/...
cna@vuldb.com
https://vuldb.com/?ctiid.352482
cna@vuldb.com
https://vuldb.com/?id.352482
cna@vuldb.com
https://vuldb.com/?submit.775760
cna@vuldb.com