📄 Description (English)
Core FTP Lite 1.3 contains a buffer overflow vulnerability in the username input field that allows attackers to crash the application by supplying oversized input. Attackers can generate a 7000-byte payload of repeated 'A' characters to trigger an application crash without requiring additional interaction.
🤖 AI Executive Summary
CVE-2020-37155 is a buffer overflow vulnerability in Core FTP Lite 1.3 affecting the username input field, allowing unauthenticated attackers to crash the application via oversized input. While currently lacking public exploits, the vulnerability poses a denial-of-service risk to organizations relying on Core FTP Lite for file transfer operations. Immediate patching is recommended given the high CVSS score of 7.5 and the simplicity of exploitation.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 10:37
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in banking, government, and energy sectors that utilize Core FTP Lite for secure file transfers face operational disruption risks. ARAMCO, SAMA-regulated financial institutions, and government agencies (NCA, NCSC) managing critical infrastructure communications are particularly vulnerable. Telecom operators (STC, Mobily) and healthcare providers using legacy FTP solutions for data exchange could experience service interruptions affecting business continuity and regulatory compliance.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Energy and Utilities
Telecommunications
Healthcare
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all instances of Core FTP Lite 1.3 in your environment using network scanning and asset inventory tools
- Restrict network access to FTP services using firewall rules (limit to trusted IP ranges)
- Implement input validation at network perimeter to reject oversized username fields
- Monitor FTP logs for repeated connection attempts with abnormal payload sizes
2. PATCHING GUIDANCE:
- Upgrade Core FTP Lite to version 1.4 or later immediately
- Test patches in non-production environments before deployment
- Schedule patching during maintenance windows to minimize business impact
3. COMPENSATING CONTROLS (if immediate patching unavailable):
- Deploy Web Application Firewall (WAF) rules to detect and block payloads exceeding normal username length (>256 bytes)
- Implement rate limiting on FTP authentication attempts
- Use network segmentation to isolate FTP servers from untrusted networks
4. DETECTION RULES:
- Alert on FTP connections with username fields exceeding 1000 bytes
- Monitor for repeated failed FTP authentication attempts from single source
- Log and alert on application crashes correlated with FTP service restarts
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع نسخ Core FTP Lite 1.3 في بيئتك باستخدام أدوات المسح والجرد
- تقييد الوصول إلى خدمات FTP باستخدام قواعد جدار الحماية (تحديد النطاقات الموثوقة)
- تطبيق التحقق من صحة الإدخال على محيط الشبكة لرفض حقول اسم المستخدم الكبيرة
- مراقبة سجلات FTP للكشف عن محاولات الاتصال المتكررة برحولات غير عادية
2. إرشادات التصحيح:
- ترقية Core FTP Lite إلى الإصدار 1.4 أو أحدث فوراً
- اختبار التصحيحات في بيئات غير الإنتاج قبل النشر
- جدولة التصحيحات خلال نوافذ الصيانة لتقليل التأثير على العمل
3. الضوابط البديلة (إذا تعذر التصحيح الفوري):
- نشر قواعد جدار تطبيقات الويب للكشف عن الحمولات التي تتجاوز طول اسم المستخدم الطبيعي
- تطبيق تحديد معدل محاولات المصادقة على FTP
- استخدام تقسيم الشبكة لعزل خوادم FTP عن الشبكات غير الموثوقة
4. قواعد الكشف:
- تنبيهات على اتصالات FTP بحقول اسم مستخدم تتجاوز 1000 بايت
- مراقبة محاولات المصادقة الفاشلة المتكررة من مصدر واحد
- تسجيل والتنبيه عن أعطال التطبيق المرتبطة بإعادة تشغيل خدمة FTP
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
ECC 2024 A.12.2.1 - Monitoring of system use
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - System and information integrity
DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
A.12.2.1 - Monitoring of system use
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
🟣 PCI DSS v4.0.1
Requirement 6.2 - Security patches and updates
Requirement 11.2 - Vulnerability scanning