📄 Description (English)
Mapscrn 2.0.3 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized input buffer. Attackers can craft a malicious buffer with junk data, return address, NOP instructions, and shellcode to overflow the stack and achieve code execution or denial of service.
🤖 AI Executive Summary
CVE-2017-20226 is a stack-based buffer overflow vulnerability in Mapscrn 2.0.3 that allows local attackers to execute arbitrary code with CVSS 8.4 severity. The vulnerability requires local access and can be exploited through oversized input buffers to achieve code execution or denial of service. No patch is currently available, making immediate compensating controls critical for affected organizations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 06:58
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, research institutions, and technical organizations that may utilize Mapscrn for mapping or geographic information systems. Risk is elevated for: (1) Government entities under NCA oversight using legacy mapping applications; (2) ARAMCO and energy sector facilities with GIS infrastructure; (3) Telecommunications providers (STC, Mobily) managing network infrastructure visualization; (4) Academic and research institutions. The local-only attack vector limits exposure but poses significant risk in multi-user environments and shared computing infrastructure common in Saudi government networks.
🏢 Affected Saudi Sectors
Government
Energy (ARAMCO)
Telecommunications (STC, Mobily)
Research and Academia
Geographic Information Systems
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running Mapscrn 2.0.3 across your organization through asset inventory and vulnerability scanning
2. Restrict local access to affected systems through access control lists and principle of least privilege
3. Disable or isolate Mapscrn services if not critical to operations
4. Monitor for suspicious local process execution and buffer overflow attempts
Compensating Controls (no patch available):
5. Implement application whitelisting to prevent unauthorized code execution
6. Enable Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP) at OS level
7. Run Mapscrn in sandboxed or containerized environments with restricted privileges
8. Apply strict input validation and size limits at application wrapper level if possible
9. Monitor system calls and stack memory access patterns for anomalies
Detection Rules:
10. Alert on processes attempting to write to stack memory regions
11. Monitor for NOP sled patterns (0x90 sequences) in process memory
12. Track failed buffer operations and segmentation faults from Mapscrn
13. Log all local user access attempts to Mapscrn services
Long-term:
14. Evaluate replacement mapping solutions with active security support
15. Plan migration away from Mapscrn 2.0.3 to maintained alternatives
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تعمل بـ Mapscrn 2.0.3 عبر جرد الأصول والفحص الضعيف
2. تقييد الوصول المحلي للأنظمة المتأثرة من خلال قوائم التحكم في الوصول
3. تعطيل أو عزل خدمات Mapscrn إذا لم تكن حرجة للعمليات
4. مراقبة محاولات تنفيذ العمليات المريبة وتجاوز المخزن المؤقت
الضوابط التعويضية (لا يتوفر تصحيح):
5. تطبيق قائمة التطبيقات المسموحة لمنع تنفيذ الأكواد غير المصرح بها
6. تفعيل ASLR و DEP على مستوى نظام التشغيل
7. تشغيل Mapscrn في بيئات معزولة أو حاويات بامتيازات مقيدة
8. تطبيق التحقق الصارم من المدخلات وحدود الحجم
9. مراقبة استدعاءات النظام وأنماط الوصول إلى ذاكرة المكدس
قواعد الكشف:
10. تنبيهات على العمليات التي تحاول الكتابة إلى مناطق ذاكرة المكدس
11. مراقبة أنماط NOP sled في ذاكرة العملية
12. تتبع عمليات المخزن المؤقت الفاشلة والأخطاء من Mapscrn
13. تسجيل جميع محاولات الوصول المحلي لخدمات Mapscrn
المدى الطويل:
14. تقييم حلول الخرائط البديلة مع دعم أمان نشط
15. التخطيط للهجرة بعيداً عن Mapscrn 2.0.3
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.5.2.1 - User access management and authorization
A.5.3.1 - Cryptography and secure coding practices
A.5.4.1 - Physical and logical access controls
A.5.5.1 - Monitoring and logging of security events
🔵 SAMA CSF
ID.AM-2 - Asset management and inventory
PR.AC-1 - Access control and authentication
PR.DS-6 - Data protection and secure development
DE.CM-1 - Detection and monitoring of anomalies
RS.MI-1 - Incident response and mitigation
🟡 ISO 27001:2022
A.5.1.1 - Information security policies
A.5.2.1 - User access management
A.5.3.1 - Cryptography
A.5.4.1 - Physical and logical access controls
A.5.5.1 - Access control to information
A.5.7.1 - Cryptography key management
A.5.8.1 - Technical vulnerability management