📄 Description (English)
GeoGebra Graphing Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the application by inputting an oversized buffer. Attackers can generate a payload of 8000 repeated characters to overwhelm the input field and cause the application to become unresponsive.
🤖 AI Executive Summary
GeoGebra Graphing Calculator 6.0.631.0 contains a denial of service vulnerability (CVE-2021-47877) allowing attackers to crash the application through oversized buffer input. An 8000-character payload can render the application unresponsive, affecting educational institutions and research organizations across Saudi Arabia. While no public exploit exists, the vulnerability is easily reproducible and poses moderate risk to availability of educational tools.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 1, 2026 18:55
🇸🇦 Saudi Arabia Impact Assessment
Primary impact on Saudi educational sector (Ministry of Education, universities, technical institutes) and research organizations using GeoGebra for mathematics and science instruction. Secondary impact on government training centers and private educational institutions. Risk is limited to availability rather than confidentiality or integrity, but disruption during critical educational periods (exams, online learning) could affect student outcomes. Healthcare and engineering sectors using GeoGebra for specialized calculations may experience operational disruptions.
🏢 Affected Saudi Sectors
Education (Ministry of Education, Universities, Technical Institutes)
Government (Training Centers, Research Institutions)
Healthcare (Medical Education, Research Hospitals)
Energy (ARAMCO Research and Training)
Telecommunications (STC Training Programs)
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.2
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all instances of GeoGebra Graphing Calculator 6.0.631.0 across your organization
- Restrict access to the application if not critical to operations
- Implement input validation at network/application level to reject oversized payloads
2. PATCHING GUIDANCE:
- Upgrade to GeoGebra Graphing Calculator version 6.0.632.0 or later immediately
- Test patches in non-production environment before deployment
- Prioritize patching in educational institutions during non-academic periods
3. COMPENSATING CONTROLS (if patching delayed):
- Implement application-level input field character limits (max 1000 characters)
- Deploy Web Application Firewall (WAF) rules to block requests with oversized payloads
- Monitor application logs for repeated large input attempts
- Restrict application usage to trusted internal networks only
4. DETECTION RULES:
- Alert on input fields receiving >5000 consecutive characters
- Monitor for application crashes/unresponsiveness patterns
- Log all input validation failures
- Track application restart events correlated with large input submissions
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع حالات حاسبة GeoGebra الرسومية 6.0.631.0 في مؤسستك
- تقييد الوصول إلى التطبيق إذا لم يكن حرجاً للعمليات
- تنفيذ التحقق من صحة الإدخال على مستوى الشبكة/التطبيق لرفض الحمولات الزائدة
2. إرشادات التصحيح:
- الترقية إلى حاسبة GeoGebra الرسومية الإصدار 6.0.632.0 أو أحدث فوراً
- اختبار التصحيحات في بيئة غير الإنتاج قبل النشر
- أولويات التصحيح في المؤسسات التعليمية خلال فترات غير أكاديمية
3. الضوابط البديلة (إذا تأخر التصحيح):
- تنفيذ حدود أحرف حقل الإدخال على مستوى التطبيق (الحد الأقصى 1000 حرف)
- نشر قواعد جدار حماية تطبيقات الويب (WAF) لحجب الطلبات ذات الحمولات الزائدة
- مراقبة سجلات التطبيق لمحاولات الإدخال الكبيرة المتكررة
- تقييد استخدام التطبيق على الشبكات الداخلية الموثوقة فقط
4. قواعد الكشف:
- تنبيه عند استقبال حقول الإدخال لأكثر من 5000 حرف متتالي
- مراقبة أنماط تعطل/عدم استجابة التطبيق
- تسجيل جميع فشل التحقق من صحة الإدخال
- تتبع أحداث إعادة تشغيل التطبيق المرتبطة بتقديمات الإدخال الكبيرة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.1.1 - Operational change management
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business objectives and strategies
SAMA CSF PR.IP-12 - Software, firmware, and information integrity mechanisms
SAMA CSF DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
ISO 27001:2022 A.14.2.1 - Secure development and change management
ISO 27001:2022 A.8.1.3 - Segregation of duties