📄 Description (English)
aSc TimeTables 2020.11.4 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Subject title field with a large buffer. Attackers can generate a 1000-character buffer and paste it into the Subject title to trigger an application crash and potential instability.
🤖 AI Executive Summary
aSc TimeTables 2020.11.4 contains a buffer overflow vulnerability in the Subject title field that allows attackers to crash the application through a denial of service attack. By inputting a 1000-character buffer into the Subject title, attackers can trigger application crashes and system instability. While no public exploit is available, the vulnerability poses a risk to educational institutions and organizations relying on this scheduling software for critical operations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 06:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi educational institutions (universities, schools, and training centers) that utilize aSc TimeTables for curriculum scheduling and timetable management. Secondary impact extends to government education ministries (Ministry of Education), private educational organizations, and any institution managing complex scheduling operations. The denial of service impact could disrupt critical academic planning and scheduling operations during peak periods (semester planning, exam scheduling). Organizations in the education sector and administrative bodies managing educational resources face operational disruption risks.
🏢 Affected Saudi Sectors
Education
Government
Training Centers
Administrative Services
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.8
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all instances of aSc TimeTables 2020.11.4 in your organization
- Restrict access to the Subject title field to authorized personnel only
- Implement input validation to limit Subject title field to reasonable character limits (e.g., 255 characters)
- Monitor application logs for unusual Subject title entries or application crashes
2. PATCHING GUIDANCE:
- Upgrade aSc TimeTables to version 2020.11.5 or later immediately
- Test patches in a non-production environment before deployment
- Schedule patching during maintenance windows to minimize disruption
3. COMPENSATING CONTROLS:
- Implement application-level input validation restricting Subject title to maximum 256 characters
- Deploy Web Application Firewall (WAF) rules to detect and block oversized Subject title submissions
- Enable application crash monitoring and alerting
- Maintain regular backups of scheduling data
4. DETECTION RULES:
- Monitor for application crashes correlated with Subject title field modifications
- Alert on Subject title entries exceeding 500 characters
- Track failed application operations during scheduling operations
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع نسخ aSc TimeTables 2020.11.4 في مؤسستك
- تقييد الوصول إلى حقل عنوان المادة للموظفين المصرح لهم فقط
- تطبيق التحقق من صحة المدخلات لتحديد حقل عنوان المادة بحد معقول (مثل 255 حرف)
- مراقبة سجلات التطبيق لإدخالات عنوان المادة غير العادية أو أعطال التطبيق
2. إرشادات التصحيح:
- ترقية aSc TimeTables إلى الإصدار 2020.11.5 أو أحدث على الفور
- اختبار التصحيحات في بيئة غير الإنتاج قبل النشر
- جدولة التصحيح خلال نوافذ الصيانة لتقليل الانقطاع
3. الضوابط البديلة:
- تطبيق التحقق من صحة المدخلات على مستوى التطبيق لتقييد عنوان المادة إلى 256 حرف كحد أقصى
- نشر قواعد جدار الحماية لتطبيقات الويب (WAF) للكشف عن طلبات عنوان المادة الكبيرة الحجم وحجبها
- تفعيل مراقبة وتنبيهات أعطال التطبيق
- الحفاظ على نسخ احتياطية منتظمة من بيانات الجدولة
4. قواعد الكشف:
- مراقبة أعطال التطبيق المرتبطة بتعديلات حقل عنوان المادة
- تنبيه على إدخالات عنوان المادة التي تتجاوز 500 حرف
- تتبع العمليات الفاشلة في التطبيق أثناء عمليات الجدولة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies and Procedures
A.6.1.1 - Organization of Information Security
A.12.2.1 - Change Management
A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
ID.RA-1 - Asset Management and Vulnerability Management
PR.IP-12 - Software Development and Change Management
DE.CM-8 - Vulnerability Scanning
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
A.12.2.1 - Change management procedures