📄 Description (English)
Backup Key Recovery 2.2.7 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a large buffer of 256 repeated characters into the registration key field to trigger application instability and potential crash.
🤖 AI Executive Summary
CVE-2021-47813 is a buffer overflow vulnerability in Backup Key Recovery 2.2.7 that allows attackers to crash the application by inputting oversized registration codes. With a CVSS score of 7.5, this vulnerability poses a denial of service risk to organizations relying on this backup recovery tool. While no public exploit is available, the simplicity of the attack vector makes it a moderate concern for business continuity.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 1, 2026 13:56
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using Backup Key Recovery for data protection and disaster recovery operations. Most at-risk sectors include: Banking and Financial Services (SAMA-regulated institutions relying on backup systems), Government agencies (NCA oversight), Healthcare providers (SEHA and private hospitals), Energy sector (ARAMCO and related entities), and Telecommunications (STC, Mobily). The DoS impact could disrupt critical backup and recovery operations, affecting business continuity and potentially violating SAMA and NCA compliance requirements for data protection.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Energy and Utilities
Telecommunications
Data Centers and Cloud Services
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all instances of Backup Key Recovery 2.2.7 in your environment
2. Restrict access to the registration code input field to authorized personnel only
3. Implement input validation to reject registration codes exceeding 128 characters
4. Monitor application logs for repeated failed registration attempts
Patching Guidance:
1. Upgrade to Backup Key Recovery version 2.2.8 or later immediately
2. Test the patched version in a non-production environment first
3. Schedule patching during maintenance windows to minimize business impact
Compensating Controls (if immediate patching not possible):
1. Implement network-level access controls to limit who can access the application
2. Deploy application-level input filtering to sanitize registration code inputs
3. Use Web Application Firewall (WAF) rules to block oversized POST/input requests
4. Implement rate limiting on registration attempts
Detection Rules:
1. Monitor for registration code inputs exceeding 256 characters
2. Alert on application crashes or unexpected terminations
3. Log all registration code submission attempts with source IP and timestamp
4. Set up alerts for multiple failed registration attempts from same source
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نسخ Backup Key Recovery 2.2.7 في بيئتك
2. تقييد الوصول إلى حقل رمز التسجيل للموظفين المصرح لهم فقط
3. تطبيق التحقق من صحة الإدخال لرفض رموز التسجيل التي تتجاوز 128 حرفاً
4. مراقبة سجلات التطبيق لمحاولات التسجيل الفاشلة المتكررة
إرشادات التصحيح:
1. الترقية إلى Backup Key Recovery الإصدار 2.2.8 أو أحدث فوراً
2. اختبار الإصدار المصحح في بيئة غير الإنتاج أولاً
3. جدولة التصحيح خلال نوافذ الصيانة لتقليل تأثير الأعمال
الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تطبيق ضوابط الوصول على مستوى الشبكة لتحديد من يمكنه الوصول إلى التطبيق
2. نشر تصفية الإدخال على مستوى التطبيق لتنظيف مدخلات رمز التسجيل
3. استخدام قواعد جدار حماية تطبيقات الويب (WAF) لحظر الطلبات الكبيرة الحجم
4. تطبيق تحديد معدل محاولات التسجيل
قواعد الكشف:
1. مراقبة مدخلات رمز التسجيل التي تتجاوز 256 حرفاً
2. التنبيه على أعطال التطبيق أو الإنهاء غير المتوقع
3. تسجيل جميع محاولات تقديم رمز التسجيل مع عنوان IP المصدر والطابع الزمني
4. إعداد تنبيهات لمحاولات التسجيل الفاشلة المتعددة من نفس المصدر
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 - Information Security Policies and Procedures
5.2.1 - Access Control Implementation
5.3.1 - Cryptography and Key Management
5.4.1 - System and Communications Protection
🔵 SAMA CSF
ID.BE-1 - Business Environment
PR.AC-1 - Access Control
PR.PT-1 - Security Planning
DE.CM-1 - Detection and Analysis
🟡 ISO 27001:2022
A.5.1.1 - Information Security Policies
A.6.1.1 - Information Security Roles and Responsibilities
A.8.1.1 - User Endpoint Devices
A.12.2.1 - Change Management
A.14.2.1 - System Development and Maintenance
🟣 PCI DSS v4.0.1
6.2 - Security Patches and Updates
6.5.1 - Injection Flaws
11.2 - Vulnerability Scanning