📄 Description (English)
Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.
🤖 AI Executive Summary
CVE-2020-37234 is a local buffer overflow vulnerability in Internet Download Manager (IDM) 6.38.12 affecting the Scheduler component. An attacker with local access can crash the application by inputting oversized data (>5000 bytes) into a specific field, causing denial of service. While currently unpatched and without public exploits, this vulnerability poses moderate risk to organizations relying on IDM for download management, particularly in environments with untrusted local users.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 22, 2026 22:52
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi organizations in the following sectors: (1) Government agencies and ministries using IDM for document and software distribution; (2) Banking and financial institutions using IDM for secure file transfers and updates; (3) Telecommunications companies (STC, Mobily, Zain) managing network infrastructure downloads; (4) Energy sector (ARAMCO, SEC) utilizing IDM for operational technology updates; (5) Healthcare institutions downloading medical software and updates. The impact is localized to systems where untrusted users have local access, making it most relevant to shared workstations and multi-user environments common in Saudi government and enterprise settings.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Telecommunications
Energy and Utilities
Healthcare
Education
Enterprise IT
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running Internet Download Manager 6.38.12 or earlier versions across your organization
2. Restrict local access to systems running IDM to trusted users only; implement access controls and user privilege management
3. Monitor for suspicious activity targeting IDM processes
Compensating Controls (No Patch Available):
1. Upgrade to the latest available version of Internet Download Manager (versions after 6.38.12 if available)
2. Implement application whitelisting to restrict IDM execution to authorized users
3. Use endpoint protection with behavioral analysis to detect buffer overflow attempts
4. Disable IDM Scheduler component if not required for operations
5. Run IDM with minimal privileges (non-administrator accounts)
6. Implement file integrity monitoring on IDM installation directories
Detection Rules:
1. Monitor for IDM process crashes or unexpected terminations
2. Alert on attempts to write data exceeding 5000 bytes to IDM configuration files
3. Track failed IDM Scheduler operations and error logs
4. Implement YARA rules to detect oversized input patterns in IDM-related processes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تقوم بتشغيل Internet Download Manager الإصدار 6.38.12 أو الإصدارات الأقدم عبر المنظمة
2. تقييد الوصول المحلي إلى الأنظمة التي تقوم بتشغيل IDM للمستخدمين الموثوقين فقط؛ تنفيذ عناصر التحكم في الوصول وإدارة امتيازات المستخدم
3. مراقبة النشاط المريب الموجه نحو عمليات IDM
عناصر التحكم التعويضية (لا يوجد تصحيح متاح):
1. الترقية إلى أحدث إصدار متاح من Internet Download Manager (الإصدارات بعد 6.38.12 إن أمكن)
2. تنفيذ قائمة بيضاء للتطبيقات لتقييد تنفيذ IDM للمستخدمين المصرح لهم
3. استخدام الحماية من نقاط النهاية مع التحليل السلوكي للكشف عن محاولات تجاوز المخزن المؤقت
4. تعطيل مكون IDM Scheduler إذا لم يكن مطلوباً للعمليات
5. تشغيل IDM بامتيازات دنيا (حسابات غير إدارية)
6. تنفيذ مراقبة سلامة الملفات على أدلة تثبيت IDM
قواعد الكشف:
1. مراقبة أعطال عمليات IDM أو الإنهاء غير المتوقع
2. التنبيه على محاولات كتابة البيانات التي تتجاوز 5000 بايت إلى ملفات تكوين IDM
3. تتبع عمليات IDM Scheduler الفاشلة وسجلات الأخطاء
4. تنفيذ قواعد YARA للكشف عن أنماط الإدخال الكبيرة الحجم في عمليات IDM
📋 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 - Asset management and inventory control
A.5.4.1 - Cryptography and secure communications
A.5.5.1 - Physical and environmental security
A.5.6.1 - Operations security and change management
A.5.7.1 - Communications security
A.5.8.1 - System acquisition, development and maintenance
🔵 SAMA CSF
Governance - Policy and Risk Management
Governance - Oversight and Accountability
Protective - Access Control
Protective - Data Protection
Protective - System and Communications Protection
Protective - System Development and Maintenance
Detective - Information and Communication Security Monitoring
Detective - Incident Detection and Analysis
🟡 ISO 27001:2022
A.5.1.1 - Policies for information security
A.5.2.1 - Information security roles and responsibilities
A.5.3.1 - Segregation of duties
A.6.1.1 - Screening
A.6.2.1 - Terms and conditions of employment
A.7.1.1 - Physical entry
A.8.1.1 - User endpoint devices
A.8.2.1 - Privileged access rights
A.8.3.1 - Information access restriction
A.8.6.1 - Access control for development, test and production environments
🔗 References & Sources 4
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http://www.internetdownloadmanager.com/
disclosure@vulncheck.com
http://www.internetdownloadmanager.com/download.html
disclosure@vulncheck.com
https://www.exploit-db.com/exploits/49083
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/internet-download-manager-scheduler-buffer-overflow
disclosure@vulncheck.com