📄 Description (English)
Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized string in the License Name field. Attackers can craft a malicious input containing shellcode with structured exception handler (SEH) overwrite to bypass protections and execute code with application privileges.
🤖 AI Executive Summary
CVE-2018-25314 is a local buffer overflow vulnerability in Allok WMV to AVI MPEG DVD WMV Converter 4.6.1217 that allows attackers to execute arbitrary code through oversized input in the License Name field. The vulnerability exploits SEH overwrite techniques to bypass security protections. With a CVSS score of 8.4 and no available patch, this poses a significant risk to organizations using legacy media conversion software, particularly in content creation and media distribution sectors.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 4, 2026 09:36
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi media production companies, broadcasting organizations (including Saudi Media Authority), and content creation studios that utilize legacy Allok converter software. Government agencies managing digital archives and telecommunications companies (STC, Mobily) with media processing capabilities face elevated risk. The local attack vector limits exposure but poses significant risk in shared workstation environments common in Saudi media and entertainment sectors. Organizations in the Kingdom using this software for video transcoding and format conversion are most vulnerable.
🏢 Affected Saudi Sectors
Media and Broadcasting
Content Creation and Production
Government Digital Archives
Telecommunications
Entertainment
Education and Training
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify and inventory all systems running Allok WMV to AVI MPEG DVD WMV Converter 4.6.1217 across the organization
2. Restrict access to affected systems to authorized users only; disable network sharing if possible
3. Implement application whitelisting to prevent unauthorized execution
Compensating Controls (No Patch Available):
1. Migrate to alternative, actively maintained media conversion software (FFmpeg, HandBrake, Adobe Media Encoder)
2. Isolate affected systems from network access or place in air-gapped environments
3. Implement strict input validation and file upload restrictions
4. Run the application in a sandboxed environment or virtual machine with limited privileges
5. Disable SEH-based protections bypass by enabling Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR)
6. Monitor for suspicious process execution and memory access patterns
Detection Rules:
1. Monitor for processes spawning from Allok converter with unusual parent-child relationships
2. Alert on any attempt to write to system directories from the application
3. Track file access patterns to License configuration files
4. Monitor for SEH chain manipulation attempts in memory
5. Log all command-line invocations of the converter application with full arguments
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد وحصر جميع الأنظمة التي تقوم بتشغيل Allok WMV to AVI MPEG DVD WMV Converter الإصدار 4.6.1217 عبر المنظمة
2. تقييد الوصول إلى الأنظمة المتأثرة للمستخدمين المصرح لهم فقط؛ تعطيل المشاركة الشبكية إن أمكن
3. تطبيق قائمة بيضاء للتطبيقات لمنع التنفيذ غير المصرح به
ضوابط تعويضية (لا يوجد تصحيح متاح):
1. الهجرة إلى برامج تحويل وسائط بديلة يتم صيانتها بنشاط (FFmpeg, HandBrake, Adobe Media Encoder)
2. عزل الأنظمة المتأثرة عن الوصول الشبكي أو وضعها في بيئات معزولة
3. تطبيق التحقق الصارم من صحة الإدخال وتقييد تحميل الملفات
4. تشغيل التطبيق في بيئة محصورة أو جهاز افتراضي بامتيازات محدودة
5. تعطيل تجاوز الحماية القائمة على SEH بتفعيل Data Execution Prevention و Address Space Layout Randomization
6. مراقبة أنماط تنفيذ العمليات والوصول إلى الذاكرة المريبة
قواعد الكشف:
1. مراقبة العمليات المنبثقة من محول Allok بعلاقات أب-طفل غير عادية
2. تنبيه عند محاولة الكتابة إلى دلائل النظام من التطبيق
3. تتبع أنماط الوصول إلى ملفات تكوين الترخيص
4. مراقبة محاولات التلاعب بسلسلة SEH في الذاكرة
5. تسجيل جميع استدعاءات سطر الأوامر لتطبيق المحول مع جميع الحجج
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.8.1.1 - User access management and authentication
A.12.2.1 - Change management procedures
A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - Software development and acquisition security
DE.CM-8 - Vulnerability scans and assessments
RS.MI-2 - Incident response and mitigation
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
A.12.2.1 - Change management
A.5.1.1 - Information security policies
🔗 References & Sources 4