📄 Description (English)
HTML5 Video Player 1.2.5 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized key code string. Attackers can craft a malicious payload exceeding 997 bytes and paste it into the KEY CODE field in the Help Register dialog to trigger code execution and spawn a calculator process.
🤖 AI Executive Summary
CVE-2019-25689 is a critical local buffer overflow vulnerability in HTML5 Video Player 1.2.5 that allows unauthenticated attackers to execute arbitrary code by supplying oversized input (>997 bytes) in the KEY CODE field. With a CVSS score of 8.4 and publicly available exploits, this poses an immediate threat to organizations using this legacy software. No patch is available from the vendor, requiring immediate mitigation through alternative controls.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 11:52
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi organizations using legacy HTML5 Video Player software in media production, broadcasting, and educational sectors. Government agencies (NCA, CITC) and educational institutions (universities, e-learning platforms) are at moderate risk if using this outdated software. Banking and financial sectors are at lower risk unless integrated into legacy customer-facing applications. The lack of available patches makes this a persistent threat requiring immediate decommissioning or isolation of affected systems.
🏢 Affected Saudi Sectors
Media and Broadcasting
Education and E-Learning
Government Agencies
Healthcare (if used in medical imaging)
Entertainment
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all systems running HTML5 Video Player 1.2.5 across your organization
2. Isolate affected systems from network access or restrict to trusted users only
3. Disable the Help Register dialog functionality if possible through configuration files
4. Implement application whitelisting to prevent arbitrary code execution
PATCHING GUIDANCE:
1. Upgrade to HTML5 Video Player version 1.2.6 or later if available
2. If upgrade unavailable, consider replacing with alternative video players (VLC, FFmpeg-based solutions)
3. Contact vendor (Socusoft) for extended support or security patches
COMPENSATING CONTROLS:
1. Restrict user permissions to prevent KEY CODE field access
2. Implement input validation at application level limiting KEY CODE field to maximum 997 bytes
3. Run application in sandboxed environment with restricted privileges
4. Monitor process execution logs for unexpected calculator.exe spawning
5. Implement network segmentation to isolate legacy systems
DETECTION RULES:
1. Monitor for processes spawning from HTML5 Video Player (calc.exe, cmd.exe, powershell.exe)
2. Alert on KEY CODE field input exceeding 997 bytes
3. Monitor file system changes in application directory
4. Track application crashes and memory access violations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع الأنظمة التي تقوم بتشغيل HTML5 Video Player 1.2.5 عبر مؤسستك
2. عزل الأنظمة المتأثرة عن الوصول إلى الشبكة أو تقييد الوصول للمستخدمين الموثوقين فقط
3. تعطيل وظيفة حوار Help Register إن أمكن من خلال ملفات التكوين
4. تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ أكواد عشوائية
إرشادات التصحيح:
1. قم بالترقية إلى HTML5 Video Player الإصدار 1.2.6 أو أحدث إن توفر
2. إذا لم يكن الترقية متاحة، فكر في استبدال مشغلات الفيديو البديلة (VLC، حلول قائمة على FFmpeg)
3. اتصل بالبائع (Socusoft) للحصول على دعم موسع أو تصحيحات أمان
الضوابط البديلة:
1. تقييد أذونات المستخدم لمنع الوصول إلى حقل KEY CODE
2. تطبيق التحقق من صحة الإدخال على مستوى التطبيق مع تحديد حقل KEY CODE بحد أقصى 997 بايت
3. تشغيل التطبيق في بيئة معزولة برمجيًا مع امتيازات مقيدة
4. مراقبة سجلات تنفيذ العمليات للبحث عن حالات غير متوقعة لـ calculator.exe
5. تطبيق تقسيم الشبكة لعزل الأنظمة القديمة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures
ECC 2024 A.8.1.1 - User Access Management
ECC 2024 A.12.2.1 - Change Management
ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business Environment
SAMA CSF PR.IP-12 - Software, Firmware, and Information Integrity
SAMA CSF DE.CM-8 - Vulnerability Scans
SAMA CSF RS.MI-2 - Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security
ISO 27001:2022 A.8.1 - User Access Management
ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities and Exposures
ISO 27001:2022 A.14.2 - Development Security
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patches and Updates
PCI DSS 11.2 - Vulnerability Scanning
🔗 References & Sources 3
🔗
http://www.html5videoplayer.net/download.html
disclosure@vulncheck.com
Product
🔗
https://www.exploit-db.com/exploits/46279
disclosure@vulncheck.com
Exploit
VDB Entry
🔗
https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh
disclosure@vulncheck.com
Third Party Advisory
📦 Affected Products / CPE 1 entries
socusoft:html5_video_player:1.2.5