📄 Description (English)
River Past CamDo 3.7.6 contains a structured exception handler (SEH) buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the Lame_enc.dll name field. Attackers can craft a payload with a 280-byte buffer, NSEH jump instruction, and SEH handler address pointing to a pop-pop-ret gadget to trigger code execution and establish a bind shell on port 3110.
🤖 AI Executive Summary
CVE-2019-25650 is a critical SEH buffer overflow vulnerability in River Past CamDo 3.7.6 that allows local attackers to execute arbitrary code through a malicious Lame_enc.dll name field. The vulnerability enables attackers to establish bind shells and gain complete system control without requiring network access. With no patch available and no public exploit, organizations using this legacy software face significant risk from insider threats and compromised local accounts.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 11:51
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi organizations using legacy video processing software, particularly in government media departments, broadcasting entities, and content creation facilities. While not directly impacting critical infrastructure (banking, energy, telecom), it poses significant risk to government agencies using CamDo for video surveillance and media processing. The local-only attack vector limits exposure but creates insider threat risks in organizations with inadequate access controls. Media and entertainment sectors in Saudi Arabia may be affected if using this outdated software.
🏢 Affected Saudi Sectors
Government and Public Administration
Media and Broadcasting
Content Creation and Production
Video Surveillance and Security
Education and Research Institutions
🎯 MITRE ATT&CK Techniques
T1055 - Process Injection
T1547.001 - Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder
T1059.003 - Command and Scripting Interpreter: Windows Command Shell
T1190 - Exploit Public-Facing Application
T1574.001 - Hijack Execution Flow: DLL Search Order Hijacking
T1574.002 - Hijack Execution Flow: DLL Side-Loading
T1548.004 - Abuse Elevation Control Mechanism: Elevated Execution with Prompt
T1021.002 - Remote Services: SSH
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all systems running River Past CamDo 3.7.6 and document business criticality
2. Restrict local access to affected systems through privilege escalation controls and account management
3. Implement application whitelisting to prevent unauthorized DLL loading
4. Enable Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) at OS level
Patching Guidance:
5. Upgrade to River Past CamDo version 3.7.7 or later if available, or migrate to alternative video processing solutions
6. If upgrade not possible, apply Windows security updates to strengthen SEH protections
Compensating Controls:
7. Implement file integrity monitoring on Lame_enc.dll and related system files
8. Deploy host-based intrusion detection to monitor for bind shell connections on port 3110
9. Restrict network access to port 3110 at firewall level
10. Enable Windows Event Log monitoring for abnormal process creation and DLL injection attempts
Detection Rules:
11. Monitor for processes attempting to load malformed Lame_enc.dll files
12. Alert on any listening connections on port 3110
13. Track SEH exception handler modifications in memory
14. Log all local privilege escalation attempts on systems running CamDo
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأنظمة التي تعمل بـ River Past CamDo 3.7.6 وتوثيق أهميتها التجارية
2. تقييد الوصول المحلي للأنظمة المتأثرة من خلال ضوابط تصعيد الامتيازات وإدارة الحسابات
3. تطبيق قائمة بيضاء للتطبيقات لمنع تحميل DLL غير المصرح به
4. تفعيل Data Execution Prevention (DEP) و Address Space Layout Randomization (ASLR) على مستوى نظام التشغيل
إرشادات التصحيح:
5. الترقية إلى River Past CamDo الإصدار 3.7.7 أو أحدث إن أمكن، أو الهجرة إلى حلول معالجة فيديو بديلة
6. إذا لم تكن الترقية ممكنة، طبق تحديثات أمان Windows لتقوية حماية SEH
الضوابط البديلة:
7. تطبيق مراقبة سلامة الملفات على Lame_enc.dll والملفات ذات الصلة
8. نشر كشف الاختراق على مستوى المضيف لمراقبة اتصالات bind shell على المنفذ 3110
9. تقييد الوصول إلى المنفذ 3110 على مستوى جدار الحماية
10. تفعيل مراقبة سجل أحداث Windows للكشف عن إنشاء العمليات غير الطبيعية ومحاولات حقن DLL
قواعد الكشف:
11. مراقبة العمليات التي تحاول تحميل ملفات Lame_enc.dll المشوهة
12. تنبيه على أي اتصالات استماع على المنفذ 3110
13. تتبع تعديلات معالج الاستثناءات في الذاكرة
14. تسجيل جميع محاولات تصعيد الامتيازات المحلية على الأنظمة التي تعمل بـ CamDo
📋 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.5.2.3 - Management of privileged access rights
A.5.3.1 - Password management
A.6.2.1 - Restriction of access to information
A.6.2.2 - Access control implementation
A.8.1.1 - Cryptography and secure coding practices
A.8.2.3 - System hardening and patch management
🔵 SAMA CSF
Governance - Policy and Risk Management
Protect - Access Control and Authentication
Protect - Data Protection and Encryption
Detect - Monitoring and Logging
Respond - Incident Response Procedures
🟡 ISO 27001:2022
5.15 - Access control
5.16 - Identification and authentication
5.17 - Access rights
5.18 - Information security in supplier relationships
6.5 - Control of operational change
8.1 - Operational planning and control
8.3 - Protection from malware
8.32 - Change management
🔗 References & Sources 3