📄 Description (English)
LifeSize ClearSea 3.1.4 contains directory traversal vulnerabilities that allow authenticated attackers to download and upload arbitrary files by manipulating path parameters in the smartgui interface. Attackers can exploit the upload endpoint with directory traversal sequences to write files to arbitrary locations on the system, enabling remote code execution.
🤖 AI Executive Summary
CVE-2018-25312 is a directory traversal vulnerability in LifeSize ClearSea 3.1.4 that allows authenticated attackers to upload arbitrary files to any location on the system, potentially leading to remote code execution. The vulnerability affects the smartgui interface and exploits path parameter manipulation. With no available patch and no public exploit, organizations using this legacy video conferencing platform face moderate but exploitable risk.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 10, 2026 22:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using LifeSize ClearSea for video conferencing—particularly in government agencies (NCA, MOCI), banking sector (SAMA-regulated institutions), healthcare facilities, and large enterprises—face risk of unauthorized file uploads leading to system compromise. The vulnerability is particularly concerning for organizations with legacy video conferencing infrastructure that may not have migrated to modern platforms. Government and financial institutions conducting sensitive communications via this platform are at elevated risk.
🏢 Affected Saudi Sectors
Government & Public Administration
Banking & Financial Services
Healthcare
Energy & Utilities
Telecommunications
Large Enterprises
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify and inventory all LifeSize ClearSea 3.1.4 deployments across your organization
2. Restrict network access to the smartgui interface using firewall rules—limit to authorized administrative networks only
3. Implement strong authentication controls and monitor for suspicious login attempts
4. Review upload/download logs for unauthorized file transfer activity
Patching Guidance:
1. Upgrade to LifeSize ClearSea version 4.x or later if available and compatible
2. If upgrade is not feasible, contact LifeSize support for security patches or end-of-life guidance
3. Consider migration to modern video conferencing platforms (Microsoft Teams, Cisco Webex, Zoom) with current security patches
Compensating Controls:
1. Implement Web Application Firewall (WAF) rules to block directory traversal sequences (../, ..\ patterns) in HTTP requests
2. Deploy file integrity monitoring on the ClearSea server to detect unauthorized file creation/modification
3. Restrict file system permissions to prevent arbitrary file writes to critical directories
4. Implement application-level input validation and sanitization
5. Enable comprehensive audit logging for all smartgui interface activities
Detection Rules:
1. Monitor for HTTP requests containing path traversal patterns: ../, ..\ , %2e%2e, encoded variants
2. Alert on file uploads to unexpected system directories (/etc, /bin, /usr/bin, Windows\System32)
3. Track failed and successful authentication attempts to smartgui interface
4. Monitor for process execution from upload directories
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد وحصر جميع نشرات LifeSize ClearSea 3.1.4 في المنظمة
2. تقييد الوصول إلى واجهة smartgui باستخدام قواعد جدار الحماية - حصر الوصول على الشبكات الإدارية المصرح بها فقط
3. تطبيق عناصر تحكم مصادقة قوية ومراقبة محاولات تسجيل الدخول المريبة
4. مراجعة سجلات التحميل والتنزيل للكشف عن نشاط نقل الملفات غير المصرح به
إرشادات التصحيح:
1. الترقية إلى LifeSize ClearSea الإصدار 4.x أو أحدث إن أمكن
2. إذا لم تكن الترقية ممكنة، اتصل بدعم LifeSize للحصول على تصحيحات أمان
3. النظر في الهجرة إلى منصات مؤتمرات فيديو حديثة مع تصحيحات أمان حالية
عناصر التحكم البديلة:
1. تطبيق قواعد جدار تطبيقات الويب لحجب تسلسلات اجتياز المجلدات
2. نشر مراقبة سلامة الملفات على خادم ClearSea
3. تقييد أذونات نظام الملفات لمنع الكتابة العشوائية
4. تطبيق التحقق من صحة المدخلات على مستوى التطبيق
5. تفعيل تسجيل التدقيق الشامل لجميع أنشطة واجهة smartgui
قواعد الكشف:
1. مراقبة طلبات HTTP التي تحتوي على أنماط اجتياز المسار
2. تنبيهات على تحميل الملفات إلى مجلدات النظام غير المتوقعة
3. تتبع محاولات المصادقة الفاشلة والناجحة
4. مراقبة تنفيذ العمليات من مجلدات التحميل
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.6.1.1 - Access control policy
A.6.2.1 - User registration and access rights management
A.8.2.1 - Classification of information
A.8.2.3 - Handling of assets
A.10.1.1 - Cryptography policy
A.12.4.1 - Event logging
A.12.4.3 - Administrator and operator logs
A.14.2.1 - Secure development policy
🔵 SAMA CSF
Governance & Risk Management - Risk Assessment & Management
Information & Cybersecurity - Access Control & Authentication
Information & Cybersecurity - Data Protection & Encryption
Operational Resilience - Monitoring & Incident Management
Operational Resilience - Vulnerability Management
🟡 ISO 27001:2022
5.3 - Access control
6.5 - Control of changes
8.1 - Information security risk assessment
8.2 - Information security risk treatment
8.3 - Information security risk acceptance
8.32 - Change management
8.33 - Test information and communication technology (ICT) changes
8.34 - Protection of information systems from malware
8.35 - Logging
8.36 - Monitoring activities