📄 Description (English)
GCafé 3.0 contains an unquoted service path vulnerability in the gbClientService that allows local attackers to potentially execute arbitrary code with elevated privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious executables that will be run with LocalSystem permissions.
🤖 AI Executive Summary
CVE-2019-25286 is a local privilege escalation vulnerability in GCafé 3.0 affecting the gbClientService through an unquoted service path. Attackers with local access can inject malicious executables to execute arbitrary code with LocalSystem privileges. While no public exploit exists, the vulnerability poses significant risk to organizations using GCafé for client management, particularly in environments with weak local access controls.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 27, 2026 03:07
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, financial institutions, and enterprise organizations using GCafé for endpoint management. High-risk sectors include: Banking (SAMA-regulated institutions managing client systems), Government (NCA, ministries using GCafé for workstation management), Healthcare (hospitals managing medical workstations), and Telecommunications (STC, Mobily managing client infrastructure). The LocalSystem privilege escalation could lead to complete system compromise, lateral movement, and data exfiltration across enterprise networks.
🏢 Affected Saudi Sectors
Government
Banking
Healthcare
Telecommunications
Energy
Enterprise IT
🎯 MITRE ATT&CK Techniques
T1547.001 - Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder
T1547.011 - Boot or Logon Autostart Execution: Services
T1134.003 - Access Token Manipulation: Make and Impersonate Token
T1548.004 - Abuse Elevation Control Mechanism: Elevated Execution with Prompt
T1036.003 - Masquerading: Rename System Utilities
T1574.008 - Hijacking Execution Flow: DLL Search Order Hijacking
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running GCafé 3.0 using asset inventory and network scanning
2. Restrict local administrative access and implement principle of least privilege
3. Monitor gbClientService for suspicious activity and unexpected child processes
PATCHING:
1. Upgrade GCafé to version 3.1 or later immediately
2. Verify service path configuration post-upgrade to ensure proper quoting
3. Test patches in non-production environment before enterprise deployment
COMPENSATING CONTROLS (if immediate patching not possible):
1. Implement application whitelisting to prevent unauthorized executable execution
2. Use Windows AppLocker to restrict execution in service directories
3. Enable Windows Defender Application Guard for sensitive workstations
4. Implement file integrity monitoring on GCafé installation directories
DETECTION:
1. Monitor Event Viewer for Service Control Manager (Event ID 7045) for new service creation
2. Alert on process creation from unexpected paths within GCafé directories
3. Track modifications to registry HKLM\SYSTEM\CurrentControlSet\Services\gbClientService
4. Use Sysmon Event ID 1 to detect child processes spawned by gbClientService with unusual parent-child relationships
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تعمل بـ GCafé 3.0 باستخدام جرد الأصول والمسح الشبكي
2. تقييد الوصول الإداري المحلي وتطبيق مبدأ الامتياز الأدنى
3. مراقبة خدمة gbClientService للنشاط المريب والعمليات الفرعية غير المتوقعة
التصحيح:
1. ترقية GCafé إلى الإصدار 3.1 أو أحدث فوراً
2. التحقق من تكوين مسار الخدمة بعد الترقية لضمان الاقتباس الصحيح
3. اختبار التصحيحات في بيئة غير الإنتاج قبل النشر على مستوى المؤسسة
الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تطبيق القائمة البيضاء للتطبيقات لمنع تنفيذ الملفات التنفيذية غير المصرح بها
2. استخدام Windows AppLocker لتقييد التنفيذ في أدلة الخدمات
3. تفعيل Windows Defender Application Guard لمحطات العمل الحساسة
4. تطبيق مراقبة سلامة الملفات على أدلة تثبيت GCafé
الكشف:
1. مراقبة Event Viewer لمدير التحكم في الخدمة (معرّف الحدث 7045) لإنشاء خدمة جديدة
2. التنبيه عند إنشاء عملية من مسارات غير متوقعة داخل أدلة GCafé
3. تتبع التعديلات على السجل HKLM\SYSTEM\CurrentControlSet\Services\gbClientService
4. استخدام Sysmon Event ID 1 للكشف عن العمليات الفرعية التي تم إنشاؤها بواسطة gbClientService بعلاقات أب-طفل غير عادية
📋 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 de-registration
A.8.2.1 - Classification of information
A.12.2.1 - Restrictions on software installation
A.12.4.1 - Event logging
A.12.4.3 - Administrator and operator logs
🔵 SAMA CSF
ID.AM-2 - Software inventory
PR.AC-1 - Access control policy
PR.AC-4 - Access rights management
PR.PT-3 - Least functionality principle
DE.CM-1 - System monitoring
DE.CM-3 - Unauthorized software detection
🟡 ISO 27001:2022
A.5.1.1 - Information security policies
A.6.1.1 - Access control policy
A.8.1.1 - Asset inventory
A.12.2.1 - Restrictions on software installation
A.12.4.1 - Event logging
A.12.6.1 - Management of technical vulnerabilities