📄 Description (English)
Trend Micro OfficeScan Directory Traversal Vulnerability — Trend Micro OfficeScan contains a directory traversal vulnerability by extracting files from a zip file to a specific folder on the OfficeScan server, leading to remote code execution.
🤖 AI Executive Summary
CVE-2019-18187 is a critical directory traversal vulnerability in Trend Micro OfficeScan that allows attackers to extract malicious files from a crafted ZIP archive to arbitrary locations on the OfficeScan server, ultimately enabling remote code execution. With a CVSS score of 9.0 and a confirmed public exploit, this vulnerability poses an immediate and severe threat to enterprise environments. Successful exploitation grants attackers full control over the endpoint security management server, potentially compromising the entire managed endpoint fleet. Organizations running Trend Micro OfficeScan without the latest patches are at significant risk of complete infrastructure compromise.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 14, 2026 23:55
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations across multiple critical sectors are at elevated risk given the widespread deployment of Trend Micro OfficeScan as an enterprise endpoint security solution. Government entities under NCA oversight and ARAMCO/energy sector organizations using OfficeScan as their primary endpoint protection platform face the highest risk, as compromise of the OfficeScan server would grant attackers lateral movement capabilities across all managed endpoints. Banking and financial institutions regulated by SAMA that rely on OfficeScan for PCI DSS endpoint compliance would face dual exposure — operational disruption and regulatory non-compliance. Telecom operators such as STC and Mobily managing large endpoint fleets via OfficeScan could see cascading compromise across thousands of managed devices. Healthcare organizations and Vision 2030 smart city infrastructure projects using OfficeScan are also at significant risk of data exfiltration and operational disruption.
🏢 Affected Saudi Sectors
Government
Energy & Oil (ARAMCO/SABIC)
Banking & Financial Services
Telecom
Healthcare
Defense & National Security
Transportation & Logistics
Education
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS (0-24 hours):
1. Identify all OfficeScan server instances in your environment using asset inventory tools
2. Isolate OfficeScan servers from direct internet exposure immediately — place behind strict firewall rules
3. Block inbound connections to OfficeScan web console ports (typically 8080, 4343) from untrusted networks
4. Review OfficeScan server logs for signs of exploitation — look for unusual ZIP file uploads and unexpected file creation in web-accessible directories
PATCHING GUIDANCE:
1. Apply Trend Micro OfficeScan XG SP1 Critical Patch (Build 5510) or later immediately
2. For OfficeScan 11.0, apply the corresponding critical patch provided by Trend Micro
3. Verify patch integrity using Trend Micro's published checksums before deployment
4. Restart OfficeScan services after patching and validate functionality
COMPENSATING CONTROLS (if patching is delayed):
1. Implement strict network segmentation — restrict OfficeScan server access to management networks only
2. Deploy a Web Application Firewall (WAF) rule to block path traversal patterns (../, ..\ sequences) in HTTP requests to OfficeScan
3. Enable file integrity monitoring on OfficeScan server directories
4. Restrict file upload functionality at the network perimeter
5. Implement application whitelisting on the OfficeScan server
DETECTION RULES:
1. SIEM alert: Monitor for HTTP POST requests containing ZIP files with path traversal sequences to OfficeScan endpoints
2. EDR rule: Alert on unexpected process spawning from OfficeScan server processes (e.g., ofcscan.exe spawning cmd.exe or powershell.exe)
3. File integrity monitoring: Alert on new file creation in OfficeScan web root directories outside of normal update cycles
4. Network IDS signature: Detect ZIP files containing '../' or '..\' sequences in HTTP uploads to OfficeScan ports
5. Log monitoring: Alert on OfficeScan server errors related to file extraction operations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية (0-24 ساعة):
1. تحديد جميع خوادم OfficeScan في بيئتك باستخدام أدوات جرد الأصول
2. عزل خوادم OfficeScan عن الإنترنت المباشر فوراً — وضعها خلف قواعد جدار حماية صارمة
3. حظر الاتصالات الواردة إلى منافذ وحدة تحكم الويب الخاصة بـ OfficeScan (عادةً 8080 و4343) من الشبكات غير الموثوقة
4. مراجعة سجلات خادم OfficeScan بحثاً عن علامات الاستغلال — البحث عن تحميلات ملفات ZIP غير عادية وإنشاء ملفات غير متوقعة في الدلائل التي يمكن الوصول إليها عبر الويب
إرشادات التصحيح:
1. تطبيق التصحيح الحرج لـ Trend Micro OfficeScan XG SP1 (الإصدار 5510) أو أحدث فوراً
2. بالنسبة لـ OfficeScan 11.0، تطبيق التصحيح الحرج المقابل المقدم من Trend Micro
3. التحقق من سلامة التصحيح باستخدام مجاميع التحقق المنشورة من Trend Micro قبل النشر
4. إعادة تشغيل خدمات OfficeScan بعد التصحيح والتحقق من الوظائف
ضوابط التعويض (في حالة تأخر التصحيح):
1. تنفيذ تجزئة صارمة للشبكة — تقييد الوصول إلى خادم OfficeScan على شبكات الإدارة فقط
2. نشر قاعدة جدار حماية تطبيقات الويب (WAF) لحظر أنماط اجتياز المسار (تسلسلات ../ و..\ ) في طلبات HTTP إلى OfficeScan
3. تفعيل مراقبة سلامة الملفات على دلائل خادم OfficeScan
4. تقييد وظيفة تحميل الملفات على محيط الشبكة
5. تنفيذ قائمة بيضاء للتطبيقات على خادم OfficeScan
قواعد الكشف:
1. تنبيه SIEM: مراقبة طلبات HTTP POST التي تحتوي على ملفات ZIP مع تسلسلات اجتياز المسار إلى نقاط نهاية OfficeScan
2. قاعدة EDR: التنبيه على إنشاء عمليات غير متوقعة من عمليات خادم OfficeScan (مثل ofcscan.exe الذي يُنشئ cmd.exe أو powershell.exe)
3. مراقبة سلامة الملفات: التنبيه على إنشاء ملفات جديدة في دلائل جذر الويب الخاصة بـ OfficeScan خارج دورات التحديث العادية
4. توقيع IDS للشبكة: اكتشاف ملفات ZIP التي تحتوي على تسلسلات '../' أو '..\' في تحميلات HTTP إلى منافذ OfficeScan
5. مراقبة السجلات: التنبيه على أخطاء خادم OfficeScan المتعلقة بعمليات استخراج الملفات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-4-2: Cybersecurity Vulnerability Management — critical patch application within defined SLA
ECC-1-3-2: Cybersecurity Event Logging and Monitoring — detection of exploitation attempts
ECC-2-2-1: Network Security — network segmentation and access control for management systems
ECC-2-3-1: Endpoint Security — integrity of endpoint security management infrastructure
ECC-1-5-1: Cybersecurity Incident Management — response to active exploitation
🔵 SAMA CSF
3.3.3 Vulnerability Management — timely identification and remediation of critical vulnerabilities
3.3.5 Patch Management — application of vendor-supplied critical patches
3.3.6 Change Management — controlled patching of security infrastructure
3.3.2 Threat Intelligence — monitoring for active exploitation of known CVEs
3.4.1 Incident Management — response procedures for compromised security infrastructure
🟡 ISO 27001:2022
A.8.8 Management of technical vulnerabilities — timely patching of critical systems
A.8.20 Networks security — network access controls for management servers
A.8.7 Protection against malware — integrity of anti-malware management infrastructure
A.8.16 Monitoring activities — detection of exploitation attempts
A.5.30 ICT readiness for business continuity — resilience of security management systems
🟣 PCI DSS v4.0
Requirement 6.3.3 — All system components protected from known vulnerabilities by installing applicable security patches
Requirement 6.2.4 — Software development practices to prevent common vulnerabilities including path traversal
Requirement 11.3.1 — Internal vulnerability scans performed to identify critical vulnerabilities
Requirement 12.3.2 — Targeted risk analysis for critical security systems
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Trend Micro:OfficeScan