📄 Description (English)
VA MAX 8.3.4 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the mtu_eth0 parameter. Attackers can send POST requests to the changeip.php endpoint with malicious payload in the mtu_eth0 field to execute commands as the apache user.
🤖 AI Executive Summary
CVE-2019-25671 is a critical remote code execution vulnerability in VA MAX 8.3.4 affecting the changeip.php endpoint. Authenticated attackers can inject shell metacharacters into the mtu_eth0 parameter to execute arbitrary commands with apache user privileges. With a CVSS score of 8.8 and no available patch, this vulnerability poses significant risk to organizations using affected versions.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 22, 2026 01:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts telecommunications and ISP sectors in Saudi Arabia that may deploy VA MAX network management appliances. Organizations in government IT infrastructure, healthcare networks requiring network management, and enterprise IT departments managing network configurations are at risk. The vulnerability is particularly concerning for ARAMCO and other critical infrastructure operators if VA MAX is used in their network management stack. The lack of available patches makes this a persistent threat requiring immediate compensating controls.
🏢 Affected Saudi Sectors
Telecommunications
Internet Service Providers
Government IT Infrastructure
Healthcare Networks
Energy Sector
Critical Infrastructure
Enterprise IT Management
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all instances of VA MAX 8.3.4 in your network infrastructure
2. Restrict access to changeip.php endpoint to trusted administrative networks only using firewall rules
3. Implement network segmentation to isolate VA MAX management interfaces
4. Disable the changeip.php endpoint if not actively required for operations
5. Monitor all POST requests to changeip.php for suspicious mtu_eth0 parameter values
Compensating Controls:
1. Implement Web Application Firewall (WAF) rules to block requests containing shell metacharacters (|, ;, &, $, `, >, <, newlines) in mtu_eth0 parameter
2. Apply strict input validation at network perimeter level
3. Enforce strong authentication and multi-factor authentication for administrative access
4. Implement detailed logging and alerting for all changeip.php access attempts
5. Run VA MAX with least privilege principles; consider running apache process with restricted user account
Detection Rules:
1. Alert on POST requests to changeip.php containing special characters in mtu_eth0 field
2. Monitor for apache process spawning unexpected child processes
3. Track command execution attempts from apache user context
4. Log and alert on any modifications to network configuration files via web interface
5. Implement IDS/IPS signatures detecting shell metacharacter injection patterns
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نسخ VA MAX 8.3.4 في البنية التحتية للشبكة
2. تقييد الوصول إلى نقطة نهاية changeip.php إلى الشبكات الإدارية الموثوقة فقط باستخدام قواعد جدار الحماية
3. تطبيق تقسيم الشبكة لعزل واجهات إدارة VA MAX
4. تعطيل نقطة نهاية changeip.php إذا لم تكن مطلوبة بنشاط للعمليات
5. مراقبة جميع طلبات POST إلى changeip.php للقيم المريبة في معامل mtu_eth0
الضوابط التعويضية:
1. تطبيق قواعد جدار تطبيقات الويب (WAF) لحظر الطلبات التي تحتوي على أحرف shell metacharacters (|, ;, &, $, `, >, <, أسطر جديدة) في معامل mtu_eth0
2. تطبيق التحقق الصارم من صحة الإدخال على مستوى محيط الشبكة
3. فرض المصادقة القوية والمصادقة متعددة العوامل للوصول الإداري
4. تطبيق التسجيل والتنبيهات التفصيلية لجميع محاولات الوصول إلى changeip.php
5. تشغيل VA MAX مع مبادئ أقل امتياز؛ فكر في تشغيل عملية apache بحساب مستخدم مقيد
قواعد الكشف:
1. التنبيه على طلبات POST إلى changeip.php التي تحتوي على أحرف خاصة في حقل mtu_eth0
2. مراقبة عمليات apache التي تولد عمليات فرعية غير متوقعة
3. تتبع محاولات تنفيذ الأوامر من سياق مستخدم apache
4. تسجيل والتنبيه على أي تعديلات على ملفات إعدادات الشبكة عبر واجهة الويب
5. تطبيق توقيعات IDS/IPS للكشف عن أنماط حقن shell metacharacter
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.5.2.1 - User access management and authentication
A.5.3.1 - Access control implementation
A.5.4.1 - Cryptography and secure communications
A.5.5.1 - Monitoring and logging of security events
🔵 SAMA CSF
ID.AM-2 - Asset management and inventory
PR.AC-1 - Access control and authentication
PR.AC-3 - Access enforcement
DE.CM-1 - Detection and monitoring
DE.CM-3 - Monitoring and detection of unauthorized activities
🟡 ISO 27001:2022
A.5.1.1 - Policies for information security
A.5.2.1 - User registration and de-registration
A.5.3.1 - User access provisioning
A.5.3.2 - Access rights review
A.5.4.1 - Information and other assets
A.8.1.1 - User endpoint devices
A.8.3.1 - Logging
🟣 PCI DSS v4.0
Requirement 1.1 - Firewall configuration standards
Requirement 2.1 - Default security parameters
Requirement 6.2 - Security patches and updates
Requirement 10.2 - Logging and monitoring