📄 Description (English)
PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash.
🤖 AI Executive Summary
CVE-2019-25564 is a local buffer overflow vulnerability in PCHelpWareV2 1.0.0.5 that allows authenticated local attackers to crash the application via an excessively long string in the Group field. With no available patch and no public exploit, the risk is moderate but requires immediate attention for organizations using this legacy software. The vulnerability requires local access, limiting remote exploitation potential but posing insider threat risks.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 25, 2026 08:01
🇸🇦 Saudi Arabia Impact Assessment
Organizations in Saudi Arabia using PCHelpWareV2 for IT support and help desk operations face denial of service risks, particularly in government agencies, healthcare facilities, and enterprise IT departments. The vulnerability is most concerning for ARAMCO, SABIC, and other critical infrastructure operators relying on legacy help desk systems. Banking sector (SAMA-regulated institutions) and telecommunications (STC, Mobily) may be affected if using this software for internal IT support. The local-only nature limits external threat but increases insider threat risk in organizations with multiple IT staff.
🏢 Affected Saudi Sectors
Government Agencies
Healthcare
Energy (ARAMCO, SABIC)
Banking (SAMA-regulated)
Telecommunications (STC, Mobily)
Enterprise IT Operations
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
4.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all systems running PCHelpWareV2 1.0.0.5 across the organization
2. Restrict local access to the application through file permissions and access controls
3. Implement application whitelisting to prevent unauthorized execution
4. Monitor for suspicious activity targeting the Group field parameter
Compensating Controls:
1. Implement input validation at the application wrapper level to limit string length in Group field
2. Deploy application sandboxing or virtualization for PCHelpWareV2 instances
3. Enforce principle of least privilege for user accounts accessing the application
4. Enable detailed logging and alerting for application crashes
5. Consider migrating to a patched/supported help desk solution (e.g., ServiceNow, Jira Service Management)
Detection Rules:
1. Monitor for PCHelpWareV2.exe crashes with event ID 1000 (Application Error)
2. Alert on Group field input exceeding 1000 characters
3. Track failed application launches following Group field modifications
4. Monitor process memory violations related to PCHelpWareV2
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأنظمة التي تقوم بتشغيل PCHelpWareV2 الإصدار 1.0.0.5 في المنظمة
2. تقييد الوصول المحلي للتطبيق من خلال أذونات الملفات والتحكم في الوصول
3. تطبيق قائمة التطبيقات المسموحة لمنع التنفيذ غير المصرح به
4. مراقبة النشاط المريب الموجه نحو معامل حقل المجموعة
الضوابط التعويضية:
1. تطبيق التحقق من صحة الإدخال على مستوى غلاف التطبيق لتحديد طول السلسلة في حقل المجموعة
2. نشر عزل التطبيقات أو المحاكاة الافتراضية لمثيلات PCHelpWareV2
3. فرض مبدأ الامتياز الأقل للحسابات التي تصل إلى التطبيق
4. تفعيل السجلات التفصيلية والتنبيهات لأعطال التطبيق
5. النظر في الترقية إلى حل مكتب مساعدة معدل/مدعوم (مثل ServiceNow أو Jira Service Management)
قواعد الكشف:
1. مراقبة أعطال PCHelpWareV2.exe مع معرف الحدث 1000 (خطأ التطبيق)
2. التنبيه على إدخال حقل المجموعة الذي يتجاوز 1000 حرف
3. تتبع عمليات إطلاق التطبيق الفاشلة بعد تعديلات حقل المجموعة
4. مراقبة انتهاكات ذاكرة العملية المتعلقة بـ PCHelpWareV2
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies (legacy system management)
A.8.1.1 - User Access Management (local access controls)
A.12.2.1 - Change Management (application updates and patches)
A.12.6.1 - Management of Technical Vulnerabilities (vulnerability tracking)
🔵 SAMA CSF
ID.AM-2 - Asset Management (inventory of legacy systems)
PR.AC-1 - Access Control Policy (local access restrictions)
PR.PT-2 - Protective Technology (application sandboxing)
DE.CM-1 - Detection and Analysis (monitoring for crashes)
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities and exposures
A.14.2.1 - Change management procedures
A.8.1.1 - User access management and provisioning
A.12.4.1 - Event logging and monitoring
🔗 References & Sources 4
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http://www.uvnc.eu/download/pchw2/PCHelpWareV2.msi
disclosure@vulncheck.com
https://www.exploit-db.com/exploits/46709
disclosure@vulncheck.com
https://www.uvnc.com/home.html
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-group-field
disclosure@vulncheck.com