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Vulnerabilities

CVE-2016-20044

High
PInfo 0.6.9-5.1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -m parameter. Attackers can craft a malic
CWE-787 — Weakness Type
Published: Mar 28, 2026  ·  Modified: Apr 4, 2026  ·  Source: NVD
CVSS v3
8.4
🔗 NVD Official
📄 Description (English)

PInfo 0.6.9-5.1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -m parameter. Attackers can craft a malicious input string with 564 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.

🤖 AI Executive Summary

CVE-2016-20044 is a local buffer overflow vulnerability in PInfo 0.6.9-5.1 that allows authenticated local attackers to execute arbitrary code with user privileges through oversized arguments to the -m parameter. With a CVSS score of 8.4, this vulnerability poses a significant risk to systems where PInfo is installed and accessible to local users. No patch is currently available, requiring immediate compensating controls and monitoring.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 04:54
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects government and research institutions in Saudi Arabia that utilize PInfo for system information retrieval. Risk is elevated in organizations running legacy Linux systems in government agencies (NCA, NCSC), academic institutions, and research centers. The local-only attack vector limits exposure but poses significant risk in multi-user environments and shared hosting scenarios common in Saudi government and educational sectors. Organizations with privileged user access controls and system administration tools are most vulnerable.
🏢 Affected Saudi Sectors
Government Education Research Institutions Healthcare IT Infrastructure Telecommunications
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all systems running PInfo 0.6.9-5.1 across your organization
2. Restrict local user access to systems running vulnerable PInfo versions
3. Implement strict access controls limiting shell access to trusted administrators only
4. Monitor for suspicious process execution and core dumps

Compensating Controls (No Patch Available):
1. Disable or remove PInfo if not critical to operations
2. Implement application whitelisting to prevent arbitrary code execution
3. Use SELinux or AppArmor with strict confinement policies for PInfo execution
4. Restrict file permissions on PInfo binary to prevent unauthorized execution
5. Implement kernel-level protections: enable ASLR, DEP/NX, and stack canaries

Detection Rules:
1. Monitor for PInfo process execution with unusually long command-line arguments
2. Alert on segmentation faults or core dumps from PInfo process
3. Track failed attempts to execute PInfo with oversized -m parameters
4. Monitor system calls for suspicious memory operations following PInfo execution
5. Implement IDS signatures detecting buffer overflow patterns in local process execution
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأنظمة التي تعمل بـ PInfo 0.6.9-5.1 في مؤسستك
2. تقييد وصول المستخدمين المحليين إلى الأنظمة التي تعمل بإصدارات PInfo الضعيفة
3. تطبيق ضوابط وصول صارمة تحد من وصول shell للمسؤولين الموثوقين فقط
4. مراقبة تنفيذ العمليات المريبة والتفريغات الأساسية

الضوابط التعويضية (لا يوجد تصحيح متاح):
1. تعطيل أو إزالة PInfo إذا لم تكن حرجة للعمليات
2. تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ الكود العشوائي
3. استخدام SELinux أو AppArmor مع سياسات حبس صارمة لتنفيذ PInfo
4. تقييد أذونات الملفات على ملف PInfo الثنائي لمنع التنفيذ غير المصرح
5. تطبيق حماية على مستوى النواة: تفعيل ASLR و DEP/NX وشموع المكدس

قواعد الكشف:
1. مراقبة تنفيذ عملية PInfo مع معاملات سطر أوامر طويلة بشكل غير عادي
2. تنبيه على أخطاء التقسيم أو التفريغات الأساسية من عملية PInfo
3. تتبع محاولات فاشلة لتنفيذ PInfo مع معاملات -m مبالغ فيها
4. مراقبة استدعاءات النظام للعمليات المريبة على الذاكرة بعد تنفيذ PInfo
5. تطبيق توقيعات IDS للكشف عن أنماط تجاوز المخزن المؤقت في تنفيذ العملية المحلية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies ECC 2024 A.8.1.1 - User Endpoint Devices ECC 2024 A.8.2.1 - Privileged Access Rights ECC 2024 A.8.3.1 - Password Management ECC 2024 A.12.2.1 - Change Management
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software Inventory SAMA CSF PR.AC-1 - Access Control Policy SAMA CSF PR.AC-4 - Access Rights Management SAMA CSF DE.CM-1 - System Monitoring SAMA CSF DE.CM-3 - Unauthorized Software Detection
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access Control ISO 27001:2022 A.8.1 - User Endpoint Devices ISO 27001:2022 A.8.2 - Privileged Access Rights ISO 27001:2022 A.12.2 - Change Management ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities
📊 CVSS Score
8.4
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.4
CWECWE-787
EPSS0.02%
Exploit No
Patch ✗ No
Published 2026-03-28
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
6.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-787
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