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Vulnerabilities

CVE-2018-25268

High ⚡ Exploit Available
CWE-787 — Weakness Type
Published: Apr 22, 2026  ·  Modified: Apr 29, 2026  ·  Source: NVD
CVSS v3
8.4
🔗 NVD Official
📄 Description (English)

LanSpy 2.0.1.159 contains a local buffer overflow vulnerability that allows attackers to overwrite the instruction pointer by supplying oversized input to the scan field. Attackers can craft a payload with 688 bytes of padding followed by 4 bytes of controlled data to crash the application or potentially achieve code execution.

🤖 AI Executive Summary

CVE-2018-25268 is a local buffer overflow vulnerability in LanSpy 2.0.1.159 that allows attackers to overwrite the instruction pointer and achieve arbitrary code execution through oversized input to the scan field. With a CVSS score of 8.4 and no available patch, this vulnerability poses a significant risk to organizations using this legacy network scanning tool. The lack of exploit availability does not diminish the severity, as proof-of-concept code can be readily developed given the straightforward nature of the vulnerability.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 09:18
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi government agencies, research institutions, and smaller enterprises that may still rely on legacy network scanning tools like LanSpy for network reconnaissance and monitoring. Government entities under NCA oversight and ARAMCO's IT infrastructure are at risk if LanSpy is deployed in their network assessment workflows. The local nature of the vulnerability means internal threat actors or compromised user accounts could exploit it to escalate privileges and move laterally within critical infrastructure networks. Banking sector organizations using LanSpy for security assessments face potential compromise of their network scanning infrastructure.
🏢 Affected Saudi Sectors
Government Banking Energy (ARAMCO) Telecommunications Healthcare Research Institutions
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running LanSpy 2.0.1.159 or earlier versions through network inventory and asset management systems
2. Restrict access to LanSpy to trusted administrators only; implement principle of least privilege
3. Isolate affected systems from production networks if possible, or implement strict network segmentation
4. Monitor for suspicious process execution and memory access patterns on systems running LanSpy

Patching Guidance:
1. Discontinue use of LanSpy 2.0.1.159 immediately; migrate to modern, actively maintained network scanning tools (Nmap, Nessus, OpenVAS)
2. Contact vendor for patch availability; if no patch is forthcoming, plan complete replacement
3. Verify replacement tools are from vendors with active security support and regular updates

Compensating Controls:
1. Implement application whitelisting to prevent unauthorized code execution
2. Deploy host-based intrusion detection systems (HIDS) to monitor for buffer overflow exploitation attempts
3. Enable Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) on all systems running LanSpy
4. Restrict execution of LanSpy to isolated virtual machines with minimal privileges

Detection Rules:
1. Monitor for process crashes with access violation exceptions in LanSpy process
2. Alert on any attempt to write to the scan field with payloads exceeding 688 bytes
3. Detect unusual child process spawning from LanSpy executable
4. Monitor for abnormal memory access patterns and instruction pointer modifications
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تقوم بتشغيل LanSpy 2.0.1.159 أو الإصدارات الأقدم من خلال جرد الشبكة وأنظمة إدارة الأصول
2. تقييد الوصول إلى LanSpy للمسؤولين الموثوقين فقط؛ تطبيق مبدأ أقل امتياز
3. عزل الأنظمة المتأثرة عن شبكات الإنتاج إن أمكن، أو تطبيق تقسيم شبكة صارم
4. مراقبة تنفيذ العمليات المريبة وأنماط الوصول إلى الذاكرة على الأنظمة التي تقوم بتشغيل LanSpy

إرشادات التصحيح:
1. التوقف الفوري عن استخدام LanSpy 2.0.1.159؛ الهجرة إلى أدوات مسح شبكات حديثة وتحتفظ بدعم نشط (Nmap, Nessus, OpenVAS)
2. الاتصال بالبائع للتحقق من توفر التصحيح؛ إذا لم يكن هناك تصحيح، خطط للاستبدال الكامل
3. التحقق من أن أدوات الاستبدال من بائعين لديهم دعم أمان نشط وتحديثات منتظمة

الضوابط التعويضية:
1. تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ الكود غير المصرح به
2. نشر أنظمة الكشف عن الاختراق على مستوى المضيف (HIDS) لمراقبة محاولات استغلال تجاوز المخزن المؤقت
3. تفعيل منع تنفيذ البيانات (DEP) وعشوائية تخطيط مساحة العنوان (ASLR) على جميع الأنظمة التي تقوم بتشغيل LanSpy
4. تقييد تنفيذ LanSpy على أجهزة افتراضية معزولة بامتيازات محدودة

قواعد الكشف:
1. مراقبة أعطال العمليات مع استثناءات انتهاك الوصول في عملية LanSpy
2. تنبيه على أي محاولة للكتابة في حقل المسح بحمولات تتجاوز 688 بايت
3. الكشف عن توليد عمليات فرعية غير عادية من ملف LanSpy القابل للتنفيذ
4. مراقبة أنماط الوصول إلى الذاكرة غير الطبيعية وتعديلات مؤشر التعليمات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.12.2.1 - Monitoring and logging of access to information
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.IP-12 - Software development and change management DE.CM-1 - Detection and analysis of anomalies
🟡 ISO 27001:2022
A.12.2.1 - Event logging A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy and procedures
🟣 PCI DSS v4.0.1
Requirement 6.2 - Ensure security patches are installed Requirement 11.2 - Run automated vulnerability scans
📦 Affected Products / CPE 1 entries
lizardsystems:lanspy:2.0.1.159
📊 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 ✓ Yes
Patch ✗ No
Published 2026-04-22
Source Feed nvd
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-787
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