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Vulnerabilities

CVE-2018-25273

Medium
CWE-120 — Weakness Type
Published: Apr 26, 2026  ·  Modified: Apr 29, 2026  ·  Source: NVD
CVSS v3
6.2
🔗 NVD Official
📄 Description (English)

CrossFont 7.5 contains a buffer overflow vulnerability that allows local attackers to crash the application by submitting an oversized payload in the License Key field. Attackers can generate a malicious file containing 4000 bytes of data, paste it into the License Key input field, and trigger an application crash when processing the input.

🤖 AI Executive Summary

CVE-2018-25273 is a buffer overflow vulnerability in CrossFont 7.5 affecting the License Key field, allowing local attackers to cause denial of service through application crashes. While no public exploit exists and patching is unavailable, the vulnerability requires local access and has limited remote impact. Organizations using CrossFont should implement compensating controls and monitor for suspicious license key submissions.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 22, 2026 05:32
🇸🇦 Saudi Arabia Impact Assessment
Impact is limited to organizations using CrossFont 7.5 for font management or design operations. Most at-risk sectors include: Government (design/publishing departments), Media & Publishing (news agencies, content creation), Education (universities with design programs), and Creative Industries. Saudi government entities and educational institutions using legacy design tools may be affected. The local-only attack vector significantly reduces risk in typical enterprise environments with proper access controls.
🏢 Affected Saudi Sectors
Government Education Media & Publishing Creative Industries Design & Architecture
⚖️ Saudi Risk Score (AI)
3.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running CrossFont 7.5 and document their usage context
2. Restrict local access to CrossFont to trusted users only; implement principle of least privilege
3. Disable CrossFont if not actively required for business operations

Compensating Controls (no patch available):
1. Implement input validation at the application level to reject License Key entries exceeding 256 bytes
2. Run CrossFont in a sandboxed environment or virtual machine to contain potential crashes
3. Monitor process crashes and application logs for repeated buffer overflow attempts
4. Implement file integrity monitoring on CrossFont installation directory

Detection Rules:
1. Alert on CrossFont process crashes with error codes indicating buffer overflow
2. Monitor for License Key field inputs exceeding 1000 bytes
3. Track failed license validation attempts from suspicious sources
4. Log all local user access to CrossFont application

Long-term:
1. Evaluate migration to CrossFont 7.6+ or alternative font management solutions
2. Maintain inventory of legacy applications and plan deprecation timeline
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تعمل بـ CrossFont 7.5 وتوثيق سياق استخدامها
2. تقييد الوصول المحلي إلى CrossFont للمستخدمين الموثوقين فقط؛ تطبيق مبدأ أقل امتياز
3. تعطيل CrossFont إذا لم يكن مطلوباً بنشاط للعمليات التجارية

الضوابط التعويضية (لا يوجد تصحيح متاح):
1. تطبيق التحقق من صحة الإدخال على مستوى التطبيق لرفض إدخالات مفتاح الترخيص التي تتجاوز 256 بايت
2. تشغيل CrossFont في بيئة معزولة أو جهاز افتراضي لاحتواء الأعطال المحتملة
3. مراقبة أعطال العملية وسجلات التطبيق لمحاولات تجاوز المخزن المؤقت المتكررة
4. تطبيق مراقبة سلامة الملفات على دليل تثبيت CrossFont

قواعد الكشف:
1. تنبيه على أعطال عملية CrossFont برموز خطأ تشير إلى تجاوز المخزن المؤقت
2. مراقبة إدخالات حقل مفتاح الترخيص التي تتجاوز 1000 بايت
3. تتبع محاولات التحقق من الترخيص الفاشلة من مصادر مريبة
4. تسجيل جميع عمليات الوصول المحلي للمستخدم إلى تطبيق CrossFont

المدى الطويل:
1. تقييم الترقية إلى CrossFont 7.6+ أو حلول إدارة الخطوط البديلة
2. الحفاظ على جرد التطبيقات القديمة والتخطيط لجدول زمني للإيقاف
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures A.8.1.1 - User access management and authentication A.12.2.1 - Change management procedures A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.AC-1 - Access control and authentication DE.CM-8 - Vulnerability scanning and monitoring RS.MI-2 - Incident response and mitigation
🟡 ISO 27001:2022
A.5.1 - Management direction for information security A.8.1 - User access management A.12.2 - Change management A.12.6 - Management of technical vulnerabilities and exposures
📊 CVSS Score
6.2
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorL — Low / Local
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score6.2
CWECWE-120
EPSS0.01%
Exploit No
Patch ✗ No
Published 2026-04-26
Source Feed nvd
🇸🇦 Saudi Risk Score
3.5
/ 10.0 — Saudi Risk
Priority: LOW
🏷️ Tags
CWE-120
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