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Vulnerabilities

CVE-2015-5123

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Adobe Flash Player Use-After-Free Vulnerability — Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execu
Published: Apr 13, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Adobe Flash Player Use-After-Free Vulnerability — Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

🤖 AI Executive Summary

CVE-2015-5123 is a critical use-after-free vulnerability in Adobe Flash Player's BitmapData class that allows remote attackers to execute arbitrary code or cause denial-of-service through malicious Flash content. With a CVSS score of 9.0 and publicly available exploits, this vulnerability poses an immediate threat to organizations still running unpatched Flash instances. Urgent patching is required across all affected systems.

📄 Description (Arabic)

ثغرة استخدام الذاكرة بعد تحريرها (Use-After-Free) في فئة BitmapData الموجودة في تطبيق ActionScript 3 (AS3) في Adobe Flash Player تسمح للمهاجمين البعيدين بتنفيذ أكواد برمجية عشوائية أو التسبب في رفض الخدمة (DoS) على الأنظمة المتأثرة

🤖 ملخص تنفيذي (AI)

ثغرة استخدام الذاكرة بعد تحريرها في فئة BitmapData في تطبيق ActionScript 3 (AS3) في Adobe Flash Player تسمح للمهاجمين البعيدين بتنفيذ أكواد أو التسبب في رفض الخدمة

🤖 AI Intelligence Analysis Analyzed: Apr 3, 2026 23:54
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations across multiple critical sectors face significant risk: Banking sector (SAMA-regulated institutions) using Flash for legacy web applications and customer portals; Government agencies (NCA oversight) relying on Flash-based administrative systems; Telecommunications (STC, Mobily) with Flash-dependent network management interfaces; Energy sector (ARAMCO, SEC) with industrial control systems potentially exposed; Healthcare institutions using Flash in medical imaging or administrative systems. The widespread use of Flash in legacy Saudi enterprise systems makes this vulnerability particularly dangerous.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Energy and Utilities Healthcare Education Retail and E-commerce
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running Adobe Flash Player using network scanning tools and asset inventory systems
2. Disable Flash Player in web browsers via security policies if not absolutely required
3. Block Flash content at network perimeter using web filtering and DLP solutions
4. Isolate affected systems from critical networks if patching cannot be immediately applied

PATCHING GUIDANCE:
1. Apply Adobe Flash Player security update to version 18.0.0.209 or later immediately
2. For enterprise deployments, use centralized patch management (WSUS, SCCM, or equivalent)
3. Verify patch installation across all endpoints using vulnerability scanning tools
4. Test patches in non-production environments before enterprise rollout

COMPENSATING CONTROLS (if patching delayed):
1. Implement application whitelisting to prevent unauthorized Flash execution
2. Deploy browser isolation technology for accessing untrusted web content
3. Use Content Security Policy (CSP) headers to restrict Flash execution
4. Monitor for exploitation attempts using IDS/IPS signatures

DETECTION RULES:
1. Monitor for abnormal BitmapData object creation patterns in Flash applications
2. Alert on unexpected process spawning from browser or Flash processes
3. Track failed Flash Player update attempts and version mismatches
4. Monitor network traffic for known Flash exploit payloads (Metasploit modules)
5. Log and alert on Flash Player crashes or unexpected terminations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تقوم بتشغيل Adobe Flash Player باستخدام أدوات المسح الشبكي وأنظمة جرد الأصول
2. تعطيل Flash Player في متصفحات الويب عبر سياسات الأمان إذا لم تكن مطلوبة بشكل مطلق
3. حظر محتوى Flash على محيط الشبكة باستخدام تصفية الويب وحلول منع فقدان البيانات
4. عزل الأنظمة المتأثرة عن الشبكات الحرجة إذا لم يكن التصحيح ممكناً فوراً

إرشادات التصحيح:
1. تطبيق تحديث أمان Adobe Flash Player للإصدار 18.0.0.209 أو أحدث فوراً
2. للنشر على مستوى المؤسسة، استخدم إدارة التصحيحات المركزية
3. التحقق من تثبيت التصحيح على جميع نقاط النهاية باستخدام أدوات المسح
4. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر على مستوى المؤسسة

الضوابط البديلة (إذا تأخر التصحيح):
1. تنفيذ قائمة بيضاء للتطبيقات لمنع تنفيذ Flash غير المصرح به
2. نشر تكنولوجيا عزل المتصفح للوصول إلى محتوى الويب غير الموثوق
3. استخدام رؤوس سياسة أمان المحتوى لتقييد تنفيذ Flash
4. مراقبة محاولات الاستغلال باستخدام توقيعات IDS/IPS

قواعد الكشف:
1. مراقبة أنماط إنشاء كائنات BitmapData غير الطبيعية في تطبيقات Flash
2. التنبيه على توليد العمليات غير المتوقعة من متصفح أو عمليات Flash
3. تتبع محاولات تحديث Flash Player الفاشلة وعدم تطابق الإصدارات
4. مراقبة حركة المرور الشبكية للحصول على حمولات استغلال Flash المعروفة
5. تسجيل والتنبيه على أعطال Flash Player أو الإنهاء غير المتوقع
📋 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
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset management and vulnerability identification SAMA CSF PR.IP-12 - Software, firmware, and information integrity mechanisms SAMA CSF DE.CM-1 - Detection processes and tools
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Segregation of development, test and production environments ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development policy and procedures
🟣 PCI DSS v4.0
PCI DSS 6.2 - Ensure security patches are installed within one month of release PCI DSS 11.2 - Run automated vulnerability scanning tools regularly
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Adobe:Flash Player
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS47.56%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-05-04
Published 2022-04-13
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited
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