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Global vulnerability Multiple sectors CRITICAL 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h Global vulnerability Multiple sectors CRITICAL 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h Global vulnerability Multiple sectors CRITICAL 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h
Vulnerabilities

CVE-2023-2136

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Google Chrome Skia Integer Overflow Vulnerability - Sandbox Escape
Published: Apr 21, 2023  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Google Chrome Skia Integer Overflow Vulnerability — Google Chromium Skia contains an integer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects Google Chrome and ChromeOS, Android, Flutter, and possibly other products.

🤖 AI Executive Summary

CVE-2023-2136 is a critical integer overflow vulnerability in Google Chromium's Skia graphics library (CVSS 9.0) that enables sandbox escape when the renderer process is compromised. An attacker can exploit this via crafted HTML to gain elevated privileges and potentially execute arbitrary code outside the sandbox. With public exploits available, this poses an immediate threat to all Chrome users in Saudi Arabia, particularly those accessing untrusted content.

📄 Description (Arabic)

تحتوي مكتبة Skia في Google Chromium على ثغرة تجاوز عدد صحيح تسمح للمهاجمين البعيدين الذين تمكنوا من اختراق عملية العرض بتنفيذ هروب من الحماية الرملية. يمكن للمهاجم إنشاء صفحة HTML مصنوعة بعناية لاستغلال هذه الثغرة والوصول إلى موارد النظام المحمية. تؤثر هذه الثغرة على عدة منتجات من Google بما فيها Chrome و ChromeOS و Android و Flutter.

🤖 ملخص تنفيذي (AI)

CVE-2023-2136 عبارة عن ثغرة حرجة في مكتبة Skia الرسومية بمتصفح Google Chromium (درجة CVSS 9.0) تسمح بالهروب من الحماية الرملية عند اختراق عملية العرض. يمكن للمهاجم استغلال هذه الثغرة من خلال صفحة HTML مصممة خصيصاً للحصول على امتيازات مرتفعة وتنفيذ أكواد عشوائية خارج الحماية الرملية. مع توفر استغلالات عامة، تشكل هذه الثغرة تهديداً فورياً لجميع مستخدمي Chrome في المملكة العربية السعودية.

🤖 AI Intelligence Analysis Analyzed: Apr 20, 2026 19:32
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi banking sector (SAMA-regulated institutions), government entities (NCA oversight), and critical infrastructure operators. Financial institutions using Chrome for web-based banking platforms and government agencies relying on Chromium-based systems face elevated risk of data exfiltration and system compromise. Telecommunications sector (STC, Mobily) and energy sector (ARAMCO) employees accessing web applications are vulnerable. Healthcare organizations using web-based medical systems and educational institutions are also at risk. The sandbox escape capability is particularly concerning for organizations handling sensitive data.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Critical Infrastructure and Energy Telecommunications Healthcare Education Defense and Security
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Deploy Chrome/Chromium patches immediately to all endpoints — update to version 113.0.5672.63 or later
2. For ChromeOS devices, enable automatic updates and verify patch deployment across all managed devices
3. Block or restrict access to untrusted websites and implement web content filtering
4. Monitor for suspicious process behavior and sandbox escape attempts

PATCHING GUIDANCE:
1. Prioritize patching for government, banking, and critical infrastructure systems
2. Use WSUS/SCCM for enterprise Chrome deployment and patch management
3. Verify patch installation: chrome://version should show updated version number
4. Test patches in non-production environments before full deployment

COMPENSATING CONTROLS (if immediate patching delayed):
1. Implement application whitelisting to restrict Chrome execution
2. Disable JavaScript execution in Chrome for non-essential users
3. Isolate systems handling sensitive data from internet access
4. Deploy endpoint detection and response (EDR) solutions with behavioral monitoring

DETECTION RULES:
1. Monitor for Chrome process spawning child processes with elevated privileges
2. Alert on unusual memory access patterns or heap corruption indicators
3. Track Chrome renderer process crashes followed by privilege escalation attempts
4. Monitor for Skia library function calls with malformed integer parameters
5. Implement YARA rules for known exploit payloads targeting Skia integer overflow
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. نشر تحديثات Chrome/Chromium فوراً على جميع الأجهزة — التحديث إلى الإصدار 113.0.5672.63 أو أحدث
2. لأجهزة ChromeOS، تفعيل التحديثات التلقائية والتحقق من نشر التصحيحات عبر جميع الأجهزة المدارة
3. حظر أو تقييد الوصول إلى المواقع غير الموثوقة وتطبيق تصفية محتوى الويب
4. مراقبة السلوك المريب لعمليات الهروب من الحماية الرملية

إرشادات التصحيح:
1. إعطاء الأولوية لتصحيح أنظمة الحكومة والبنوك والبنية التحتية الحرجة
2. استخدام WSUS/SCCM لنشر Chrome على مستوى المؤسسة وإدارة التصحيحات
3. التحقق من تثبيت التصحيح: chrome://version يجب أن يعرض رقم الإصدار المحدث
4. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر الكامل

الضوابط البديلة (إذا تأخر التصحيح الفوري):
1. تطبيق قائمة بيضاء للتطبيقات لتقييد تنفيذ Chrome
2. تعطيل تنفيذ JavaScript في Chrome للمستخدمين غير الأساسيين
3. عزل الأنظمة التي تتعامل مع البيانات الحساسة عن الوصول إلى الإنترنت
4. نشر حلول الكشف والاستجابة على نقاط النهاية (EDR) مع المراقبة السلوكية

قواعد الكشف:
1. مراقبة عمليات Chrome التي تولد عمليات فرعية بامتيازات مرتفعة
2. تنبيهات على أنماط الوصول إلى الذاكرة غير العادية أو مؤشرات تلف الكومة
3. تتبع أعطال عملية عرض Chrome متبوعة بمحاولات تصعيد الامتيازات
4. مراقبة استدعاءات مكتبة Skia بمعاملات عدد صحيح مشوهة
5. تطبيق قواعد YARA للحمولات الاستغلالية المعروفة التي تستهدف تجاوز عدد صحيح في Skia
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 — Information Security Policies and Procedures ECC 2024 A.6.1.1 — Organization of Information Security ECC 2024 A.8.1.1 — Asset Management and Inventory ECC 2024 A.12.2.1 — Change Management ECC 2024 A.12.6.1 — Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.BE-1 — Business Environment SAMA CSF PR.IP-1 — Information Protection Processes and Procedures SAMA CSF PR.IP-12 — Software, Firmware, and Information Integrity SAMA CSF DE.CM-8 — Vulnerability Scans SAMA CSF RS.MI-2 — Incident Response Improvements
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 — Policies for Information Security ISO 27001:2022 A.8.1 — Asset Management ISO 27001:2022 A.12.2 — Software and Information Integrity ISO 27001:2022 A.12.6 — Management of Technical Vulnerabilities ISO 27001:2022 A.14.2 — Information Security Requirements Analysis and Specification
🟣 PCI DSS v4.0
PCI DSS 6.2 — Security Patches and Updates PCI DSS 6.3.1 — Vulnerability Scanning PCI DSS 11.2 — Vulnerability Scanning Program
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Google:Chromium Skia
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS0.44%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2023-05-12
Published 2023-04-21
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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