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Vulnerabilities

CVE-2014-6278

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
GNU Bash OS Command Injection Vulnerability — GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.
Published: Oct 2, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

GNU Bash OS Command Injection Vulnerability — GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.

🤖 AI Executive Summary

CVE-2014-6278 is a critical OS command injection vulnerability in GNU Bash (part of the Shellshock family) with CVSS 9.0. Attackers can execute arbitrary commands remotely via crafted environment variables. Active exploits exist in the wild, making this a severe threat to Saudi infrastructure running vulnerable Bash versions on Linux/Unix systems, web servers, and network devices.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Mar 23, 2026 20:18
🇸🇦 Saudi Arabia Impact Assessment
Critical impact on Saudi organizations across all sectors. Banking/SAMA: Core banking systems, ATM networks, and payment gateways running Linux are vulnerable to complete compromise. Government/NCA: E-government portals, citizen services platforms, and critical infrastructure management systems face remote code execution risks. Energy/ARAMCO: SCADA systems, industrial control systems, and operational technology networks using Unix-based systems are at severe risk. Telecom/STC: Network infrastructure, billing systems, and customer-facing web applications are exploitable. Healthcare: Hospital management systems and medical device networks running embedded Linux are vulnerable. This vulnerability enables complete system takeover, data exfiltration, ransomware deployment, and lateral movement across Saudi networks.
🏢 Affected Saudi Sectors
Banking Government Energy Telecommunications Healthcare Education Transportation Utilities Manufacturing Retail
⚖️ Saudi Risk Score (AI)
9.5
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running Bash (Linux, Unix, macOS, network devices, IoT) using asset inventory tools
2. Implement emergency network segmentation to isolate critical systems
3. Deploy IDS/IPS signatures to detect Shellshock exploitation attempts

PATCHING (PRIORITY 1 - WITHIN 24 HOURS):
1. Update Bash to patched versions: RHEL/CentOS (bash-4.1.2-15.el6_5.2+), Ubuntu (3.2-0ubuntu1.5+), Debian (4.2+dfsg-0.1+deb7u3+)
2. Verify patch effectiveness using: env x='() { :;}; echo vulnerable' bash -c "echo test"
3. Restart all services using Bash after patching (Apache, CGI scripts, SSH, DHCP clients)

COMPENSATING CONTROLS (if patching delayed):
1. Disable CGI scripts on web servers or migrate to non-Bash interpreters
2. Implement WAF rules blocking malicious environment variable patterns: () { :;}
3. Restrict SSH access to trusted IP ranges only
4. Disable DHCP client Bash script execution
5. Monitor for suspicious process execution from web services

DETECTION RULES:
1. SIEM alerts for HTTP headers containing: () { :;}; or bash -c patterns
2. Monitor system logs for unexpected child processes from httpd/nginx
3. Network traffic inspection for shellshock exploit signatures
4. File integrity monitoring on /bin/bash and system binaries
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تشغل Bash (Linux، Unix، macOS، أجهزة الشبكة، إنترنت الأشياء) باستخدام أدوات جرد الأصول
2. تنفيذ تجزئة طارئة للشبكة لعزل الأنظمة الحرجة
3. نشر توقيعات IDS/IPS للكشف عن محاولات استغلال Shellshock

التصحيح (الأولوية 1 - خلال 24 ساعة):
1. تحديث Bash إلى الإصدارات المصححة: RHEL/CentOS (bash-4.1.2-15.el6_5.2+)، Ubuntu (3.2-0ubuntu1.5+)، Debian (4.2+dfsg-0.1+deb7u3+)
2. التحقق من فعالية التصحيح باستخدام: env x='() { :;}; echo vulnerable' bash -c "echo test"
3. إعادة تشغيل جميع الخدمات التي تستخدم Bash بعد التصحيح (Apache، CGI، SSH، عملاء DHCP)

الضوابط التعويضية (في حالة تأخر التصحيح):
1. تعطيل نصوص CGI على خوادم الويب أو الترحيل إلى مفسرات غير Bash
2. تنفيذ قواعد WAF لحظر أنماط متغيرات البيئة الضارة: () { :;}
3. تقييد وصول SSH لنطاقات IP الموثوقة فقط
4. تعطيل تنفيذ نصوص Bash لعميل DHCP
5. مراقبة تنفيذ العمليات المشبوهة من خدمات الويب

قواعد الكشف:
1. تنبيهات SIEM لرؤوس HTTP التي تحتوي على: () { :;}; أو أنماط bash -c
2. مراقبة سجلات النظام للعمليات الفرعية غير المتوقعة من httpd/nginx
3. فحص حركة مرور الشبكة لتوقيعات استغلال shellshock
4. مراقبة سلامة الملفات على /bin/bash والملفات الثنائية للنظام
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5-1-1: Vulnerability Management and Patching 4-1-1: Network Security Controls 6-1-1: Security Monitoring and Analysis 5-2-1: Security Update Management 13-1-1: Incident Response Procedures
🔵 SAMA CSF
CCC-01: Cybersecurity Governance TVM-01: Vulnerability Assessment TVM-02: Patch Management MON-01: Continuous Monitoring IRP-01: Incident Response Planning
🟡 ISO 27001:2022
A.12.6.1: Management of Technical Vulnerabilities A.12.2.1: Controls Against Malware A.13.1.1: Network Controls A.16.1.1: Responsibilities and Procedures A.18.2.3: Technical Compliance Review
🟣 PCI DSS v4.0
6.2: Ensure all systems protected from known vulnerabilities 6.6: Web application protection 11.3: Penetration testing 10.6: Review logs and security events
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
GNU:GNU Bash
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS89.74%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-10-23
Published 2025-10-02
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.5
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited
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