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CVE-2018-4019 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A Command Injection flaw in the `powerd_normal_mode` parameter. <br>💥 **Consequences**: Attackers can execute **arbitrary commands** on the system via the admin web interface.…

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Improper validation of the `powerd_normal_mode` input parameter. <br>⚠️ **Flaw**: The system fails to sanitize user input before passing it to system commands, allowing code injection.…

Q3Who is affected? (Versions/Components)

📦 **Affected Vendor**: Netgate. <br>💻 **Product**: Netgate pfSense CE. <br>📌 **Version**: Specifically **2.4.4-RELEASE** and likely earlier versions based on the component.

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: High. Since it targets the **Admin Web Interface**, successful exploitation likely grants **root/system-level access**.…

Q5Is exploitation threshold high? (Auth/Config)

🔐 **Auth Required**: **YES**. The vulnerability requires access to the **management Web interface**. <br>⚙️ **Config**: Attackers must send a crafted **POST request**.…

Q6Is there a public Exp? (PoC/Wild Exploitation)

📢 **Public Exploit**: The provided data lists **no specific PoCs** (`pocs: []`). <br>🌍 **Context**: However, Talos Intelligence reported it (TALOS-2018-0690), suggesting awareness.…

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for pfSense version **2.4.4-RELEASE**. <br>🕵️ **Detection**: Monitor admin logs for suspicious POST requests targeting `powerd_normal_mode` or unusual system command executions via the web UI.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: The data does not list a specific patch link.…

Q9What if no patch? (Workaround)

🚧 **Workaround**: If patching is delayed, **restrict access** to the admin web interface. <br>🔒 **Mitigation**: Use **IP whitelisting** (ACLs) to allow only trusted management IPs.…

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>⏳ **Priority**: Command Injection in firewall management interfaces is critical. Even with auth requirements, the impact is severe.…