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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: rConfig suffers from **Remote Code Execution (RCE)** via Command Injection. <br>💥 **Consequences**: Attackers can execute arbitrary system commands, leading to full server compromise and data theft.
Q2Root Cause? (CWE/Flaw)
🛡️ **Root Cause**: **CWE-78 (OS Command Injection)**. <br>🔍 **Flaw**: The `nodeId` parameter is **not escaped** before being passed directly to the `exec()` function. Unsafe input handling!
Q3Who is affected? (Versions/Components)
📦 **Affected**: **rConfig** (Open Source Network Configuration Management). <br>📉 **Version**: Versions **prior to 3.9.5**. If you are running an older build, you are at risk!
Q4What can hackers do? (Privileges/Data)
💀 **Attacker Capabilities**: Full **System Command Execution**. <br>🔓 **Privileges**: Can run commands with the privileges of the web server process.…
⚡ **Exploitation Threshold**: **LOW**. <br>🌐 **Access**: Requires a crafted **GET request**. No complex setup needed. If the endpoint is accessible, it’s game over.
Q6Is there a public Exp? (PoC/Wild Exploitation)
💣 **Public Exploit**: **YES**. <br>📂 **Source**: Exploit-DB ID **48241**. Active exploitation is possible and documented. Hackers are likely already using this.
Q7How to self-check? (Features/Scanning)
🔍 **Self-Check**: Scan for **rConfig** instances. <br>🧪 **Test**: Look for the `nodeId` parameter in GET requests. If it’s passed to `exec` without sanitization, you are vulnerable.…
✅ **Official Fix**: **YES**. <br>🔧 **Patch**: Upgrade to **rConfig 3.9.5** or later. The commit `3385f90` addresses the injection flaw. Check the GitHub commit for details.