CVE-2018-16461: Command Injection in libnmap
Summary
CVE-2018-16461: Command Injection in libnmap. Affects libnmap versions < 0.4.16. Fixed in 0.4.16. How to fix ↓
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Background
libnmap is an npm package that provides a JavaScript interface for the Nmap security scanner. It allows developers to perform network exploration and security auditing tasks programmatically. However, versions of libnmap prior to 0.4.16 are vulnerable to command injection.
Vulnerability Detail
The vulnerability in libnmap arises from improper input sanitization. An attacker can exploit this by injecting malicious commands into the 'range' parameter, which is used to specify the target IP addresses or hostnames for scanning. By crafting a specially crafted input, an attacker can execute arbitrary commands on the system running libnmap. This can lead to unauthorized access, data leakage, or even complete compromise of the system.
How To Fix
Minimum fixed version
0.4.16
This is the first release that contains the fix.
npm install libnmap@0.4.16Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If updating libnmap is not immediately feasible, a temporary workaround can be implemented by manually sanitizing the input provided to the 'range' parameter. This can be done by validating and filtering the input to ensure it only contains valid IP addresses or hostnames, and does not allow any special characters or command injection payloads.
Conclusion
In conclusion, libnmap versions prior to 0.4.16 are vulnerable to command injection. It is crucial to update to the latest version or apply the provided workaround to mitigate the risk. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libnmap →
FAQ
libnmap is an npm package that provides a JavaScript interface for the Nmap security scanner. It allows developers to perform network exploration and security auditing tasks programmatically.
Command injection is a vulnerability that allows an attacker to execute arbitrary commands on a system by injecting malicious input into a command execution context.
Exploiting this vulnerability can lead to unauthorized access, data leakage, or complete compromise of the system running libnmap.
To fix this vulnerability, update libnmap to version 0.4.16 or later.
If updating libnmap is not immediately feasible, you can manually sanitize the input provided to the 'range' parameter to mitigate the risk.
