CVE-2022-3516: Cross-site Scripting in librenms/librenms
Summary
CVE-2022-3516: Cross-site Scripting in librenms/librenms. Affects librenms/librenms versions < 22.10.0. Fixed in 22.10.0. How to fix ↓
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Background
LibreNMS is an open-source network monitoring and management tool. It provides a comprehensive set of features for monitoring network devices, collecting performance data, and generating alerts. The vulnerability identified as CVE-2022-3516 is a Cross-site Scripting (XSS) vulnerability that existed in the GitHub repository of librenms/librenms prior to version 22.10.0.
Vulnerability Detail
The Cross-site Scripting (XSS) vulnerability allowed an attacker to inject malicious scripts into the web application, which would then be executed by the victim's browser. This type of vulnerability can lead to various attacks, such as session hijacking, defacement of web pages, or stealing sensitive information. The vulnerability was rated as moderate severity with a CVSS score of 6.1.
How To Fix
Minimum fixed version
22.10.0
This is the first release that contains the fix.
composer require librenms/librenms:22.10.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. However, users can mitigate the risk by ensuring they are using the latest version of librenms/librenms and by implementing additional security measures, such as Content Security Policy (CSP) and input validation.
Conclusion
The Cross-site Scripting vulnerability in librenms/librenms prior to version 22.10.0 could allow attackers to execute malicious scripts in the context of a victim's browser. It is recommended to upgrade to the latest version and implement additional security measures to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to unauthorized access, data theft, or defacement of web pages.
You can use Vulert Playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities using just the composer.lock file.
There are no known exploits for this vulnerability at the time of this report. However, it is always recommended to patch vulnerabilities as soon as possible to prevent any potential attacks.
Yes, a fix is available in version 22.10.0 of librenms/librenms. Users are advised to upgrade to this version or later to mitigate the vulnerability.
In addition to upgrading to the latest version of librenms/librenms, you can implement Content Security Policy (CSP) to restrict the execution of scripts from unauthorized sources. It is also important to validate and sanitize user input to prevent XSS attacks.
References
Related vulnerabilities
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