CVE-2022-4069: Cross-site Scripting in librenms/librenms
Summary
CVE-2022-4069: 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 platform for monitoring network devices, servers, and applications. The vulnerability identified as CVE-2022-4069 is a Cross-site Scripting (XSS) vulnerability in the GitHub repository librenms/librenms prior to version 22.10.0. This vulnerability allows an attacker to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access, data theft, or other malicious activities.
Vulnerability Detail
The Cross-site Scripting (XSS) vulnerability in librenms/librenms arises from improper input validation and sanitization of user-supplied data. Attackers can exploit this vulnerability by injecting malicious scripts into vulnerable web pages. When unsuspecting users visit these pages, the injected scripts are executed in their browsers, allowing the attacker to steal sensitive information, perform unauthorized actions, or manipulate the content of the page. This vulnerability has a CVSS score of 4.8, indicating a moderate severity level.
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
As a temporary workaround, users can implement input validation and sanitization measures on their own to mitigate the risk of XSS attacks. This can involve using security libraries or frameworks that provide built-in protection against XSS, such as HTML escaping or output encoding. Additionally, user input should be validated and sanitized before being displayed or processed in any way.
Conclusion
The CVE-2022-4069 vulnerability in librenms/librenms is a Cross-site Scripting (XSS) vulnerability that can be exploited by injecting malicious scripts into vulnerable web pages. Upgrading to version 22.10.0 or later of librenms/librenms is the recommended solution to fix this vulnerability. In the meantime, users can implement input validation and sanitization measures as a temporary workaround. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for librenms/librenms →
FAQ
Cross-site Scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by users. These scripts can be used to steal sensitive information, perform unauthorized actions, or manipulate the content of the page.
The CVE-2022-4069 vulnerability can be exploited by injecting malicious scripts into vulnerable web pages. When unsuspecting users visit these pages, the injected scripts are executed in their browsers, allowing the attacker to carry out various malicious activities.
The impact of the CVE-2022-4069 vulnerability can be significant. Attackers can use it to steal sensitive information, such as login credentials or personal data, perform unauthorized actions on behalf of the user, or manipulate the content of the affected web pages.
Yes, a fix is available for the CVE-2022-4069 vulnerability. Users should upgrade to version 22.10.0 or later of librenms/librenms to address the issue and ensure the security of their LibreNMS installations.
While waiting to apply the official fix, users can implement input validation and sanitization measures to mitigate the risk of XSS attacks. This involves using security libraries or frameworks that provide built-in protection against XSS and validating/sanitizing user input before displaying or processing it.
References
Related vulnerabilities
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