CVE-2017-16759: LibreNMS Arbitrary File Read
Summary
CVE-2017-16759: LibreNMS Arbitrary File Read. Affects librenms/librenms versions < 2017-08-18. Fixed in 2017-08-18. How to fix ↓
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Background
LibreNMS is an open-source network monitoring and management system. It provides a comprehensive set of features for monitoring network devices, collecting performance data, and generating alerts. The vulnerability in question allows remote attackers to read arbitrary files through the installation process in LibreNMS before 2017-08-18. This vulnerability poses a moderate risk to the security of the system.
Vulnerability Detail
The vulnerability arises from a flaw in the installation process of LibreNMS. Remote attackers can exploit this flaw to gain unauthorized access to arbitrary files on the system. By leveraging the html/install.php script, attackers can read sensitive information from files that should not be accessible. This could include configuration files, database credentials, or other sensitive data. The impact of this vulnerability depends on the nature of the files that can be accessed and the privileges of the compromised system. It is important to note that this vulnerability was fixed in the LibreNMS release on 2017-08-18.
How To Fix
Minimum fixed version
2017-08-18
This is the first release that contains the fix.
composer require librenms/librenms:2017-08-18Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround available for this vulnerability. The recommended course of action is to update to the latest version of LibreNMS as mentioned in the 'how_to_fix' section.
Conclusion
The vulnerability in LibreNMS before 2017-08-18 allows remote attackers to read arbitrary files, potentially exposing sensitive information. It is crucial to update to the latest version of LibreNMS to mitigate this vulnerability. Regularly updating and patching the software is essential to ensure the security of the system. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
LibreNMS is an open-source network monitoring and management system that provides comprehensive features for monitoring network devices.
The vulnerability allows remote attackers to read arbitrary files on the system, potentially exposing sensitive information such as configuration files or database credentials.
Yes, this vulnerability was fixed in the LibreNMS release on 2017-08-18.
To fix this vulnerability, it is recommended to update to the latest version of LibreNMS, which includes the necessary security patches.
There are no specific workarounds available for this vulnerability. Updating to the latest version of LibreNMS is the recommended solution.
References
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