The installation process in LibreNMS before 2017-08-18 allows remote attackers to read arbitrary files, related to html/install.php.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Link | Tags |
---|---|
https://blog.librenms.org/2017/08/22/librenms-security-fix-during-the-installation-process/ | third party advisory |
https://github.com/librenms/librenms/commit/d3094fa6578b29dc34fb5a7d0bd6deab49ecc911 | third party advisory patch |
https://github.com/librenms/librenms/commit/7887b2e1c7158204ac69ca43beafce66e4d3a3b4 | third party advisory patch |
https://github.com/librenms/librenms/pull/7184 | third party advisory |