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- Snyk ID SNYK-PHP-LIBRENMSLIBRENMS-466431
- published 9 Sep 2019
- disclosed 9 Sep 2019
- credit Eldar Marcussen
How to fix?
librenms/librenms to version 1.50.1 or higher.
librenms/librenms is a fully featured network monitoring system that provides a wealth of features and device support.
Affected versions of this package are vulnerable to Command Injection. It is possible to inject arbitrary commands in
html/includes/graphs/device/collectd.inc.php where user supplied parameters are filtered with the
mysqli_escape_real_string function. This function is not the appropriate function to sanitize command arguments as it does not escape a number of command line syntax characters such as backticks, allowing an attacker to inject commands into the variable
$rrd_cmd, which gets executed via