Description
This module exploits a command injection vulnerability in the Collectd graphing functionality in LibreNMS.
The `to` and `from` parameters used to define the range for a graph are sanitized using the `mysqli_escape_real_string()` function, which permits backticks. These parameters are used as part of a shell command that gets executed via the `passthru()` function, which can result in code execution.
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/linux/http/librenms_collectd_cmd_injectmsf undefined(librenms_collectd_cmd_inject) > show actions ...actions...msf undefined(librenms_collectd_cmd_inject) > set ACTION < action-name >msf undefined(librenms_collectd_cmd_inject) > show options ...show and set options...msf undefined(librenms_collectd_cmd_inject) > runPrioritise with Active Threat Intelligence
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