CVE-2019-10669 Information

Description

An issue was discovered in LibreNMS through 1.47. There is a command injection vulnerability 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 ` (backtick) allowing an attacker to inject commands into the variable $rrd_cmd which gets executed via passthru().

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/154391/LibreNMS-Collectd-Command-Injection.html https://www.darkmatter.ae/xen1thlabs/librenms-command-injection-vulnerability-xl-19-017/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2