SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.
SERVER-WEBAPP Netgear R8500 multiple parameters command injection attempt
This rule specifically looks for the injection of commands to the Netgear R8500 series' sysNewPasswd= and sysConfirmPasswd= parameters. This will stop those attempts.
This rule will alert when an attempt to perform a command injection attack against a Netgear device.
Public information/Proof of Concept available
No known false positives
Cisco Talos Intelligence Group
No rule groups
Command Injection attacks target applications that allow unsafe user-supplied input. Attackers transmit this input via forms, cookies, HTTP headers, etc. and exploit the applications permissions to execute system commands without injecting code.
CVE-2022-27946NETGEAR R8500 220.127.116.11 devices allow remote authenticated users to execute arbitrary commands (such as telnetd) via shell metacharacters in the sysNewPasswd and sysConfirmPasswd parameters to admin_account.cgi.
Tactic: Initial Access
Technique: Exploit Public-Facing Application
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org