SID 1:54797

Report a false positive

Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP Zeroshell Linux Router command injection attempt

Rule Explanation

This rule will look for any injected characters that represent a new line or "\n"or "%0A" along with linux commands in order to be executed as root and to take control of the device.

What To Look For

This rule will trigger when there's an attempt to perform a remote code execution via injected commands to the vulnerable parameter "type" to the URI "/cgi-bin/kerbynet" of the Zeroshell Linux Router

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2019-12725

Additional Links

tarlogic.com/advisories/zeroshell-rce-root.txt

Rule Vulnerability

Command Injection

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 Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2019-12725
 Loading description

MITRE ATT&CK Framework

Tactic: Execution

Technique: Scripting

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org