SID 1:57836

Report a false positive

Rule Category

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

Alert Message

SERVER-WEBAPP Nagios XI command injection attempt

Rule Explanation

This rule looks for command injection indicators against the affected vulnerable endpoint and plugin_output_len HTTP client body parameter affecting Nagios XI 5.7.5

What To Look For

This rule will alert when there's an attempt to exploit CVE-2021-25296 and execute code on Nagios XI 5.7.5

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2021-25296 CVE-2021-25297 CVE-2021-25298

Additional Links

packetstormsecurity.com/files/161561/Nagios-XI 5.7.5-5.7.5-Remote-Code-Execution.html
packetstormsecurity.com/files/161561/Nagios-XI%205.7.5-5.7.5-Remote-Code-Execution.html

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-2021-25296
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CVE-2021-25297
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CVE-2021-25298
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MITRE ATT&CK Framework

Tactic: Execution

Technique: Execution through API

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