SID 1:41923

Report a false positive

Rule Category

SERVER-APACHE -- Snort has detected traffic exploiting vulnerabilities in Apache servers.

Alert Message

SERVER-APACHE Apache Struts remote code execution attempt

Rule Explanation

In Apache Struts 2.0.1 through 2.3.33 and 2.5 through 2.5.10, using an unintentional expression in a Freemarker tag instead of string literals can lead to a RCE attack. Impact: CVSS base score 9.8 CVSS impact score 5.9 CVSS exploitability score 3.9 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH Details: Ease of Attack:

What To Look For

This rule will trigger with any attempt to perform a command injection or code execution inside of Apache Struts

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

Rule Groups

No rule groups

CVE

CVE-2017-12611 CVE-2017-5638 CVE-2017-9791 CVE-2019-0230

Additional Links

struts.apache.org/docs/s2-045.html
struts.apache.org/docs/s2-048.html
struts.apache.org/docs/s2-053.html
cwiki.apache.org/confluence/display/WW/S2-059

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-2017-12611
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CVE-2017-5638
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CVE-2017-9791
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CVE-2019-0230
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MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Web Shell

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