SID 1:39191

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

Apache Struts instances with Dynamic Method Invocation is enabled coukld allow remote attackers to execute arbitrary code via vectors related to an ! (exclamation mark) operator to the REST Plugin.

What To Look For

This rule looks for HTTP network traffic that attempts to exploit an Apache Struts vulnerability related to the ! (exclamation mark) operator.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2016-3087 CVE-2017-12611 CVE-2018-11776

Additional Links

cwiki.apache.org/confluence/display/WW/S2-057
struts.apache.org/docs/s2-033.html
struts.apache.org/docs/s2-053.html

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2016-3087
 Loading description
CVE-2017-12611
 Loading description
CVE-2018-11776
 Loading description

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

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