Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Apache Struts2 Content-Type Remote Code Execution (CVE-2017-5638)

Check Point Reference: CPAI-2017-0197
Date Published: 7 Mar 2017
Severity: Critical
Last Updated: Monday 22 July, 2019
Industry Reference:CVE-2017-5638
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Struts 2.3.5 - Struts 2.3.31
Struts 2.5 - Struts 2.5.10
Vulnerability Description A remote code execution vulnerability exists in the Apache Struts2 using Jakarta multipart parser. An attacker could exploit this vulnerability by sending an invalid content-type as part of a file upload request. Successful exploitation could result in execution of arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Apache Struts2 Content-Type Remote Code Execution protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Apache Struts2 Content-Type Remote Code Execution

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