Check Point Advisories

Apache Struts2 REST Plugin XStream DoS (CVE-2017-9793) - Ver2

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0784
Date Published:	11 Apr 2018
Severity:	Medium
Last Updated:	Tuesday 31 July, 2018
Source:
Industry Reference:	CVE-2017-9793
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apache Software Foundation Struts 2.3.14 Apache Software Foundation Struts 2.3.12 Apache Software Foundation Struts 2.3.7 Apache Software Foundation Struts 2.3.8 Apache Software Foundation Struts 2.3.14.1 Apache Software Foundation Struts 2.3.14.2 Apache Software Foundation Struts 2.3.14.3 Apache Software Foundation Struts 2.3.15 Apache Software Foundation Struts 2.3.15.1 Apache Software Foundation Struts 2.3.15.3 Apache Software Foundation Struts 2.3.16 Apache Software Foundation Struts 2.3.15.2 Apache Software Foundation Struts 2.3.16.1 Apache Software Foundation Struts 2.3.16.2 Apache Software Foundation Struts 2.3.20 Apache Software Foundation Struts 2.3.16.3 Apache Software Foundation Struts 2.3.28 Apache Software Foundation Struts 2.3.20.1 Apache Struts 2.3.28.1 Apache Struts 2.3.24.3 Apache Struts 2.5 Beta 2 Apache Struts 2.5 Beta 3 Apache Struts 2.5 Apache Struts 2.5 Beta 1 Apache Software Foundation Struts 2.3.29 Apache Software Foundation Struts 2.3.30 Apache Software Foundation Struts 2.3.31 Apache Software Foundation Struts 2.5.10 Apache Software Foundation Struts 2.3.32 Apache Software Foundation Struts 2.5.6 Apache Software Foundation Struts 2.5.5 Apache Software Foundation Struts 2.5.8 Apache Software Foundation Struts 2.5.9 Apache Software Foundation Struts 2.5.3 Apache Software Foundation Struts 2.3.9 Apache Software Foundation Struts 2.5.7 Apache Software Foundation Struts 2.5.2 Apache Software Foundation Struts 2.5.1 Apache Software Foundation Struts 2.5.4 Apache Software Foundation Struts 2.3.17 Apache Software Foundation Struts 2.3.19 Apache Software Foundation Struts 2.3.13 Apache Software Foundation Struts 2.3.11 Apache Software Foundation Struts 2.3.10 Apache Software Foundation Struts 2.3.24.2 Apache Software Foundation Struts 2.3.20.2 Apache Software Foundation Struts 2.3.27 Apache Software Foundation Struts 2.3.23 Apache Software Foundation Struts 2.3.26 Apache Software Foundation Struts 2.3.25 Apache Software Foundation Struts 2.3.22 Apache Software Foundation Struts 2.3.21 Apache Struts 2.5.10.1 Xstream Apache Software Foundation Struts 2.3.33 Apache Struts 2.5.12
Vulnerability Description	A vulnerability exists in Apache. Successful exploitation of this vulnerability could allow a remote attacker to damage users 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

In the IPS tab, click Protections and find the Apache Struts2 REST Plugin XStream DoS (CVE-2017-9793) - Ver2 protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Apache Server Protection Violation.
Attack Information: Apache Struts2 REST Plugin XStream DoS (CVE-2017-9793) - Ver2