Check Point Advisories

Boa Directory Traversal (CVE-2017-9833)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1607
Date Published:	24 Jan 2023
Severity:	High
Last Updated:	Tuesday 24 January, 2023
Source:
Industry Reference:	CVE-2017-9833
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Boa version 0.94.14rc21
Vulnerability Description	A directory traversal vulnerability exists in Boa. Successful exploitation of this vulnerability could allow an attacker to access arbitrary files 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Boa Directory Traversal (CVE-2017-9833) 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: Web Server Enforcement Violation.
Attack Information: Boa Directory Traversal (CVE-2017-9833)