Check Point Advisories

LibreOffice WEBSERVICE Information Disclosure (CVE-2018-6871)

Check Point Reference: CPAI-2019-0231
Date Published: 21 Feb 2019
Severity: Critical
Last Updated: Monday 21 November, 2022
Source: LibreOffice
Industry Reference:CVE-2018-6871
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? LibreOffice LibreOffice prior to 5.4.5
LibreOffice LibreOffice prior to 6.0.1
Vulnerability Description An information disclosure vulnerability exists in LibreOffice. The vulnerability is due to improper validation of the WEBSERVICE() function argument. A remote, unauthenticated attacker can exploit this vulnerability by enticing a user to open a specially crafted office document.

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

  1. In the IPS tab, click Protections and find the LibreOffice WEBSERVICE Information Disclosure 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:  Content Protection Violation.
Attack Information:  LibreOffice WEBSERVICE Information Disclosure

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