Check Point Advisories

Red Hat librelp Stack Buffer Overflow (CVE-2018-1000140)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1288
Date Published:	18 Dec 2018
Severity:	High
Last Updated:	Thursday 17 January, 2019
Source:
Industry Reference:	CVE-2018-1000140
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	librelp
Vulnerability Description	A stack based buffer overflow exists in Red Hat librelp. This vulnerability is due to incorrect sanitisation of x509 certificates from a peer. Successful exploitation may result in remote code execution.

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 Red Hat librelp Stack Buffer Overflow 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: Red Hat librelp Stack Buffer Overflow