Check Point Advisories

Exim Heap-based Buffer Overflow (CVE-2019-16928)

Check Point Reference: CPAI-2019-2757
Date Published: 23 Jan 2023
Severity: Critical
Last Updated: Monday 23 January, 2023
Source:
Industry Reference:CVE-2019-16928
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Exim Project Exim 4.92.1
Exim Project Exim 4.92.2
Exim Project Exim 4.92
Vulnerability Description A heap-based buffer overflow vulnerability exists in Exim. Successful exploitation could result in the execution of arbitrary code or a denial of service condition on the target server.

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 Exim Heap-based Buffer Overflow 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:  Exim Heap-based Buffer Overflow

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