Check Point Advisories

Samba Out-Of-Bounds Read and Write (CVE-2021-44142)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1567
Date Published:	29 Jan 2023
Severity:	High
Last Updated:	Wednesday 07 August, 2024
Source:
Industry Reference:	CVE-2021-44142
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Samba 4.15.x prior to 4.15.5 Samba 4.14.x prior to 4.14.12 Samba 4.13.x prior to 4.13.17
Vulnerability Description	An out-of-bounds read and write vulnerability exists in Samba. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code 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 Samba Out-Of-Bounds Read and Write (CVE-2021-44142) 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: Windows SMB Protection Violation.
Attack Information: Samba Out-Of-Bounds Read and Write (CVE-2021-44142)