Check Point Advisories

cURL libcurl Heap Buffer Overflow (CVE-2023-38545)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0916
Date Published:	12 Oct 2023
Severity:	Critical
Last Updated:	Monday 04 December, 2023
Source:
Industry Reference:	CVE-2023-38545
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	cURL libcurl 7.69.0 to and including 8.3.0
Vulnerability Description	A heap-based buffer overflow vulnerability exists in cURL libcurl. Successful exploitation of this vulnerability could result in the execution of arbitrary code in the security context of the target user.

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 cURL libcurl Heap Buffer Overflow (CVE-2023-38545) 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 Client Enforcement Violation.
Attack Information: cURL libcurl Heap Buffer Overflow (CVE-2023-38545)