Check Point Advisories

Pulse Secure Buffer Overflow (CVE-2019-11542)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-1149
Date Published:	15 Sep 2019
Severity:	High
Last Updated:	Sunday 07 January, 2024
Source:
Industry Reference:	CVE-2019-11542
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Pulse Connect Secure 9.0R1 - 9.0R3.3 Pulse Connect Secure 8.3R1 - 8.3R7 Pulse Connect Secure 8.2R1 - 8.2R12 Pulse Connect Secure 8.1R1 - 8.1R15 Pulse Policy Secure 9.0R1 - 9.0R3.3 Pulse Policy Secure 5.4R1 - 5.4R7 Pulse Policy Secure 5.3R1 - 5.3R12 Pulse Policy Secure 5.2R1 - 5.2R12 Pulse Policy Secure 5.1R1 - 5.1R15
Vulnerability Description	A buffer overflow vulnerability exists in Pulse Secure. Successful exploitation of this vulnerability could result in a denial of service or execution of arbitrary code into the effected 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 Pulse Secure Buffer Overflow (CVE-2019-11542) 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: SSL Enforcement Violation.
Attack Information: Pulse Secure Buffer Overflow (CVE-2019-11542)