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Check Point Advisories

Realtek Jungle SDK Buffer Overflow (CVE-2021-35392; CVE-2021-35393; CVE-2021-35395)

Check Point Reference: CPAI-2021-0538
Date Published: 31 Aug 2021
Severity: Critical
Last Updated: 31 Aug 2021
Industry Reference:CVE-2021-35392
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Realtek Jungle SDK version v2.x up to v3.4.14B
Vulnerability Description A buffer overflow vulnerability exists in Realtek Jungle SDK. Successful exploitation of this vulnerability could result in a denial of service or execution of arbitrary code into 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Realtek Jungle SDK Buffer Overflow (CVE-2021-35392) 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:  Realtek Jungle SDK Buffer Overflow (CVE-2021-35392)

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