Check Point Advisories

Kubernetes Go Server Authentication Bypass (CVE-2019-16276)

Check Point Reference: CPAI-2019-1439
Date Published: 22 Oct 2019
Severity: High
Last Updated: 27 Oct 2019
Source:
Industry Reference:CVE-2019-16276
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? golang go 1.0
golang go 1.0.1
golang go 1.0.2
golang go 1.0.3
golang go 1.1
golang go 1.1 rc2
golang go 1.1 rc3
golang go 1.1.1
golang go 1.1.2
golang go 1.2
Vulnerability Description An Authentication Bypass vulnerability exists in Golang go server. Successful exploitation of this vulnerability could allow remote attackers to perform administrative actions without authentication.

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 Kubernetes Go Server Authentication Bypass (CVE-2019-16276) 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:  Kubernetes Go Server Authentication Bypass (CVE-2019-16276)

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