Check Point Advisories

Jenkins CI Server Policy Bypass (CVE-2018-1999001)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1128
Date Published:	28 Nov 2018
Severity:	High
Last Updated:	Wednesday 12 December, 2018
Source:
Industry Reference:	CVE-2018-1999001
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Jenkins
Vulnerability Description	A policy bypass vulnerability exists in Jenkins CI Server. This vulnerability is due to insufficient validation of login requests. A successful attack could lead to policy bypass.

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

In the IPS tab, click Protections and find the Jenkins CI Server Policy Bypass 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 Server Enforcement Violation.
Attack Information: Jenkins CI Server Policy Bypass