Check Point Advisories

Atlassian Jira Server and Data Center Issue Cross-Site Scripting (CVE-2021-43942)

Check Point Reference: CPAI-2021-1719
Date Published: 4 May 2023
Severity: High
Last Updated: Thursday 04 May, 2023
Source:
Industry Reference:CVE-2021-43942
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? JIRA
Vulnerability Description A reflected cross-site scripting vulnerability for Atlassian Jira Server and Data Center exists. This vulnerability is due to improper input validation of error messages returned when submitting feedback through an issue collector based on the Custom template.

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

  1. In the IPS tab, click Protections and find the Atlassian Jira Server and Data Center Issue Cross-Site Scripting (CVE-2021-43942) 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:  ICMP Protocol Violation.
Attack Information:  Atlassian Jira Server and Data Center Issue Cross-Site Scripting (CVE-2021-43942)

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