Check Point Advisories

Apache Tapestry Information Disclosure (CVE-2021-30638)

Check Point Reference: CPAI-2021-0326
Date Published: 1 Jun 2021
Severity: High
Last Updated: 1 Jun 2021
Source:
Industry Reference:CVE-2021-30638
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Tapestry
Vulnerability Description An information disclosure vulnerability exists in Apache Tapestry. A URL manipulation via smuggled backslashes allows Java webapp files inside WEB-INF to be listed and downloaded.

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 Apache Tapestry Information Disclosure (CVE-2021-30638) 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:  Apache Server Protection Violation.
Attack Information:  Apache Tapestry Information Disclosure (CVE-2021-30638)

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