Check Point Advisories

SaltStack Salt Method Directory Traversal (CVE-2021-25282)

Check Point Reference: CPAI-2021-0253
Date Published: 25 Apr 2021
Severity: Critical
Last Updated: 25 Apr 2021
Source:
Industry Reference:CVE-2021-25282
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Salt
Vulnerability Description A directory traversal vulnerability exists in the WheelClient for Salt API, a component of SaltStack Salt. The vulnerability is due to improper validation of user-supplied in the pillar_roots.write method.

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 SaltStack Salt Method Directory Traversal (CVE-2021-25282) 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:  SaltStack Salt Method Directory Traversal (CVE-2021-25282)

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