Check Point Advisories

SaltStack Salt Directory Traversal (CVE-2021-25281; CVE-2021-25282)

Check Point Reference: CPAI-2021-0253
Date Published: 25 Apr 2021
Severity: Critical
Last Updated: Wednesday 22 November, 2023
Industry Reference:CVE-2021-25281
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? SaltStack Salt Up to (excluding) 2015.8.10
SaltStack Salt From (including) 2015.8.11 Up to (excluding) 2015.8.13
SaltStack Salt From (including) 2016.3.0 Up to (excluding) 2016.3.4
SaltStack Salt From (including) 2016.3.5 Up to (excluding) 2016.3.6
SaltStack Salt From (including) 2016.3.7 Up to (excluding) 2016.3.8
SaltStack Salt From (including) 2016.3.9 Up to (excluding) 2016.11.3
SaltStack Salt From (including) 2016.11.4 Up to (excluding) 2016.11.5
SaltStack Salt From (including) 2016.11.7 Up to (excluding) 2016.11.10
SaltStack Salt From (including) 2017.5.0 Up to (excluding) 2017.7.8
SaltStack Salt From (including) 2018.2.0 Up to (excluding) 2018.3.5
SaltStack Salt From (including) 2019.2.0 Up to (excluding) 2019.2.5
SaltStack Salt From (including) 2019.2.6 Up to (excluding) 2019.2.8
SaltStack Salt From (including) 3000 Up to (excluding) 3000.6
SaltStack Salt From (including) 3001 Up to (excluding) 3001.4
SaltStack Salt From (including) 3002 Up to (excluding) 3002.5
Vulnerability Description A directory traversal vulnerability exists in SaltStack Salt. Successful exploitation of this vulnerability could allow an attacker to obtain sensitive information from the affected server.

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 SaltStack Salt Directory Traversal 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 Directory Traversal

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