SB2021112301 - Multiple vulnerabilities in SaltStack Salt

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Main Vulnerability Database SB2021112301

SB2021112301 - Multiple vulnerabilities in SaltStack Salt

Published: November 23, 2021

Security Bulletin ID SB2021112301
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2021-21996)

CWE-ID: -

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the way Salt download URL. A local user with control over the file source URL and its source_hash URL can gain full file system access as root on a salt minion.


2) Improper Authentication (CVE-ID: CVE-2021-22004)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to the salt minion installer will accept and use a minion config file at C:\salt\conf if that file is in place before the installer is run. A local user with ability to create files in the said directory can subvert the proper behavior of the given minion software.


Remediation

Install update from vendor's website.

References