Arbitrary Command Injection Affecting salt package, versions <3003-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
5.92% (93rd percentile)

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  • Snyk IDSNYK-ALPINE322-SALT-10283203
  • published31 May 2025
  • disclosed23 Apr 2021

Introduced: 23 Apr 2021

CVE-2021-31607  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Alpine:3.22 salt to version 3003-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream salt package and not the salt package as distributed by Alpine. See How to fix? for Alpine:3.22 relevant fixed versions and status.

In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).

CVSS Base Scores

version 3.1