PyPi: Salt

CVE-2021-31607

Safety vulnerability ID: 41925

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Apr 23, 2021 Updated at Apr 30, 2024
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Advisory

Salt 3002.7 includes a fix for CVE-2021-31607: 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).
https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/

Affected package

salt

Latest version: 3007.0

Portable, distributed, remote execution and configuration management system

Affected versions

Fixed versions

Vulnerability changelog

========================

Version 3001.8 is a bug fix release for :ref:`3001 <release-3001>`.


Fixed
-----

- Verify the owner of an existing config before trusting it during install. If the owner cannot be verified, back it up and use defaults. (CVE-2021-22004)


Security
--------

- Fix the CVE-2021-31607 vulnerability
Additionally, an audit and a tool was put in place, ``bandit``, to address similar issues througout the code base, and prevent them. (CVE-2021-31607)
- Ensure that sourced file is cached using its hash name (cve-2021-21996)

Resources

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Severity Details

CVSS Base Score

HIGH 7.8

CVSS v3 Details

HIGH 7.8
Attack Vector (AV)
LOCAL
Attack Complexity (AC)
LOW
Privileges Required (PR)
LOW
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
HIGH
Integrity Impact (I)
HIGH
Availability Availability (A)
HIGH

CVSS v2 Details

MEDIUM 4.6
Access Vector (AV)
LOCAL
Access Complexity (AC)
LOW
Authentication (Au)
NONE
Confidentiality Impact (C)
PARTIAL
Integrity Impact (I)
PARTIAL
Availability Impact (A)
PARTIAL