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Fedora 33 : salt (2021-93a7c8b7c6)

high Nessus Plugin ID 153200

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Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-93a7c8b7c6 advisory.

 - An issue was discovered in SaltStack Salt before 3003.3. A user who has control of the source, and source_hash URLs can gain full file system access as root on a salt minion. (CVE-2021-21996)

 - An issue was discovered in SaltStack Salt before 3003.3. 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. This allows for a malicious actor to subvert the proper behaviour of the given minion software. (CVE-2021-22004)

 - 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). (CVE-2021-31607)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected salt package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2021-93a7c8b7c6

Plugin Details

Severity: High

ID: 153200

File Name: fedora_2021-93a7c8b7c6.nasl

Version: 1.8

Type: local

Agent: unix

Published: 9/10/2021

Updated: 12/1/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2021-21996

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2021-31607

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:33, p-cpe:/a:fedoraproject:fedora:salt

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/9/2021

Vulnerability Publication Date: 4/23/2021

Reference Information

CVE: CVE-2021-21996, CVE-2021-22004, CVE-2021-31607

FEDORA: 2021-93a7c8b7c6

IAVA: 2021-A-0524-S