CVE-2020-25592: Input Validation

Published Nov 6, 2020
·
Updated

In SaltStack Salt through 3002, salt-netapi improperly validates eauth credentials and tokens. A user can bypass authentication and invoke Salt SSH.

Other sources

In SaltStack the salt-netapi improperly validates eauth credentials and tokens. A user can bypass authentication and invoke Salt SSH.

GitHub

Properly validate eauth credentials and tokens along with their Access Control Lists – ACLs. Prior to this change, eauth was not properly validated when calling Salt SSH via the salt-api. Any value for “eauth” or “token” would allow a user to bypass authentication and make calls to Salt SSH.

Salt Project

Affected Software

27 affected componentsFixes available
debian/salt
pip/salt>=3002.0<3002.1
3002.1
pip/salt>=3001.0<3001.3
3001.3
pip/salt>=3000.0<3000.5
3000.5
pip/salt>=2019.2.0<2019.2.7
2019.2.7
pip/salt>=2018.2.0<2018.3.5
2018.3.5
pip/salt>=2017.5.0<2017.7.8
2017.7.8
pip/salt>=2016.11.0<2016.11.10
2016.11.10
pip/salt>=2016.3.0<2016.3.8
2016.3.8
pip/salt<2015.8.13
2015.8.13
SaltStack Salt<3002, <3001.1, 3001.2, <3000.3, 3000.4, <2019.2.5, 2019.2.6, <2018.3.5, <2017.7.4, 2017.7.8, <2016.11.3, 2016.11.6, 2016.11.10, <2016.3.4, 2016.3.6, 2016.3.8, <2015.8.10, 2015.8.13, <3002.x, <3001.x, <3000.x, <2019.x
30023001.1, 3001.23000.3, 3000.42019.2.5, 2019.2.62018.3.52017.7.4, 2017.7.82016.11.3, 2016.11.6, 2016.11.102016.3.4, 2016.3.6, 2016.3.82015.8.10, 2015.8.133002.x3001.x3000.x2019.x
SaltStack Salt<2015.8.10
SaltStack Salt>=2015.8.11<2015.8.13
SaltStack Salt>=2016.3.0<2016.3.4
SaltStack Salt>=2016.3.5<2016.3.6
SaltStack Salt>=2016.3.7<2016.3.8
SaltStack Salt>=2016.11.0<2016.11.3
SaltStack Salt>=2016.11.4<2016.11.6
SaltStack Salt>=2016.11.7<2016.11.10
SaltStack Salt>=2017.5.0<2017.7.4
SaltStack Salt>=2017.7.5<2017.7.8
SaltStack Salt>=2018.2.0<2018.3.5
SaltStack Salt>=2019.2.0<2019.2.5
SaltStack Salt>=3000.0<3000.3
SaltStack Salt=3001
Debian Debian Linux=9.0
Debian Debian Linux=10.0

Remediation

Mitigation

Install the patch provided below and restart your Salt-API

Event History

Nov 6, 2020
CVE Published
via MITRE·07:31 AM
Data Sourced
via MITRE·07:31 AM
Description
May 24, 2022
Advisory Published
via GitHub·05:33 PM
Aug 8, 2024
Data Sourced
via Launchpad·08:23 PM
Description
Sep 13, 2024
Data Sourced
via Ubuntu·08:28 PM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-25592?

CVE-2020-25592 is a vulnerability in SaltStack Salt that allows an attacker to bypass authentication and invoke Salt SSH.

2

What is the severity of CVE-2020-25592?

CVE-2020-25592 has a severity rating of 9.8 / 10, which is considered critical.

3

Which versions of SaltStack Salt are affected by CVE-2020-25592?

SaltStack Salt versions 2018.3.4+dfsg1-6+deb10u3, 3002.6+dfsg1-4+deb11u1, and 3004.1+dfsg-2.2 are affected by CVE-2020-25592.

4

How can an attacker exploit CVE-2020-25592?

An attacker can exploit CVE-2020-25592 by bypassing authentication and invoking Salt SSH.

5

Are there any remedies available for CVE-2020-25592?

Yes, SaltStack has released fixes for CVE-2020-25592. Please refer to the official SaltStack documentation for more information on how to apply the fixes.

Contact

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