CVE-2020-28243: Command Injection

Published Feb 25, 2021
·
Updated

An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion in a non-blacklisted directory.

Other sources

An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion in a non-blacklisted directory.

Local Privilege Escalation in the Minion

— Salt Project

Affected Software

32 affected componentsFixes available
debian/salt
pip/salt>=3002<3002.3
3002.3
pip/salt>=3001<3001.5
3001.5
pip/salt>=3000<3000.7
3000.7
pip/salt>=2019.2.0<2019.2.8
2019.2.8
pip/salt>=2018.2.0<=2018.3.5
pip/salt>=2017.5.0<2017.7.8
2017.7.8
pip/salt>=2016.11.7<2016.11.10
2016.11.10
pip/salt>=2016.3.0<2016.11.5
2016.11.5
pip/salt<2015.8.13
2015.8.13
SaltStack Salt<3002.2, <3001.4, <3000.6, <2019.2.8, <2019.2.5, <2018.3.5, <2017.7.8, <2016.11.10, <2016.11.6, <2016.11.5, <2016.11.3, <2016.3.8, <2016.3.6, <2016.3.4, <2015.8.13, <2015.8.10, <3002.5, <3001.6, <3000.8, <3002.5, <3001.6, <3000.8
3002.23001.43000.62019.2.82019.2.52018.3.52017.7.82016.11.102016.11.62016.11.52016.11.32016.3.82016.3.62016.3.42015.8.132015.8.103002.53001.63000.83002.53001.63000.8
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>=2016.3.9<2016.11.3
SaltStack Salt>=2016.11.4<2016.11.5
SaltStack Salt>=2016.11.7<2016.11.10
SaltStack Salt>=2017.5.0<2017.7.8
SaltStack Salt>=2018.2.0<=2018.3.5
SaltStack Salt>=2019.2.0<2019.2.5
SaltStack Salt>=2019.2.6<2019.2.8
SaltStack Salt>=3000<3000.6
SaltStack Salt>=3001<3001.4
SaltStack Salt>=3002<3002.5
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 3002.3
  2. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 3001.5
  3. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 3000.7
  4. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 2019.2.8
  5. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 2017.7.8
  6. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 2016.11.10
  7. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 2016.11.5
  8. Upgrade

    Upgrade pip/salt to a version that resolves this vulnerability.

    Fixed in 2015.8.13
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3002.2Fixed in 3001.4Fixed in 3000.6Fixed in 2019.2.8Fixed in 2019.2.5Fixed in 2018.3.5Fixed in 2017.7.8Fixed in 2016.11.10Fixed in 2016.11.6Fixed in 2016.11.5Fixed in 2016.11.3Fixed in 2016.3.8Fixed in 2016.3.6Fixed in 2016.3.4Fixed in 2015.8.13Fixed in 2015.8.10Fixed in 3002.5Fixed in 3001.6Fixed in 3000.8Fixed in 3002.5Fixed in 3001.6Fixed in 3000.8
  10. Upgrade

    Upgrade SaltStack Salt to a version that resolves this vulnerability.

    Fixed in 3002.5

Event History

Dec 22, 2020
Exploit Published
via GitHub·07:35 PM
Feb 25, 2021
CVE Published
via Salt Project·12:00 AM
Data Sourced
via Salt Project·12:00 AM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 27, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
02:36 PM
SeverityAffected Software
May 24, 2022
Advisory Published
via GitHub·05:43 PM

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2020-28243.

2

What is the severity of CVE-2020-28243?

CVE-2020-28243 has a severity of 7.8 (High).

3

How does the vulnerability in SaltStack Salt before 3002.5 manifest?

The vulnerability in SaltStack Salt before 3002.5 allows for local privilege escalation by any user able to create files on the minion in a non-blacklisted directory.

4

How can I fix the vulnerability in SaltStack Salt before 3002.5?

To fix the vulnerability in SaltStack Salt before 3002.5, update to version 3002.5 or later.

5

Where can I find more information about CVE-2020-28243?

More information about CVE-2020-28243 can be found at the following references: [link1], [link2], [link3].

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