UBUNTU-CVE-2020-28243

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Source
https://ubuntu.com/security/CVE-2020-28243
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28243.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-28243
Upstream
Downstream
Related
Published
2021-02-27T05:15:00Z
Modified
2026-04-02T18:29:07.793725Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:18.04:LTS / salt

Package

Name
salt
Purl
pkg:deb/ubuntu/salt@2017.7.4+dfsg1-1ubuntu18.04.2+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2017.7.4+dfsg1-1ubuntu18.04.2+esm1

Affected versions

2016.*
2016.11.5+ds-1
2016.11.8+dfsg1-1
2017.*
2017.7.2+dfsg1-2ubuntu1
2017.7.3+dfsg1-1
2017.7.4+dfsg1-1
2017.7.4+dfsg1-1ubuntu18.04.1
2017.7.4+dfsg1-1ubuntu18.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "salt-api",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-cloud",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-common",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-master",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-minion",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-proxy",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-ssh",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        },
        {
            "binary_name": "salt-syndic",
            "binary_version": "2017.7.4+dfsg1-1ubuntu18.04.2+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28243.json"