UBUNTU-CVE-2018-12021

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Source
https://ubuntu.com/security/CVE-2018-12021
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-12021.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-12021
Upstream
Downstream
Related
Published
2018-07-05T18:29:00Z
Modified
2025-09-08T16:44:53Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.

References

Affected packages

Ubuntu:Pro:18.04:LTS / singularity-container

Package

Name
singularity-container
Purl
pkg:deb/ubuntu/singularity-container@2.4.2-4ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.2-4ubuntu0.1~esm1

Affected versions

2.*

2.3.1-2
2.3.2-1
2.4.1-1
2.4.2-2
2.4.2-3
2.4.2-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "singularity-container",
            "binary_version": "2.4.2-4ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-12021.json"