UBUNTU-CVE-2018-12021

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2018-12021
Downstream
USN-4840-1
Published: 05 Jul 2018, 18:29
Last modified:04 Feb 2026, 02:27

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jul 2018, 18:29
Published
Vulnerability first disclosed
04 Feb 2026, 02:27
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • ubuntu•singularity-container

    < 2.4.2-4ubuntu0.1~esm1

References (4)