CVE-2018-12021

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-05 · updated 2026-06-17
Weakness: CWE-200

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.

Affected products

sylabs singularity: from 2.3.0 through 2.5.1

References

http://www.openwall.com/lists/oss-security/2019/05/16/1
https://github.com/singularityware/singularity/releases/tag/2.5.2
http://www.openwall.com/lists/oss-security/2019/05/16/1
https://github.com/singularityware/singularity/releases/tag/2.5.2

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