{"id":"CVE-2018-12021","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.","aliases":["GHSA-4x32-h296-rg6j"],"modified":"2026-04-10T04:05:40.147700Z","published":"2018-07-05T18:29:00.297Z","related":["openSUSE-SU-2018:1969-1","openSUSE-SU-2019:0095-1","openSUSE-SU-2024:11384-1"],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/05/16/1"},{"type":"ADVISORY","url":"https://github.com/singularityware/singularity/releases/tag/2.5.2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apptainer/singularity","events":[{"introduced":"0"},{"fixed":"b258b6514a8c7f7f425efe687997002c2c8c74ea"}]},{"type":"GIT","repo":"https://github.com/sylabs/singularity","events":[{"introduced":"0"},{"last_affected":"8fa932b79b9d60042094329e5e5044b719e7b93a"}],"database_specific":{"versions":[{"introduced":"2.3.0"},{"last_affected":"2.5.1"}]}}],"versions":["1.0","2.0","2.1","2.1.1","2.1.2","2.2","2.3","2.3.1","2.3.2","2.4","2.4.1","2.4.4","2.5.0","2.5.0-rc1","2.5.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12021.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}