{"id":"CVE-2018-9862","details":"util.c in runV 1.0.0 for Docker mishandles a numeric username, which allows attackers to obtain root access by leveraging the presence of an initial numeric value on an /etc/passwd line, and then issuing a \"docker exec\" command with that value in the -u argument, a similar issue to CVE-2016-3697.","modified":"2026-07-08T20:15:01.018422Z","published":"2018-04-09T16:29:00.273Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103738"},{"type":"FIX","url":"https://github.com/hyperhq/hyperstart/pull/348"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hyperhq/runv","events":[{"introduced":"cc051a6f77fb678ca3c1609e8c1519bbfd858e60"},{"last_affected":"cc051a6f77fb678ca3c1609e8c1519bbfd858e60"}],"database_specific":{"source":"CPE_STRING","extracted_events":[{"introduced":"1.0.0"},{"last_affected":"1.0.0"}],"cpe":"cpe:2.3:a:hyper:runv:1.0.0:*:*:*:*:docker:*:*"}}],"versions":["1.0.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9862.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}