{"id":"CVE-2019-19232","aliases":["BELL-CVE-2019-19232","DEBIAN-CVE-2019-19232","EUVD-2019-8858","GHSA-g292-5fg6-fchh","MGASA-2020-0246","RHSA-2020:1804","UBUNTU-CVE-2019-19232"],"status":"disputed","title":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a...","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03295,"percentile":0.88584,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2019-12-19T20:37:09Z","modified":"2026-09-21T07:01:55Z","fixes":[{"ecosystem":"Debian:12","package":"sudo","fixed_in":["1.8.31-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sudo","fixed_in":["1.8.31-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sudo","fixed_in":["1.8.31-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"sudo","fixed_in":["1.8.31-1ubuntu1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.31-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.31-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.31-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.31p1-1.1.mga7"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::baseos","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.29-5.el8"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::baseos","package":"sudo-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.29-5.el8"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:8::baseos","package":"sudo-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.29-5.el8"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.31-1ubuntu1"}]}],"versions":["1.8.27-1ubuntu4","1.8.29-1ubuntu1"]}],"products":[{"vendor":"sudo","product":"sudo"}],"references":[{"url":"https://www.sudo.ws/stable.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://www.sudo.ws/devel.html#1.8.30b2","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20200103-0004/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58812","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58979","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://www.bsi.bund.de/SharedDocs/Warnmeldungen/DE/CB/2019/12/warnmeldung_cb-k20-0001.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://support2.windriver.com/index.php?page=defects\u0026on=view\u0026id=LIN1018-5506","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs58103","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-19232","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://access.redhat.com/security/cve/cve-2019-19232","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs76870","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://support.apple.com/kb/HT211100","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://seclists.org/fulldisclosure/2020/Mar/31","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","web"]},{"url":"https://support.apple.com/en-gb/HT211100","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://www.tenable.com/plugins/nessus/133936","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://www.oracle.com/security-alerts/bulletinapr2020.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19232","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20200103-0004"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F"},{"url":"https://github.com/advisories/GHSA-g292-5fg6-fchh"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2019-19232","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-19232","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0246.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26314","tags":["report"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19232","tags":["advisory"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19234","tags":["advisory"]},{"url":"https://www.sudo.ws/legacy.html","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/","tags":["web"]},{"url":"https://access.redhat.com/errata/RHSA-2020:1804","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1679508","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1715516","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1733961","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1786704","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1796518","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_1804.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-19232","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-19232","tags":["advisory","report"]},{"url":"https://www.sudo.ws/stable.html#1.8.30","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-19234","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1786708","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-19234","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19234","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-19232","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-19232","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"disputed","published":"2019-12-19T20:37:09Z","modified":"2024-08-05T02:09:39.576Z","updated_at":"2026-11-02T14:20:20.74896Z"}],"euvd":[{"id":"EUVD-2019-8858","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"published","published":"2019-12-19T20:37:09Z","modified":"2024-08-05T02:09:39Z","updated_at":"2026-11-03T02:40:26.287407Z"}],"ghsa":[{"id":"GHSA-g292-5fg6-fchh","title":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a...","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user.","status":"published","published":"2022-05-24T17:04:44Z","modified":"2024-03-30T05:01:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:55:44.65747Z"}],"nvd":[{"id":"CVE-2019-19232","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"disputed","published":"2019-12-19T21:15:13.73Z","modified":"2026-06-17T02:26:20.59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:40.856496Z"}],"osv":[{"id":"BELL-CVE-2019-19232","title":"CVE-2019-19232 does not affect BellSoft software","status":"withdrawn","published":"2019-12-19T21:15:00Z","modified":"2026-01-26T09:45:39.129596Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:28:15.340685Z"},{"id":"CVE-2019-19232","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"published","published":"2019-12-19T21:15:13.73Z","modified":"2026-04-16T04:43:03.412930271Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:12.010761Z"},{"id":"DEBIAN-CVE-2019-19232","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"published","published":"2019-12-19T21:15:13.73Z","modified":"2026-09-21T07:01:55.500305039Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"RHSA-2020:1804","title":"Red Hat Security Advisory: sudo security, bug fix, and enhancement update","status":"published","published":"2024-09-16T03:06:08Z","modified":"2025-11-22T12:00:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:07.072948Z"},{"id":"UBUNTU-CVE-2019-19232","description":"In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions","status":"published","published":"2019-12-19T21:15:00Z","modified":"2025-09-08T16:45:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"MGASA-2020-0246","title":"Updated sudo packages fix security vulnerability","description":"Updated sudo packages fix security vulnerabilities:\n\nIt was found that sudo always allowed commands to be run with unknown\nuser or group ids if the sudo configuration allowed it for example via\nthe \"ALL\" alias. This could allow sudo to impersonate non-existent\naccount and depending on how applications are configured, could lead to\ncertain restriction bypass. This is now explicitly disabled. A new\nsetting called \"allow_unknown_runas_id\" was introduced in order to enable\nthis (CVE-2019-19232).\n\nWhen an account is disabled via the shadow file, by replacing the\npassword hash with \"!\", it is not considered disabled by sudo. And\ndepending on the configuration, sudo can be run by using such disabled\naccount (CVE-2019-19234).\n\nThe sudo package has been updated to version 1.8.31p1, fixing these\nissues and other bugs.\n","status":"published","published":"2020-06-10T22:26:12Z","modified":"2026-04-16T04:42:08.972772512Z","updated_at":"2026-11-02T15:49:41.151324Z"}]}}