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CVE-2019-19232

Published: 19 December 2019

** DISPUTED ** 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.

Notes

AuthorNote
mdeslaur
upstream sudo has disputed this CVE, sudo works as intended and
as documented, so marking this as not-affected.
Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
sudo
Launchpad, Ubuntu, Debian
bionic Not vulnerable

disco Ignored
(reached end-of-life)
eoan Not vulnerable

focal
Released (1.8.31-1ubuntu1)
precise Not vulnerable

trusty Not vulnerable

upstream
Released (1.8.30)
xenial Not vulnerable

Patches:
upstream: https://www.sudo.ws/repos/sudo/rev/ebdbb5c7f60b