CVE-2021-23239

Published: 12 January 2021

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

Priority

Low

CVSS 3 base score: 2.5

Status

Package Release Status
sudo
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo)
Released (1.9.4p2-2ubuntu2)
Ubuntu 20.10 (Groovy Gorilla)
Released (1.9.1-1ubuntu1.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1.8.31-1ubuntu1.2)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.8.21p2-3ubuntu1.4)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.8.16-0ubuntu1.10)
Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Patches:
Upstream: https://www.sudo.ws/repos/sudo/rev/ea19d0073c02