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
Status
Package | Release | Status |
---|---|---|
sudo Launchpad, Ubuntu, Debian |
bionic |
Released
(1.8.21p2-3ubuntu1.4)
|
focal |
Released
(1.8.31-1ubuntu1.2)
|
|
groovy |
Released
(1.9.1-1ubuntu1.1)
|
|
hirsute |
Released
(1.9.4p2-2ubuntu2)
|
|
impish |
Released
(1.9.4p2-2ubuntu2)
|
|
jammy |
Released
(1.9.4p2-2ubuntu2)
|
|
kinetic |
Released
(1.9.4p2-2ubuntu2)
|
|
lunar |
Released
(1.9.4p2-2ubuntu2)
|
|
mantic |
Released
(1.9.4p2-2ubuntu2)
|
|
noble |
Released
(1.9.4p2-2ubuntu2)
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Released
(1.8.16-0ubuntu1.10)
|
|
Patches: upstream: https://www.sudo.ws/repos/sudo/rev/ea19d0073c02 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 2.5 |
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |