CVE-2021-23239
sudo - security update
2.5
LOW
CVSS 3.1
EPSS 0.09%
Description
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.
How to fix CVE-2021-23239
To remediate CVE-2021-23239, upgrade the affected package to a fixed version below.
- Alpine/sudo—upgrade to 1.9.5p2-r0 or later
- —upgrade to 1.9.5-1 or later
- —upgrade to 1.8.27-1+deb10u4 or later
Is CVE-2021-23239 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.9.5p2-r0
- from 0, < 1.9.5-1
- from 0, < 1.8.27-1+deb10u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |