CVE-2021-23239

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.

Published: Jan 12, 2021
Updated: Apr 14, 2023
CVE: CVE-2021-23239
Severity: Low
Exploit:

CVSS v3:

Severity: Low
Score: 2.5
AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2:

Severity: Low
Score: 1.9
AV:L/AC:M/Au:N/C:P/I:N/A:N

CWEs:

CWE-59

Affected Software
References

Software	From	Fixed in
sudo_project / sudo	-	1.8.32
sudo_project / sudo	1.9.0	1.9.5
fedoraproject / fedora	32	32.x
fedoraproject / fedora	33	33.x
debian / debian_linux	10.0	10.0.x

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239
https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
https://lists.fedoraproject.org/archives/list/[email protected]/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
https://security.gentoo.org/glsa/202101-33
https://security.netapp.com/advisory/ntap-20210129-0010/
https://www.sudo.ws/stable.html#1.9.5

Vulnerability Database

289,599

CVE-2021-23239