CVE-2021-23240
moderate-risk
Published 2021-01-12
selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and escalate privileges by replacing a temporary file with a symlink to an arbitrary file target. This affects SELinux RBAC support in permissive mode. Machines without SELinux are not vulnerable.
Do I need to act?
-
0.22% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (5)
Affected Vendors
References (16)
Third Party Advisory
https://security.gentoo.org/glsa/202101-33
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0010/
Release Notes
https://www.sudo.ws/stable.html#1.9.5
Third Party Advisory
https://security.gentoo.org/glsa/202101-33
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0010/
Release Notes
https://www.sudo.ws/stable.html#1.9.5
37
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
1/34 · Minimal
Exposure
12/34 · Low