CVE List

CVE-2021-23240

Critical 7.8

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.

Published January 12, 2021.

Affected software

Get alerts for Sudo Project Sudo

Reference links