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CVE-2021-23240

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2021-1723-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1723-01 - The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.

tags | advisory, root
systems | linux, redhat
advisories | CVE-2021-23239, CVE-2021-23240
SHA-256 | eaac6a74857744887bf4d8f981f85c15222e7de2df1bae9d31b5fd2386f285f3
Gentoo Linux Security Advisory 202101-33
Posted Jan 27, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202101-33 - Multiple vulnerabilities have been found in sudo, the worst of which could result in privilege escalation. Versions less than 1.9.5_p2 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2021-23239, CVE-2021-23240, CVE-2021-3156
SHA-256 | 3f9611402a5877782d23f9e9d2f5be342e3982b50a70d76d2296d15cc8e96070
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