CVE-2020-24717 Information

Description

OpenZFS before 2.0.0-rc1 when used on FreeBSD misinterprets group permissions as user permissions as demonstrated by mode 0770 being equivalent to mode 0777.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f https://github.com/openzfs/zfs/compare/zfs-0.8.4…zfs-2.0.0-rc1 https://jira.ixsystems.com/browse/NAS-107270 https://reviews.freebsd.org/D26107

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8