CVE-2020-25584

Published Apr 7, 2021

Last updated 3 years ago

Overview

Description
In FreeBSD 13.0-STABLE before n245118, 12.2-STABLE before r369552, 11.4-STABLE before r369560, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, a superuser inside a FreeBSD jail configured with the non-default allow.mount permission could cause a race condition between the lookup of ".." and remounting a filesystem, allowing access to filesystem hierarchy outside of the jail.
Source
secteam@freebsd.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
6
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.2
Impact score
10
Exploitability score
1.9
Vector string
AV:L/AC:H/Au:N/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-362

Social media

Hype score
Not currently trending

Configurations