CVE-2021-43411

Published Nov 7, 2021

Last updated a year ago

Overview

Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root access.
Source
cve@mitre.org
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
5.9
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
8.5
Impact score
10
Exploitability score
6.8
Vector string
AV:N/AC:M/Au:S/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-362

Social media

Hype score
Not currently trending

Configurations