SB2022061416 - Incorrect default permissions in GNU grub



SB2022061416 - Incorrect default permissions in GNU grub

Published: June 14, 2022

Security Bulletin ID SB2022061416
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insecure Inherited Permissions (CVE-ID: CVE-2021-3981)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to incorrect default permissions for in grub.cfg file that are set by the application. A local user with access to the system can view contents of files and directories.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.