SB2023020868 - Weak encryption in FreeBSD GELI



SB2023020868 - Weak encryption in FreeBSD GELI

Published: February 8, 2023

Security Bulletin ID SB2023020868
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing Encryption of Sensitive Data (CVE-ID: CVE-2023-0751)

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

The vulnerability exists due to an error in GELI when reading a key file from a standard output. As a result, some GELI providers might be silently encrypted with a NULL key file.


Remediation

Install update from vendor's website.