SB2023020868 - Weak encryption in FreeBSD GELI
Published: February 8, 2023
Security Bulletin ID
SB2023020868
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Encryption of Sensitive Data (CVE-ID: CVE-2023-0751)
CWE-ID: CWE-311 - Missing Encryption of Sensitive Data
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.