SB2023050347 - Gentoo update for uptimed
Published: May 3, 2023
Security Bulletin ID
SB2023050347
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) UNIX Hard Link (CVE-ID: CVE-2020-36657)
CWE-ID: CWE-62 - UNIX Hard Link
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The
vulnerability exists due to a hardlink following issue. A local user with access to the uptimed user account can
create a specially crafted hard link within the /var/spool/uptimed directory and escalate privileges to root.
Remediation
Install update from vendor's website.