SB2023110941 - Fedora EPEL 9 update for salt

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Main Vulnerability Database SB2023110941

SB2023110941 - Fedora EPEL 9 update for salt

Published: November 9, 2023

Security Bulletin ID SB2023110941
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) UNIX symbolic link following (CVE-ID: CVE-2023-34049)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue in Salt-SSH pre-flight option. A local user can create a specially crafted symbolic link to an empty file on the system, wait for the salt to create the file for further execution, update the symbolic link and point it to another file that is under attacker's control and execute the file with root privileges.


Remediation

Install update from vendor's website.

References