SB2023112030 - Missing authorization in NetBSD tnftpd



SB2023112030 - Missing authorization in NetBSD tnftpd

Published: November 20, 2023

Security Bulletin ID SB2023112030
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Authorization (CVE-ID: CVE-2023-45198)

CWE-ID: CWE-862 - Missing Authorization

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing authorization in tnftpd (the portable version of NetBSD ftpd). A remote non-authenticated attacker can use the MLSD and MLST commands to download arbitrary files from the system.



Remediation

Install update from vendor's website.