SB2023021439 - Remote code execution in Microsoft Windows Fax Service



SB2023021439 - Remote code execution in Microsoft Windows Fax Service

Published: February 14, 2023

Security Bulletin ID SB2023021439
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2023-21694)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Fax Service. A remote attacker on the local network with administrative access to the device can execute arbitrary code on the target system


Remediation

Install update from vendor's website.