SB2023041119 - Arbitrary file overwrite in Siemens TIA Portal



SB2023041119 - Arbitrary file overwrite in Siemens TIA Portal

Published: April 11, 2023

Security Bulletin ID SB2023041119
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) External Control of File Name or Path (CVE-ID: CVE-2023-26293)

The vulnerability allows a remote attacker to create or overwrite arbitrary files.

The vulnerability exists due to improper input validation of path names inside PC system configuration files. A remote attacker can trick the victim to open a specially crafted PC system configuration file and create or overwrite arbitrary files on the system.


Remediation

Install update from vendor's website.