SB2023041119 - Arbitrary file overwrite in Siemens TIA Portal
Published: April 11, 2023
Security Bulletin ID
SB2023041119
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) External Control of File Name or Path (CVE-ID: CVE-2023-26293)
CWE-ID: CWE-73 - External Control of File Name or Path
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.