Out-of-bounds read in Kostac PLC Programming Software - CVE-2023-22421
Published: March 3, 2023
Vulnerability identifier: #VU72729
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-22421
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Kostac PLC Programming Software
Kostac PLC Programming Software
Software vendor:
JTEKT ELECTRONICS CORPORATION
JTEKT ELECTRONICS CORPORATION
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the PLC program instructions. A remote attacker can create a specially crafted project file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.