Out-of-bounds read in PLC WinProladder - CVE-2021-38440
Published: October 8, 2021 / Updated: October 14, 2021
Vulnerability identifier: #VU57146
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-38440
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PLC WinProladder
PLC WinProladder
Software vendor:
Fatek
Fatek
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing PDW files. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.