CVE-2023-7244 CRITICAL

CVE-2023-7244: Ethercat Zeek Plugin Out-of-bounds Write

Vendor Cisa
Product Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek
Weakness CWE-787
Published March 1, 2024
Last update August 5, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write in their primary analyses function for Ethercat communication packets. This could allow an attacker to cause arbitrary code execution.

Key dates

02Disclosure timeline

March 1, 2024 CVE published
August 5, 2024 Record updated