CVE-2023-7242

Ethercat Zeek Plugin Out-of-bounds Read

Severity Score

8.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds read during the process of analyzing a specific Ethercat packet. This could allow an attacker to crash the Zeek process and leak some information in memory.

Industrial Control Systems Network Protocol Parsers (ICSNPP): las versiones d78dda6 y anteriores del complemento Ethercat Zeek son vulnerables a lecturas fuera de los límites durante el proceso de análisis de un paquete Ethercat específico. Esto podría permitir que un atacante bloquee el proceso Zeek y filtre información en la memoria.

*Credits: Cameron Whitehead of HACK@UCF reported these vulnerabilities to CISA.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-02-01 CVE Reserved
2024-03-01 CVE Published
2024-08-02 CVE Updated
2025-01-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02	2024-03-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisa Search vendor "Cisa"		Icsnpp-ethercat Search vendor "Cisa" for product "Icsnpp-ethercat"				<= d78dda6 Search vendor "Cisa" for product "Icsnpp-ethercat" and version " <= d78dda6"		zeek		Affected