Ethercat Vulnerable to Out-of-Bounds Write Attack
CVE-2023-7243

9.8CRITICAL

Key Information:

Vendor

Cisa

Status
Industrial Control Systems Network Protocol Parsers (icsnpp) - Ethercat Plugin For Zeek
Vendor
CVE Published:
1 March 2024

What is CVE-2023-7243?

The Ethercat Zeek Plugin, part of the Industrial Control Systems Network Protocol Parsers, contains a vulnerability that allows for out-of-bounds writes when processing certain Ethercat datagrams. This flaw can potentially enable attackers to execute arbitrary code, posing significant risks to system integrity and security. Ensuring prompt updates and patches to affected versions is crucial for maintaining a secure environment.

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Affected Version(s)

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek 0

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-0...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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