CVE-2023-7244: icsnpp-ethercat Memory Corruption — Fix

Description

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
cisa	icsnpp-ethercat	< d78dda6

References

Advisories & Patches

https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02 https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02

Frequently Asked Questions

What is CVE-2023-7244? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-7244? +

CVE-2023-7244 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-7244? +

CVE-2023-7244 affects products from cisa, specifically: icsnpp-ethercat. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-7244? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-7244