CVE-2023-7242: icsnpp-ethercat Out-of-bounds Read — Fix

Description

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.

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CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

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-2023-7242? +

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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2023-7242? +

CVE-2023-7242 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-7242? +

CVE-2023-7242 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-2023-7242? +

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-2023-7242