CVE-2024-39589: openplc v3 — Exploit

Description

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Read_Reply` function

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-704 CWE-704

Affected Products

Vendor	Product	Versions
openplcproject	openplc_v3_firmware	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016

Other References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016

Frequently Asked Questions

What is CVE-2024-39589? +

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Read_Reply` function It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-39589? +

CVE-2024-39589 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-39589? +

CVE-2024-39589 affects products from openplcproject, specifically: openplc_v3_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-39589? +

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-2024-39589