CVE-2024-1220: nport w2150a Stack Overflow — Fix

Description

A stack-based buffer overflow in the built-in web server in Moxa NPort W2150A/W2250A Series firmware version 2.3 and prior allows a remote attacker to exploit the vulnerability by sending crafted payload to the web service. Successful exploitation of the vulnerability could result in denial of service.

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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:N/I:L/A:H

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
moxa	nport_w2150a_firmware	< 2.3
moxa	nport_w2150a	All
moxa	nport_w2250a_firmware	< 2.3
moxa	nport_w2250a	All
moxa	nport_w2150a-t_firmware	< 2.3
moxa	nport_w2150a-t	All
moxa	nport_w2250a-t_firmware	< 2.3
moxa	nport_w2250a-t	All

References

Advisories & Patches

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability https://www.moxa.com/en/support/product-support/security-advisory/mpsa-238975-nport-w2150a-w2250a-series-web-server-stack-based-buffer-overflow-vulnerability

Frequently Asked Questions

What is CVE-2024-1220? +

A stack-based buffer overflow in the built-in web server in Moxa NPort W2150A/W2250A Series firmware version 2.3 and prior allows a remote attacker to exploit the vulnerability by sending crafted payload to the web service. Successful exploitation of the vulnerability could result in denial of service. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2024-1220? +

CVE-2024-1220 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-2024-1220? +

CVE-2024-1220 affects products from moxa, specifically: nport_w2150a, nport_w2150a-t, nport_w2150a-t_firmware, nport_w2150a_firmware, nport_w2250a, nport_w2250a-t, nport_w2250a-t_firmware, nport_w2250a_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1220? +

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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