CVE-2023-22819 Uncontrolled resource consumption vulnerability in Western Digital My Cloud, My Cloud Home and SanDisk ibi products

Medium 4.9 Published 5 Feb 2024 Updated 5 Sep 2024

An attacker with root privileges can cause a denial of service by consuming excessive memory in Western Digital NAS devices.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-22819?

CVE-2023-22819 is a medium-severity denial of service vulnerability in SanDisk My Cloud Home & Duo, published on 5 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An uncontrolled resource consumption vulnerability issue that could arise by sending crafted requests to a service to consume a large amount of memory, eventually resulting in the service being stopped and restarted was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires the attacker to already have root privileges in order to exploit this vulnerability. This issue affects My Cloud Home and My Cloud Home Duo: before 9.5.1-104; ibi: before 9.5.1-104; My Cloud OS 5: before 5.27.161.

Weakness: CWE-400, CWE-770

Which versions are affected by CVE-2023-22819?

It affects 12 products.

Products include Westerndigital My Cloud Dl2100 Firmware, Westerndigital My Cloud Dl4100 Firmware, Westerndigital My Cloud Ex2100 Firmware, Westerndigital My Cloud Ex2 Ultra Firmware, Westerndigital My Cloud Ex4100 Firmware, Westerndigital My Cloud Glacier Firmware and 6 more.

How do I fix CVE-2023-22819?

No fix has been published for CVE-2023-22819 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-22819 being exploited?

There is no known exploitation of CVE-2023-22819 in the wild and no public exploit code.

Sources

Also known as GHSA-4m5c-7v8f-8p2q.