CVE-2022-36326 Resource Exhaustion Vulnerability in Western Digital devices

Medium 4.4 Published 18 May 2023 Updated 22 Jan 2025

An attacker with root privileges can cause a denial of service by exhausting memory resources on 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-2022-36326?

CVE-2022-36326 is a medium-severity denial of service vulnerability in SanDisk My Cloud Home and My Cloud Home Duo, published on 18 May 2023. 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 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.

Weakness: CWE-400

Which versions are affected by CVE-2022-36326?

It affects 4 products.

Products include Westerndigital My Cloud Home Duo Firmware, Westerndigital My Cloud Home Firmware, Westerndigital My Cloud Os 5, Westerndigital Sandisk Ibi Firmware.

How do I fix CVE-2022-36326?

No fix has been published for CVE-2022-36326 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-2022-36326 being exploited?

There is no known exploitation of CVE-2022-36326 in the wild and no public exploit code.

Sources

Also known as GHSA-mc85-9rqh-47wr.