CVE-2022-36326: Resource Exhaustion Vulnerability in Western Digital devices
First published: Thu May 18 2023(Updated: )
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.
Credit: psirt@wdc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Westerndigital My Cloud Os 5 | <5.26.202 | |
| Westerndigital My Cloud | ||
| Westerndigital My Cloud Dl2100 | ||
| Westerndigital My Cloud Dl4100 | ||
| Westerndigital My Cloud Ex2 Ultra | ||
| Westerndigital My Cloud Ex2100 | ||
| Westerndigital My Cloud Ex4100 | ||
| Westerndigital My Cloud Mirror G2 | ||
| Westerndigital My Cloud Pr2100 | ||
| Westerndigital My Cloud Pr4100 | ||
| Westerndigital Wd Cloud | ||
| Westerndigital My Cloud Home Firmware | <9.4.0-191 | |
| Westerndigital My Cloud Home | ||
| Westerndigital Sandisk Ibi Firmware | <9.4.0-191 | |
| Westerndigital Sandisk Ibi | ||
| Westerndigital My Cloud Home Duo Firmware | <9.4.0-191 | |
| Westerndigital My Cloud Home Duo |
Remedy
For My Cloud Home, My Cloud Home Duo and SanDisk ibi devices will be automatically updated to reflect the latest firmware version. For My Cloud OS 5 devices, Western Digital recommends that users promptly update their devices to the latest firmware by clicking on the firmware update notification.
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Reference Links
Frequently Asked Questions
What is CVE-2022-36326?
CVE-2022-36326 is an uncontrolled resource consumption vulnerability in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi, and other related products.
How does CVE-2022-36326 impact the affected products?
CVE-2022-36326 could allow an attacker to consume a large amount of memory, potentially causing the service to stop and restart.
What is the severity rating of CVE-2022-36326?
CVE-2022-36326 has a severity rating of 4.9 out of 10 (medium severity).
Which versions of the affected products are vulnerable to CVE-2022-36326?
The vulnerability affects Western Digital My Cloud OS 5 versions up to 5.26.202 and Western Digital My Cloud Home Firmware versions up to 9.4.0-191.
How can I fix CVE-2022-36326?
To fix CVE-2022-36326, it is recommended to update the affected products to the latest available firmware versions provided by Western Digital.
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