CVE-2022-36326: 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 sto...

Summary

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 ...

What to do

Update westerndigital my_cloud_os_5 to version 5.26.202 or later.
Update westerndigital my_cloud_home_firmware to version 9.4.0-191 or later.
Update westerndigital sandisk_ibi_firmware to version 9.4.0-191 or later.
Update westerndigital my_cloud_home_duo_firmware to version 9.4.0-191 or later.

Affected software

Vendor	Product	Affected versions
westerndigital	my_cloud_os_5	< 5.26.202 `cpe:2.3:o:westerndigital:my_cloud_os_5::::::::`
westerndigital	my_cloud_home_firmware	< 9.4.0-191 `cpe:2.3:o:westerndigital:my_cloud_home_firmware::::::::`
westerndigital	sandisk_ibi_firmware	< 9.4.0-191 `cpe:2.3:o:westerndigital:sandisk_ibi_firmware::::::::`
westerndigital	my_cloud_home_duo_firmware	< 9.4.0-191 `cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware::::::::`

Original advisory text

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 sto...

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.

References

https://www.westerndigital.com/support/product-security/wdc-23003-western-digita... Release Notes Vendor Advisory
https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmw... Release Notes Vendor Advisory