CVE-2022-36327: Path traversal vulnerability leading to an arbitrary file write in Western Digital devices
First published: Thu May 18 2023(Updated: )
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution 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 an authentication bypass issue to be triggered before this can be exploited. 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 |
|---|---|---|
| Western Digital My Cloud OS 5 | <5.26.202 | |
| Western Digital My Cloud | ||
| Western Digital My Cloud DL2100 Firmware | ||
| Western Digital My Cloud DL4100 Firmware | ||
| Western Digital My Cloud EX2 Ultra Firmware | ||
| Western Digital My Cloud EX2100 Firmware | ||
| Western Digital My Cloud EX4100 Firmware | ||
| Western Digital My Cloud Mirror Gen 2 | ||
| Western Digital My Cloud PR2100 Firmware | ||
| Western Digital My Cloud PR4100 | ||
| Western Digital My Cloud | ||
| Western Digital My Cloud Home firmware | <9.4.0-191 | |
| Western Digital My Cloud Home | ||
| SanDisk ibi firmware | <9.4.0-191 | |
| SanDisk ibi | ||
| Western Digital My Cloud Home Duo Firmware | <9.4.0-191 | |
| Western Digital 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 the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2022-36327.
What software is affected by CVE-2022-36327?
Western Digital My Cloud Home, My Cloud Home Duo, and SanDisk ibi firmware versions 9.4.0-191 are affected by CVE-2022-36327.
What is the severity of CVE-2022-36327?
The severity of CVE-2022-36327 is critical with a CVSS score of 9.8.
What is the CWE ID of CVE-2022-36327?
The CWE ID of CVE-2022-36327 is 22.
Where can I find more information about CVE-2022-36327?
More information about CVE-2022-36327 can be found at the following links: - [Western Digital Security Advisory](https://www.westerndigital.com/support/product-security/wdc-23003-western-digital-my-cloud-home-my-cloud-home-duo-and-sandisk-ibi-firmware-version-9-4-0-191) - [My Cloud Firmware Version 5.26.202](https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202)
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- vendor/westerndigital
- canonical/western digital my cloud os 5
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- canonical/sandisk ibi firmware
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- canonical/western digital my cloud home duo