CVE-2022-29836: Post-Auth Path Traversal Vulnerability Allows to Custom Package Installation via HTTP API
First published: Wed Nov 09 2022(Updated: )
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability was discovered via an HTTP API on Western Digital My Cloud Home; My Cloud Home Duo; and SanDisk ibi devices that could allow an attacker to abuse certain parameters to point to random locations on the file system. This could also allow the attacker to initiate the installation of custom packages at these locations. This can only be exploited once the attacker has been authenticated to the device. This issue affects: Western Digital My Cloud Home and My Cloud Home Duo versions prior to 8.11.0-113 on Linux; SanDisk ibi versions prior to 8.11.0-113 on Linux.
Credit: psirt@wdc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Westerndigital My Cloud Home Firmware | <8.11.0-113 | |
| Westerndigital My Cloud Home | ||
| Westerndigital My Cloud Home Duo Firmware | <8.11.0-113 | |
| Westerndigital My Cloud Home Duo | ||
| Westerndigital Sandisk Ibi Firmware | <8.11.0-113 | |
| Westerndigital Sandisk Ibi |
Remedy
Your My Cloud Home and ibi device will be automatically updated to reflect the latest firmware version.
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2022-29836.
What is the severity of CVE-2022-29836?
The severity of CVE-2022-29836 is medium with a severity value of 4.3.
Which devices are affected by CVE-2022-29836?
CVE-2022-29836 affects Western Digital My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices.
How can an attacker exploit CVE-2022-29836?
An attacker can exploit CVE-2022-29836 by abusing certain parameters to point to random locations on the file system via an HTTP API on the affected devices.
Is there a fix available for CVE-2022-29836?
Yes, a fix for CVE-2022-29836 is available. Please refer to the vendor's official support page for more information.
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