OS Command Injection in Western Digital products - CVE-2022-29841

Vulnerability identifier: #VU71209

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-29841

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the do_reboot binary. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system as root.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

My Cloud PR2100
My Cloud PR4100
My Cloud EX4100
My Cloud EX2 Ultra
My Cloud Mirror G2
My Cloud DL2100
My Cloud DL4100
My Cloud EX2100
WD Cloud
My Cloud

Install updates from vendor's website.

My Cloud PR2100 - update to 5.26.119
My Cloud PR4100 - update to 5.26.119
My Cloud EX4100 - update to 5.26.119
My Cloud EX2 Ultra - update to 5.26.119
My Cloud Mirror G2 - update to 5.26.119
My Cloud DL2100 - update to 5.26.119
My Cloud DL4100 - update to 5.26.119
My Cloud EX2100 - update to 5.26.119
My Cloud - update to 5.26.119
WD Cloud - update to 5.26.119

• https://www.westerndigital.com/support/product-security/wdc-23002-my-cloud-firmware-version-5-26-119
• https://www.zerodayinitiative.com/advisories/ZDI-23-849/

• Multiple vulnerabilities in Western Digital My Cloud OS 5 devices