SB2023011719 - Multiple vulnerabilities in Western Digital My Cloud OS 5 devices
Published: January 17, 2023 Updated: June 9, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) OS Command Injection (CVE-ID: CVE-2022-29841)
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.
2) Command Injection (CVE-ID: CVE-2022-29842)
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation within the account_mgr cgi script. A remote attacker can use a specially crafted CGI file and execute arbitrary commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Code Injection (CVE-ID: CVE-2022-29843)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the DDNS service configuration. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Out-of-bounds write (CVE-ID: CVE-2022-29844)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the FTP service. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- https://www.westerndigital.com/support/product-security/wdc-23002-my-cloud-firmware-version-5-26-119
- https://www.zerodayinitiative.com/advisories/ZDI-23-849/
- https://www.zerodayinitiative.com/advisories/ZDI-23-852/
- https://www.zerodayinitiative.com/advisories/ZDI-23-111/
- https://www.zerodayinitiative.com/advisories/ZDI-23-112/