Multiple vulnerabilities in Western Digital My Cloud OS 5, My Cloud Home and SanDisk ibi devices

Published: 2024-02-06 | Updated: 2024-02-07

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-22817 CVE-2023-22819
CWE-ID	CWE-918 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	My Cloud PR2100 Hardware solutions / Other hardware appliances My Cloud PR4100 Hardware solutions / Other hardware appliances My Cloud EX4100 Hardware solutions / Other hardware appliances My Cloud EX2 Ultra Hardware solutions / Other hardware appliances My Cloud Mirror G2 Hardware solutions / Other hardware appliances My Cloud DL2100 Hardware solutions / Other hardware appliances My Cloud DL4100 Hardware solutions / Other hardware appliances My Cloud EX2100 Hardware solutions / Other hardware appliances WD Cloud Hardware solutions / Other hardware appliances My Cloud (Glacier) Hardware solutions / Firmware My Cloud Home Client/Desktop applications / Other client software My Cloud Home Duo Client/Desktop applications / Other client software SanDisk ibi Client/Desktop applications / Other client software
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU86123

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22817

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within the RESTSDK server. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

My Cloud PR2100: before 5.27.161

My Cloud PR4100: before 5.27.161

My Cloud EX4100: before 5.27.161

My Cloud EX2 Ultra: before 5.27.161

My Cloud Mirror G2: before 5.27.161

My Cloud DL2100: before 5.27.161

My Cloud DL4100: before 5.27.161

My Cloud EX2100: before 5.27.161

My Cloud (Glacier): before 5.27.161

WD Cloud: before 5.27.161

My Cloud Home: before 9.5.1-104

My Cloud Home Duo: before 9.5.1-104

SanDisk ibi: before 9.5.1-104

External links

http://www.westerndigital.com/support/product-security/wdc-24001-western-digital-my-cloud-os-5-my-cloud-home-duo-and-sandisk-ibi-firmware-update
http://www.zerodayinitiative.com/advisories/ZDI-24-087/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU86124

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22819

CWE-ID: CWE-400 - Resource exhaustion