CVE-2017-17560 Information

Description

An issue was discovered on Western Digital MyCloud PR4100 2.30.172 devices. The web administration component /web/jquery/uploader/multi_uploadify.php provides multipart upload functionality that is accessible without authentication and can be used to place a file anywhere on the device’s file system. This allows an attacker the ability to upload a PHP shell onto the device and obtain arbitrary code execution as root.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf https://github.com/rapid7/metasploit-framework/pull/9248 https://www.exploit-db.com/exploits/43356/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8