Wacom Center WTabletServicePro Link Following Local Privilege Escalation Vulnerability

December 12th, 2024
ZDI-24-1683 ZDI-CAN-25359

CVE ID

CVE-2024-12552

CVSS Score

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

Affected Vendors

Wacom

Affected Products

Center

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of Wacom Center. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within WTabletServicePro.exe. By creating a symbolic link, an attacker can abuse the service to create an arbitrary file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Additional Details

Wacom has issued an update to correct this vulnerability. More details can be found at:
https://cdn.wacom.com/u/productsupport/drivers/win/professional/releasenotes/Windows_6.4.8-2.html

Disclosure Timeline

  • 2024-10-08 - Vulnerability reported to vendor
  • 2024-12-12 - Coordinated public release of advisory
  • 2024-12-12 - Advisory Updated

Credit

Vladislav Berghici and Amol Dosanjh of Trend Micro

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