Toshiba e-STUDIO2518A unzip Directory Traversal Remote Code Execution Vulnerability

June 18th, 2024
ZDI-24-814 ZDI-CAN-23109

CVE ID

CVE-2024-3497

CVSS Score

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

Affected Vendors

Toshiba

Affected Products

e-STUDIO2518A

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Toshiba e-STUDIO2518A printers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the unzip method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

Toshiba has issued an update to correct this vulnerability. More details can be found at:
https://www.toshibatec.com/information/20240531_01.html

Disclosure Timeline

  • 2024-02-14 - Vulnerability reported to vendor
  • 2024-06-18 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated

Credit

Zhenhua Huang from trendmicro, Minmin Li

Back to Advisories