Advisory Details

June 18th, 2024

Toshiba e-STUDIO2518A vsftpd Incorrect Permission Assignment Privilege Escalation Vulnerability

ZDI-24-815
ZDI-CAN-23111

CVE ID CVE-2024-3498
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Toshiba
AFFECTED PRODUCTS e-STUDIO2518A
VULNERABILITY DETAILS

This vulnerability allows local attackers to execute arbitrary code on affected installations of Toshiba e-STUDIO2518A printers. Authentication is required to exploit this vulnerability.

The specific flaw exists within the vsftpd daemon. The issue results from incorrect permissions set on folders. An attacker can leverage this in conjunction with other vulnerabilities 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
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