Advisory Details

August 4th, 2023

Triangle MicroWorks SCADA Data Gateway Directory Traversal Arbitrary File Creation Vulnerability

ZDI-23-1027
ZDI-CAN-20531

CVE ID CVE-2023-39459
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Triangle MicroWorks
AFFECTED PRODUCTS SCADA Data Gateway
VULNERABILITY DETAILS

This vulnerability allows remote attackers to create arbitrary files on affected installations of Triangle MicroWorks SCADA Data Gateway. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of workspace files. 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 create files in the context of Administrator.

ADDITIONAL DETAILS Triangle MicroWorks has issued an update to correct this vulnerability. More details can be found at:
https://www.trianglemicroworks.com/products/scada-data-gateway/what's-new
DISCLOSURE TIMELINE
  • 2023-05-03 - Vulnerability reported to vendor
  • 2023-08-04 - Coordinated public release of advisory
CREDIT Li Jiantao, Ngo Wei Lin, Pan Zhenpeng of STAR Labs SG Pte. Ltd.
BACK TO ADVISORIES