Advisory Details

June 30th, 2022

Advantech iView findCfgDeviceList COLUMN/VALUE SQL Injection Remote Code Execution Vulnerability

ZDI-22-881
ZDI-CAN-16552

CVE ID CVE-2022-2135
CVSS SCORE 9.8, (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS iView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech iView. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the NetworkServlet endpoint, which listens on TCP port 8080 by default. When parsing the COLUMN and VALUE elements of the findCfgDeviceList action, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

ADDITIONAL DETAILS Advantech has issued an update to correct this vulnerability. More details can be found at:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-03
DISCLOSURE TIMELINE
  • 2022-02-25 - Vulnerability reported to vendor
  • 2022-06-30 - Coordinated public release of advisory
CREDIT Andrea Micalizzi aka rgod (@rgod777)
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