Advisory Details

February 11th, 2021

Advantech iView NetworkServlet ztp_config_name SQL Injection Information Disclosure Vulnerability

ZDI-21-190
ZDI-CAN-12343

CVE ID CVE-2021-22654
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS iView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech iView. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the NetworkServlet class. When parsing the ztp_config_name parameter, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

ADDITIONAL DETAILS Advantech has issued an update to correct this vulnerability. More details can be found at:
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-02
DISCLOSURE TIMELINE
  • 2020-12-02 - Vulnerability reported to vendor
  • 2021-02-11 - Coordinated public release of advisory
CREDIT rgod
BACK TO ADVISORIES