Advantech iView saveZtpConfig SQL Injection Information Disclosure Vulnerability
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 saveZtpConfig action of NetworkServlet, which listens on TCP port 8080 by default. When parsing the ztp_config_text element, 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 information in the context of the service account.
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-21-154-01
Disclosure Timeline
- 2021-01-29 - Vulnerability reported to vendor
- 2021-06-07 - Coordinated public release of advisory
Credit
Selim Enes Karaduman (@Enesdex)
