Advisory Details

June 7th, 2021

Advantech iView saveZtpConfig SQL Injection Information Disclosure Vulnerability

ZDI-21-651
ZDI-CAN-11836

CVE ID CVE-2021-32932
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 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)
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