Advantech iView DeviceTreeTable checkForChassisUpdates SQL Injection Remote Code Execution Vulnerability

July 16th, 2020
ZDI-20-833 ZDI-CAN-10633

CVE ID

CVE-2020-14497

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 processing of calls to the checkForChassisUpdates method of the DeviceTreeTable class. When parsing the segment HTTP 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 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://us-cert.cisa.gov/ics/advisories/icsa-20-196-33

Disclosure Timeline

  • 2020-04-24 - Vulnerability reported to vendor
  • 2020-07-16 - Coordinated public release of advisory

Credit

rgod

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