Advisory Details

January 4th, 2019

Hetronic Nova-M Replay Attack Vulnerability

ZDI-19-003
ZDI-CAN-6182

CVE ID CVE-2018-19023
CVSS SCORE 8.3, (AV:A/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Hetronic
AFFECTED PRODUCTS Nova-M
VULNERABILITY DETAILS


This vulnerability allows remote attackers to issue commands on vulnerable installations of Hetronic equipment. Authentication is not required to exploit this vulnerability.

The specific flaw exists with the communication between the transmitter and receiver pair. By using a fixed control code an attacker can obtain and replay commands to the receiver. An attacker can leverage this vulnerability to issue commands to the physical equipment controlled by the device.

ADDITIONAL DETAILS Hetronic has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-19-003-03
DISCLOSURE TIMELINE
  • 2018-05-09 - Vulnerability reported to vendor
  • 2019-01-04 - Coordinated public release of advisory
  • 2019-01-04 - Advisory Updated
CREDIT Akira Urano
Marco Balduzzi
Stephen Hilt
Federico Maggi
Philippe Z Lin
Rainer Vosseler
Jonathan Andersson
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