Advisory Details

October 24th, 2018

Telecrane F25 Replay Attack Vulnerability

ZDI-18-1315
ZDI-CAN-6188

CVE ID CVE-2018-17935
CVSS SCORE 8.3, AV:A/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Telecrane
AFFECTED PRODUCTS F25
VULNERABILITY DETAILS


This vulnerability allows remote attackers to issue commands on vulnerable installations of Telecrane 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 Telecrane has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-18-296-03
DISCLOSURE TIMELINE
  • 2018-05-09 - Vulnerability reported to vendor
  • 2018-10-24 - Coordinated public release of advisory
  • 2018-10-24 - Advisory Updated
CREDIT Jonathan Andersson
Philippe Z Lin
Akira Urano
Marco Balduzzi
Federico Maggi
Stephen Hilt
Rainer Vosseler
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