Advisory Details

October 25th, 2018

Saga Radio SAGA1-L8B Remote Controller Forced-Pairing Remote Code Execution Vulnerability

CVE ID	CVE-2018-17921
CVSS SCORE	7.5, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	SAGA
AFFECTED PRODUCTS	SAGA1-L8B
VULNERABILITY DETAILS	This vulnerability allows remote attackers to issue commands on vulnerable installations of Saga Radio equipment. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of communication between the transmitter and receiver. By sending a crafted re-pairing packet an attacker can force a receiver to pair with a new transmitter without user interaction. An attacker can leverage this vulnerability to issue commands to the physical equipment controlled by the device.
ADDITIONAL DETAILS	SAGA has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-296-02
DISCLOSURE TIMELINE	2018-06-29 - Vulnerability reported to vendor 2018-10-25 - Coordinated public release of advisory
CREDIT	Philippe Lin, Jonathan Andersson, Rainer Vosseler, Federico Maggi, Urano Akira, Stephen Hilt, Marco Balduzzi

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