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DDoS
CISA Warns of Possible DDoS Risk in Contec Patient Monitor Medical devices
https://www.scmagazine.com/analysis/device-security/cisa-warns-of-possible-ddos-risk-in-contec-patient-monitor-medical-devices
In September 2022, CISA reported that Contec Health patient monitor medical devicesnamely, the CME8000are vulnerable to possible threat actor attacks, such as mass DDoS attacks or malicious firmware updatesanywhere Contec Health patient monitor medical devices are used due to security bugs in the devices. One bug is that uncontrolled resource consumption causes failures in the parsing of malformed network data in the CMS800, for example. The bugs could be exploited by threat actors looking to gain control of health networks or sensitive data. This report is significant because it shows that the lack of security in the devices makes employees and patients vulnerable to a threat actor. One possible solution for addressing this issue is to improve authentication/controls that would prevent a threat actor from accessing the network through the devices; fix security bugs in the CME8000.
Who, What, When, Where, Why, How, So What?!, possible Solution
Who: Contec Health patient monitor medical devices
What: possible mass DDoS attack on all CME8000 devices and other Contec devices connected to the same network, malicious firmware
When: Reported in September 2022
Where: anywhere Contec Health patient monitor medical devices are used
Why: to gain access to or control of health systems/data
How: security bugs: DDoS attack, malicious firmware, due to uncontrolled resource consumption in the CMS800 device, which fails while attempting to parse malformed network data sent by a threat actor and improper access controls, which would enable an attacker with momentary access to the device to plug in a USB drive and install a malicious firmware update, which could cause permanent changes to the functionality of the device
So What?!: the lack of security in the devices makes employees and patients vulnerable to a threat actor
Possible Solution(s): improve authentication/controls that would prevent a threat actor from accessing the network through the devices; fix security bugs in the CME8000.
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