CVE-2019-16336

Public Exploit

Description

The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier processes data channel frames with a payload length larger than the configured link layer maximum RX payload size, which allows attackers (in radio range) to cause a denial of service (crash) via a crafted BLE Link Layer frame.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory cypress.com Vendor Advisory cypress.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://community.cypress.com/thread/48573 vendor advisory
https://asset-group.github.io/disclosures/sweyntooth/ third party advisory exploit
https://www.youtube.com/watch?v=Iw8sIBLWE_w third party advisory exploit
https://community.cypress.com/thread/53680 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-16336?
CVE-2019-16336 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16336?
To fix CVE-2019-16336, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16336 being actively exploited in the wild?
It is possible that CVE-2019-16336 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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