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CVE-2019-16336

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.

Published

2020-02-12T18:15:10.393

Last Modified

2024-11-21T04:30:32.823

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:P

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

6.5

Impact Score

2.9

Weaknesses

Type: Primary
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cypress	cyble-416045	≤ 2.10	Yes
Hardware	cypress	cyble-416045	-	No
Application	cypress	cybl11573	≤ 3.61	Yes
Hardware	cypress	cybl11573	-	No

References

https://asset-group.github.io/disclosures/sweyntooth/ Exploit, Third Party Advisory ([email protected])
https://community.cypress.com/thread/48573 Vendor Advisory ([email protected])
https://community.cypress.com/thread/53680 Vendor Advisory ([email protected])
https://www.youtube.com/watch?v=Iw8sIBLWE_w Exploit, Third Party Advisory ([email protected])
https://asset-group.github.io/disclosures/sweyntooth/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://community.cypress.com/thread/48573 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://community.cypress.com/thread/53680 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.youtube.com/watch?v=Iw8sIBLWE_w Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)