Vulnerability Details : 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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2019-16336
- cpe:2.3:a:cypress:cyble-416045:*:*:*:*:*:*:*:*
- cpe:2.3:a:cypress:cybl11573:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16336
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16336
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-16336
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16336
-
https://community.cypress.com/thread/53680
Access DeniedVendor Advisory
-
https://www.youtube.com/watch?v=Iw8sIBLWE_w
SweynTooth - Crashing Fitbit Inspire and Deadlocking CubiTag (CVE-2019-16336) and (CVE-2019-17520) - YouTubeExploit;Third Party Advisory
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https://asset-group.github.io/disclosures/sweyntooth/
ASSET Research Group: SweynToothExploit;Third Party Advisory
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https://community.cypress.com/thread/48573
Cypress vulnerability reporting contact not res... | Cypress Developer CommunityVendor Advisory
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