Buffer overflow in Cypress Cybl11573
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 class: Buffer Overflow
EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cypress Cybl11573
- Cypress Cyble-416045
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-16336?
- CVE-2019-16336 is a medium-severity vulnerability in Cypress Cybl11573, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2020-02-12.
- How severe is CVE-2019-16336?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-16336 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.