The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices accepts a pairing request with a key size greater than 16 bytes, allowing an attacker in radio range to cause a buffer overflow and denial of service (crash) via crafted packets.
References
Link Resource
http://www.telink-semi.com/ble Vendor Advisory
https://asset-group.github.io/disclosures/sweyntooth/ Exploit Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2020-02-12T14:23:54

Updated: 2020-02-12T14:23:54

Reserved: 2019-11-21T00:00:00


Link: CVE-2019-19196

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-02-12T15:15:12.147

Modified: 2020-02-25T20:35:30.557


Link: CVE-2019-19196

JSON object: View

cve-icon Redhat Information

No data.

CWE