CVE Vulnerability

CVE-2019-19196

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.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.telink-semi.com/ble Vendor Advisory
https://asset-group.github.io/disclosures/sweyntooth/ Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2020-02-12 03:15

Updated : 2020-02-25 08:35

NVD link : CVE-2019-19196

Mitre link : CVE-2019-19196

Products Affected

Telink-semi

Tlsr8269 Ble Sdk

CWE
CWE-120