CVE-2019-19196

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductTelink-semi Tlsr8258 Ble Sdk
PublishedFeb 12, 2020
First seenFeb 12, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
telink-semi tlsr8258_ble_sdkv ≤ 3.4.0—
telink-semi tlsr8269_ble_sdkv ≤ 3.3—
telink-semi tlsr8253_ble_sdkv ≤ 3.4.0—
telink-semi tlsr8251_ble_sdkv ≤ 3.4.0—
telink-semi tlsr8232_ble_sdkv ≤ 1.3.0—

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CVE-2019-19196 · Telink-semi Tlsr8258 Ble Sdk · Dark Radar