CVE-2019-15948 Information

Description

Texas Instruments CC256x and WL18xx dual-mode Bluetooth controller devices when LE scan mode is used allow remote attackers to trigger a buffer overflow via a malformed Bluetooth Low Energy advertising packet to cause a denial of service or potentially execute arbitrary code. This affects CC256xC-BT-SP 1.2 CC256xB-BT-SP 1.8 and WL18xx-BT-SP 4.4.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161 https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs https://www.linkedin.com/in/veronica-kovah-2587185 https://www.youtube.com/watch?v=bk5lOxieqbA

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8