CVE-2019-15948

CVSS V2 Medium 5.8 CVSS V3 High 8.8

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.

Overview

CVE ID
CVE-2019-15948

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2019-11-13T16:15:11

Last Modified Date
2020-08-18T20:15:11

Weakness Enumerations

CWE	URL
CWE-120	http://cwe.mitre.org/data/definitions/120.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:ti:cc256xc-bt-sp_firmware::::::::	1	OR	1.2
cpe:2.3:h:ti:cc256xc-bt-sp:-:::::::*	0	OR
		AND
cpe:2.3:o:ti:cc256xb-bt-sp_firmware::::::::	1	OR	1.8
cpe:2.3:h:ti:cc256xb-bt-sp:-:::::::*	0	OR
		AND
cpe:2.3:o:ti:wl18xx-bt-sp_firmware::::::::	1	OR	4.4
cpe:2.3:h:ti:wl18xx-bt-sp:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:A/AC:L/Au:N/C:P/I:P/A:P

Access Vector
ADJACENT_NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
5.8

Severity
MEDIUM

Exploitability Score
6.5

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.linkedin.com/in/veronica-kovah-2587185	Not Applicable
https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161	Third Party Advisory
https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py
https://www.youtube.com/watch?v=bk5lOxieqbA

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-15948
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15948

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:20:00				Added to TrackCVE
2022-12-04 05:59:57	2019-11-13T16:15Z	2019-11-13T16:15:11	CVE Published Date	updated
2022-12-04 05:59:57		2020-08-18T20:15:11	CVE Modified Date	updated
2022-12-04 05:59:57		Modified	Vulnerability Status	updated