Details of VAR-202008-0640

ID

VAR-202008-0640

CVE

CVE-2020-15532

TITLE

Silicon Labs Bluetooth Low Energy SDK Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-009654

DESCRIPTION

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air denial of service vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles

Trust: 1.62

sources: NVD: CVE-2020-15532 // JVNDB: JVNDB-2020-009654

IOT TAXONOMY

category:	['network device', 'embedded device']	sub_category:	SoC	Trust: 0.1
category:	['network device', 'embedded device']	sub_category:	bluetooth device	Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:	silabs	model:	bluetooth low energy software development kit	scope:	lt	version:	2.13.3.0	Trust: 1.0
vendor:	silicon	model:	bluetooth low energy sdk	scope:	eq	version:	2.13.3	Trust: 0.8

sources: JVNDB: JVNDB-2020-009654 // NVD: CVE-2020-15532

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-15532
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2020-009654
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-202008-995
value:	MEDIUM
Trust: 0.6

nvd@nist.gov:	CVE-2020-15532
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:N/I:N/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	6.5
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-009654
severity:	LOW
baseScore:	3.3
vectorString:	AV:A/AC:L/AU:N/C:N/I:N/A:P
accessVector:	ADJACENT NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8

nvd@nist.gov:	CVE-2020-15532
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-009654
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2020-009654 // CNNVD: CNNVD-202008-995 // NVD: CVE-2020-15532

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2020-009654 // NVD: CVE-2020-15532

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202008-995

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202008-995

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-009654

PATCH

title:

Silicon Labs Bluetooth@ Low Energy (LE) and Mesh Software

url:

https://www.silabs.com/products/development-tools/software/bluetooth-low-energy

Trust: 0.8

sources: JVNDB: JVNDB-2020-009654

EXTERNAL IDS

db:	NVD	id:	CVE-2020-15532	Trust: 2.5
db:	JVNDB	id:	JVNDB-2020-009654	Trust: 0.8
db:	CNNVD	id:	CNNVD-202008-995	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1

sources: OTHER: None // JVNDB: JVNDB-2020-009654 // CNNVD: CNNVD-202008-995 // NVD: CVE-2020-15532

REFERENCES

url:	https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_dos.py	Trust: 2.4
url:	https://github.com/darkmentorllc/publications/tree/master/2020/ti_silabs_ble_rces	Trust: 2.4
url:	https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-15532	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-15532	Trust: 0.8
url:	https://ieeexplore.ieee.org/abstract/document/10769424	Trust: 0.1

sources: OTHER: None // JVNDB: JVNDB-2020-009654 // CNNVD: CNNVD-202008-995 // NVD: CVE-2020-15532

SOURCES

db:	OTHER	id:	-
db:	JVNDB	id:	JVNDB-2020-009654
db:	CNNVD	id:	CNNVD-202008-995
db:	NVD	id:	CVE-2020-15532

LAST UPDATE DATE

2025-01-30T20:34:10.532000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2020-009654	date:	2020-11-25T06:36:59
db:	CNNVD	id:	CNNVD-202008-995	date:	2021-01-05T00:00:00
db:	NVD	id:	CVE-2020-15532	date:	2024-11-21T05:05:42.543

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2020-009654	date:	2020-11-25T06:36:59
db:	CNNVD	id:	CNNVD-202008-995	date:	2020-08-19T00:00:00
db:	NVD	id:	CVE-2020-15532	date:	2020-08-20T01:17:12.757