Details of VAR-202006-1626

ID

VAR-202006-1626

CVE

CVE-2020-9831

TITLE

macOS Catalina Out-of-bounds read vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-006224

DESCRIPTION

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to determine kernel memory layout. Apple macOS Catalina is a set of dedicated operating systems developed by Apple for Mac computers. Bluetooth is one of the Bluetooth components. A buffer error vulnerability exists in the Bluetooth component of Apple macOS Catalina prior to 10.15.5

Trust: 1.71

sources: NVD: CVE-2020-9831 // JVNDB: JVNDB-2020-006224 // VULHUB: VHN-187956

AFFECTED PRODUCTS

vendor:	apple	model:	mac os x	scope:	lt	version:	10.15.5	Trust: 1.0
vendor:	apple	model:	mac os x	scope:	eq	version:	10.15.4	Trust: 0.8

sources: JVNDB: JVNDB-2020-006224 // NVD: CVE-2020-9831

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-9831
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2020-006224
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-202005-1308
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-187956
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-9831
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-006224
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
VULHUB:	VHN-187956
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2020-9831
baseSeverity:	MEDIUM
baseScore:	5.5
vectorString:	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	1.8
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-006224
baseSeverity:	MEDIUM
baseScore:	5.5
vectorString:	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-187956 // JVNDB: JVNDB-2020-006224 // CNNVD: CNNVD-202005-1308 // NVD: CVE-2020-9831

PROBLEMTYPE DATA

problemtype:

CWE-125

Trust: 1.9

sources: VULHUB: VHN-187956 // JVNDB: JVNDB-2020-006224 // NVD: CVE-2020-9831

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202005-1308

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202005-1308

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-006224

PATCH

title:	HT211170	url:	https://support.apple.com/en-us/HT211170	Trust: 0.8
title:	HT211170	url:	https://support.apple.com/ja-jp/HT211170	Trust: 0.8
title:	Apple macOS Catalina Bluetooth Fix for component buffer error vulnerability	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=121124	Trust: 0.6

sources: JVNDB: JVNDB-2020-006224 // CNNVD: CNNVD-202005-1308

EXTERNAL IDS

db:	NVD	id:	CVE-2020-9831	Trust: 2.5
db:	JVN	id:	JVNVU98042162	Trust: 0.8
db:	JVNDB	id:	JVNDB-2020-006224	Trust: 0.8
db:	CNNVD	id:	CNNVD-202005-1308	Trust: 0.7
db:	AUSCERT	id:	ESB-2020.1859	Trust: 0.6
db:	NSFOCUS	id:	48618	Trust: 0.6
db:	CNVD	id:	CNVD-2020-34637	Trust: 0.1
db:	VULHUB	id:	VHN-187956	Trust: 0.1

sources: VULHUB: VHN-187956 // JVNDB: JVNDB-2020-006224 // CNNVD: CNNVD-202005-1308 // NVD: CVE-2020-9831

REFERENCES

url:	https://support.apple.com/ht211170	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2020-9831	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-9831	Trust: 0.8
url:	http://jvn.jp/vu/jvnvu98042162/index.html	Trust: 0.8
url:	https://support.apple.com/en-us/ht211170	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2020.1859/	Trust: 0.6
url:	https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-32343	Trust: 0.6
url:	https://support.apple.com/kb/ht211170	Trust: 0.6
url:	http://www.nsfocus.net/vulndb/48618	Trust: 0.6

sources: VULHUB: VHN-187956 // JVNDB: JVNDB-2020-006224 // CNNVD: CNNVD-202005-1308 // NVD: CVE-2020-9831

CREDITS

Yu Wang of Didi Research America

Trust: 0.6

sources: CNNVD: CNNVD-202005-1308

SOURCES

db:	VULHUB	id:	VHN-187956
db:	JVNDB	id:	JVNDB-2020-006224
db:	CNNVD	id:	CNNVD-202005-1308
db:	NVD	id:	CVE-2020-9831

LAST UPDATE DATE

2024-11-23T19:30:20.841000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-187956	date:	2020-06-10T00:00:00
db:	JVNDB	id:	JVNDB-2020-006224	date:	2020-07-03T00:00:00
db:	CNNVD	id:	CNNVD-202005-1308	date:	2021-10-29T00:00:00
db:	NVD	id:	CVE-2020-9831	date:	2024-11-21T05:41:21.940

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-187956	date:	2020-06-09T00:00:00
db:	JVNDB	id:	JVNDB-2020-006224	date:	2020-07-03T00:00:00
db:	CNNVD	id:	CNNVD-202005-1308	date:	2020-05-26T00:00:00
db:	NVD	id:	CVE-2020-9831	date:	2020-06-09T17:15:14.160