Details of VAR-202004-0747

ID

VAR-202004-0747

CVE

CVE-2019-20767

TITLE

plural NETGEAR Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2019-015313

DESCRIPTION

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.60, D3600 before 1.0.0.75, D6000 before 1.0.0.75, R9000 before 1.0.4.26, R8900 before 1.0.4.26, R7800 before 1.0.2.52, WNDR4500v3 before 1.0.0.58, WNDR4300v2 before 1.0.0.58, WNDR4300 before 1.0.2.104, WNDR3700v4 before 1.0.2.102, and WNR2000v5 before 1.0.0.66. plural NETGEAR The device is vulnerable to out-of-bounds writes.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR R9000, etc. are all products of NETGEAR. NETGEAR R9000 is a wireless router. NETGEAR D6100 is a wireless modem. NETGEAR WNDR4500 is a wireless router. The vulnerability stems from the fact that when the network system or product performs operations on the memory, the data boundary is not correctly verified, resulting in incorrect read and write operations to other associated memory locations. Attackers can use this vulnerability to cause buffer overflow or heap overflow

Trust: 2.16

sources: NVD: CVE-2019-20767 // JVNDB: JVNDB-2019-015313 // CNVD: CNVD-2021-57171

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-57171

AFFECTED PRODUCTS

vendor:	netgear	model:	r7800	scope:	lt	version:	1.0.2.52	Trust: 1.6
vendor:	netgear	model:	r9000	scope:	lt	version:	1.0.4.26	Trust: 1.6
vendor:	netgear	model:	d3600	scope:	lt	version:	1.0.0.75	Trust: 1.6
vendor:	netgear	model:	d6000	scope:	lt	version:	1.0.0.75	Trust: 1.6
vendor:	netgear	model:	d6100	scope:	lt	version:	1.0.0.60	Trust: 1.6
vendor:	netgear	model:	wndr4300	scope:	lt	version:	1.0.2.104	Trust: 1.6
vendor:	netgear	model:	r8900	scope:	lt	version:	1.0.4.26	Trust: 1.6
vendor:	netgear	model:	wndr3700	scope:	lt	version:	1.0.2.102	Trust: 1.0
vendor:	netgear	model:	wndr4300	scope:	lt	version:	1.0.0.58	Trust: 1.0
vendor:	netgear	model:	wndr4500	scope:	lt	version:	1.0.0.58	Trust: 1.0
vendor:	netgear	model:	wnr2000	scope:	lt	version:	1.0.0.66	Trust: 1.0
vendor:	netgear	model:	d3600	scope:	eq	version:	1.0.0.75	Trust: 0.8
vendor:	netgear	model:	d6000	scope:	eq	version:	1.0.0.75	Trust: 0.8
vendor:	netgear	model:	d6100	scope:	eq	version:	1.0.0.60	Trust: 0.8
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.52	Trust: 0.8
vendor:	netgear	model:	r8900	scope:	eq	version:	1.0.4.26	Trust: 0.8
vendor:	netgear	model:	r9000	scope:	eq	version:	1.0.4.26	Trust: 0.8
vendor:	netgear	model:	wndr3700	scope:	eq	version:	1.0.2.102	Trust: 0.8
vendor:	netgear	model:	wndr4500	scope:	eq	version:	1.0.0.58	Trust: 0.8
vendor:	netgear	model:	wnr2000	scope:	eq	version:	1.0.0.66	Trust: 0.8
vendor:	netgear	model:	wndr4300v2	scope:	lt	version:	1.0.0.58	Trust: 0.6
vendor:	netgear	model:	wndr4500v3	scope:	lt	version:	1.0.0.58	Trust: 0.6
vendor:	netgear	model:	wndr3700v4	scope:	lt	version:	1.0.2.102	Trust: 0.6
vendor:	netgear	model:	wnr2000v5	scope:	lt	version:	1.0.0.66	Trust: 0.6

sources: CNVD: CNVD-2021-57171 // JVNDB: JVNDB-2019-015313 // NVD: CVE-2019-20767

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-20767
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2019-20767
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2019-015313
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-57171
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1204
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2019-20767
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2019-015313
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2021-57171
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2019-20767
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2019-20767
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.9
impactScore:	5.9
version:	3.0
Trust: 1.0
NVD:	JVNDB-2019-015313
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-57171 // JVNDB: JVNDB-2019-015313 // CNNVD: CNNVD-202004-1204 // NVD: CVE-2019-20767 // NVD: CVE-2019-20767

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.8

sources: JVNDB: JVNDB-2019-015313 // NVD: CVE-2019-20767

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202004-1204

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-1204

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-015313

PATCH

title:	Security Advisory for Post-Authentication Stack Overflow on Some Routers and Modem Routers, PSV-2018-0116	url:	https://kb.netgear.com/000060632/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0116	Trust: 0.8
title:	Patch for Buffer overflow vulnerabilities in multiple NETGEAR products (CNVD-2021-57171)	url:	https://www.cnvd.org.cn/patchInfo/show/283641	Trust: 0.6
title:	Multiple NETGEAR Product Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=116503	Trust: 0.6

sources: CNVD: CNVD-2021-57171 // JVNDB: JVNDB-2019-015313 // CNNVD: CNNVD-202004-1204

EXTERNAL IDS

db:	NVD	id:	CVE-2019-20767	Trust: 3.0
db:	JVNDB	id:	JVNDB-2019-015313	Trust: 0.8
db:	CNVD	id:	CNVD-2021-57171	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1204	Trust: 0.6

sources: CNVD: CNVD-2021-57171 // JVNDB: JVNDB-2019-015313 // CNNVD: CNNVD-202004-1204 // NVD: CVE-2019-20767

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2019-20767	Trust: 2.0
url:	https://kb.netgear.com/000060632/security-advisory-for-post-authentication-stack-overflow-on-some-routers-and-modem-routers-psv-2018-0116	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-20767	Trust: 0.8

sources: CNVD: CNVD-2021-57171 // JVNDB: JVNDB-2019-015313 // CNNVD: CNNVD-202004-1204 // NVD: CVE-2019-20767

SOURCES

db:	CNVD	id:	CNVD-2021-57171
db:	JVNDB	id:	JVNDB-2019-015313
db:	CNNVD	id:	CNNVD-202004-1204
db:	NVD	id:	CVE-2019-20767

LAST UPDATE DATE

2024-11-23T21:51:35.231000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-57171	date:	2021-07-31T00:00:00
db:	JVNDB	id:	JVNDB-2019-015313	date:	2020-05-12T00:00:00
db:	CNNVD	id:	CNNVD-202004-1204	date:	2020-04-26T00:00:00
db:	NVD	id:	CVE-2019-20767	date:	2024-11-21T04:39:18.773

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-57171	date:	2020-07-31T00:00:00
db:	JVNDB	id:	JVNDB-2019-015313	date:	2020-05-12T00:00:00
db:	CNNVD	id:	CNNVD-202004-1204	date:	2020-04-15T00:00:00
db:	NVD	id:	CVE-2019-20767	date:	2020-04-15T14:15:18.560