Details of VAR-202004-1694

ID

VAR-202004-1694

CVE

CVE-2018-21183

TITLE

plural NETGEAR Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2018-016367

DESCRIPTION

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.94. 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 is a wireless router of NETGEAR. The vulnerability stems from the fact that the network system or product performs an operation on the memory, and the data boundary is not correctly verified, resulting in an incorrect read and write operation to other associated memory locations. The attacker The vulnerability can be exploited to cause buffer overflow or heap overflow. This affects R7800 prior to 1.0.2.40, R9000 prior to 1.0.2.52, WNDR3700v4 prior to 1.0.2.92, and WNDR4300 prior to 1.0.2.94

Trust: 2.25

sources: NVD: CVE-2018-21183 // JVNDB: JVNDB-2018-016367 // CNVD: CNVD-2020-28243 // VULMON: CVE-2018-21183

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-28243

AFFECTED PRODUCTS

vendor:	netgear	model:	r7800	scope:	lt	version:	1.0.2.40	Trust: 1.6
vendor:	netgear	model:	r9000	scope:	lt	version:	1.0.2.52	Trust: 1.6
vendor:	netgear	model:	wndr4300	scope:	lt	version:	1.0.2.94	Trust: 1.6
vendor:	netgear	model:	wndr3700	scope:	lt	version:	1.0.2.92	Trust: 1.0
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.40	Trust: 0.8
vendor:	netgear	model:	r9000	scope:	eq	version:	1.0.2.52	Trust: 0.8
vendor:	netgear	model:	wndr3700	scope:	eq	version:	1.0.2.92	Trust: 0.8
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.2.94	Trust: 0.8
vendor:	netgear	model:	wndr3700v4	scope:	lt	version:	1.0.2.92	Trust: 0.6
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.16	Trust: 0.1
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.28	Trust: 0.1
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.30	Trust: 0.1
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.32	Trust: 0.1
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.36	Trust: 0.1
vendor:	netgear	model:	r7800	scope:	eq	version:	1.0.2.38	Trust: 0.1
vendor:	netgear	model:	r9000	scope:	eq	version:	-	Trust: 0.1
vendor:	netgear	model:	r9000	scope:	eq	version:	1.0.2.4	Trust: 0.1
vendor:	netgear	model:	r9000	scope:	eq	version:	1.0.2.30	Trust: 0.1
vendor:	netgear	model:	r9000	scope:	eq	version:	1.0.2.40	Trust: 0.1
vendor:	netgear	model:	wndr3700	scope:	eq	version:	-	Trust: 0.1
vendor:	netgear	model:	wndr3700	scope:	eq	version:	1.0.2.86	Trust: 0.1
vendor:	netgear	model:	wndr3700	scope:	eq	version:	1.0.2.88	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.0.48	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.0.50	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.0.52	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.0.54	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.0.56	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.2.88	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.2.90	Trust: 0.1
vendor:	netgear	model:	wndr4300	scope:	eq	version:	1.0.2.92	Trust: 0.1

sources: CNVD: CNVD-2020-28243 // VULMON: CVE-2018-21183 // JVNDB: JVNDB-2018-016367 // NVD: CVE-2018-21183

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-21183
value:	MEDIUM
Trust: 1.0
cve@mitre.org:	CVE-2018-21183
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2018-016367
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2020-28243
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-2242
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2018-21183
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2018-21183
severity:	MEDIUM
baseScore:	5.2
vectorString:	AV:A/AC:L/AU:S/C:P/I:P/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	5.1
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
NVD:	JVNDB-2018-016367
severity:	MEDIUM
baseScore:	5.2
vectorString:	AV:A/AC:L/AU:S/C:P/I:P/A:P
accessVector:	ADJACENT 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-2020-28243
severity:	MEDIUM
baseScore:	5.2
vectorString:	AV:A/AC:L/AU:S/C:P/I:P/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	5.1
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2018-21183
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.1/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:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2018-21183
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-2018-016367
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 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-2020-28243 // VULMON: CVE-2018-21183 // JVNDB: JVNDB-2018-016367 // CNNVD: CNNVD-202004-2242 // NVD: CVE-2018-21183 // NVD: CVE-2018-21183

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.8

sources: JVNDB: JVNDB-2018-016367 // NVD: CVE-2018-21183

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202004-2242

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-2242

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-016367

PATCH

title:	Security Advisory for Post-Authentication Stack Overflow on Some Routers, PSV-2017-2616	url:	https://kb.netgear.com/000055175/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2616	Trust: 0.8
title:	Patch for Multiple NETGEAR product buffer overflow vulnerabilities (CNVD-2020-28243)	url:	https://www.cnvd.org.cn/patchInfo/show/217483	Trust: 0.6

sources: CNVD: CNVD-2020-28243 // JVNDB: JVNDB-2018-016367

EXTERNAL IDS

db:	NVD	id:	CVE-2018-21183	Trust: 3.1
db:	JVNDB	id:	JVNDB-2018-016367	Trust: 0.8
db:	CNVD	id:	CNVD-2020-28243	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-2242	Trust: 0.6
db:	VULMON	id:	CVE-2018-21183	Trust: 0.1

sources: CNVD: CNVD-2020-28243 // VULMON: CVE-2018-21183 // JVNDB: JVNDB-2018-016367 // CNNVD: CNNVD-202004-2242 // NVD: CVE-2018-21183

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2018-21183	Trust: 2.0
url:	https://kb.netgear.com/000055175/security-advisory-for-post-authentication-stack-overflow-on-some-routers-psv-2017-2616	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-21183	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2020-28243 // VULMON: CVE-2018-21183 // JVNDB: JVNDB-2018-016367 // CNNVD: CNNVD-202004-2242 // NVD: CVE-2018-21183

SOURCES

db:	CNVD	id:	CNVD-2020-28243
db:	VULMON	id:	CVE-2018-21183
db:	JVNDB	id:	JVNDB-2018-016367
db:	CNNVD	id:	CNNVD-202004-2242
db:	NVD	id:	CVE-2018-21183

LAST UPDATE DATE

2024-11-23T22:33:27.826000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-28243	date:	2020-05-14T00:00:00
db:	VULMON	id:	CVE-2018-21183	date:	2020-05-04T00:00:00
db:	JVNDB	id:	JVNDB-2018-016367	date:	2020-06-01T00:00:00
db:	CNNVD	id:	CNNVD-202004-2242	date:	2020-05-06T00:00:00
db:	NVD	id:	CVE-2018-21183	date:	2024-11-21T04:03:06.870

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-28243	date:	2020-05-14T00:00:00
db:	VULMON	id:	CVE-2018-21183	date:	2020-04-28T00:00:00
db:	JVNDB	id:	JVNDB-2018-016367	date:	2020-06-01T00:00:00
db:	CNNVD	id:	CNNVD-202004-2242	date:	2020-04-28T00:00:00
db:	NVD	id:	CVE-2018-21183	date:	2020-04-28T13:15:12.620