Details of VAR-202004-0742

ID

VAR-202004-0742

CVE

CVE-2019-20762

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2019-015437

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D8500 before 1.0.3.43, R8500 before 1.0.2.128, R8300 before 1.0.2.128, R8000 before 1.0.4.28, R7300DST before 1.0.0.68, R7100LG before 1.0.0.48, R6900P before 1.3.1.44, R7900P before 1.4.1.30, R8000P before 1.4.1.30, R7000P before 1.3.1.44, R7000 before 1.0.9.34, R6900 before 1.0.2.4, R6700 before 1.0.2.6, and R6400 before 1.0.1.44. plural NETGEAR A classic buffer overflow vulnerability exists on the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR D8500, etc. are all wireless routers from NETGEAR. 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-2019-20762 // JVNDB: JVNDB-2019-015437 // CNVD: CNVD-2021-61062

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-61062

AFFECTED PRODUCTS

vendor:	netgear	model:	r6700	scope:	lt	version:	1.0.2.6	Trust: 1.6
vendor:	netgear	model:	r6900	scope:	lt	version:	1.0.2.4	Trust: 1.6
vendor:	netgear	model:	r7900p	scope:	lt	version:	1.4.1.30	Trust: 1.6
vendor:	netgear	model:	r8000p	scope:	lt	version:	1.4.1.30	Trust: 1.6
vendor:	netgear	model:	r8300	scope:	lt	version:	1.0.2.128	Trust: 1.6
vendor:	netgear	model:	r8500	scope:	lt	version:	1.0.2.128	Trust: 1.6
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.3.1.44	Trust: 1.6
vendor:	netgear	model:	r6900p	scope:	lt	version:	1.3.1.44	Trust: 1.6
vendor:	netgear	model:	d8500	scope:	lt	version:	1.0.3.43	Trust: 1.6
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.44	Trust: 1.6
vendor:	netgear	model:	r7100lg	scope:	lt	version:	1.0.0.48	Trust: 1.6
vendor:	netgear	model:	r7300dst	scope:	lt	version:	1.0.0.68	Trust: 1.6
vendor:	netgear	model:	r8000	scope:	lt	version:	1.0.4.28	Trust: 1.6
vendor:	netgear	model:	r7000	scope:	lt	version:	1.0.9.34	Trust: 1.6
vendor:	netgear	model:	d8500	scope:	eq	version:	1.0.3.43	Trust: 0.8
vendor:	netgear	model:	r6900p	scope:	eq	version:	1.3.1.44	Trust: 0.8
vendor:	netgear	model:	r7000p	scope:	eq	version:	1.3.1.44	Trust: 0.8
vendor:	netgear	model:	r7100lg	scope:	eq	version:	1.0.0.48	Trust: 0.8
vendor:	netgear	model:	r7300dst	scope:	eq	version:	1.0.0.68	Trust: 0.8
vendor:	netgear	model:	r7900p	scope:	eq	version:	1.4.1.30	Trust: 0.8
vendor:	netgear	model:	r8000	scope:	eq	version:	1.0.4.28	Trust: 0.8
vendor:	netgear	model:	r8000p	scope:	eq	version:	1.4.1.30	Trust: 0.8
vendor:	netgear	model:	r8300	scope:	eq	version:	1.0.2.128	Trust: 0.8
vendor:	netgear	model:	r8500	scope:	eq	version:	1.0.2.128	Trust: 0.8

sources: CNVD: CNVD-2021-61062 // JVNDB: JVNDB-2019-015437 // NVD: CVE-2019-20762

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-20762
value:	MEDIUM
Trust: 1.0
cve@mitre.org:	CVE-2019-20762
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2019-015437
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2021-61062
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1373
value:	MEDIUM
Trust: 0.6

nvd@nist.gov:	CVE-2019-20762
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: 1.0
NVD:	JVNDB-2019-015437
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-2021-61062
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-2019-20762
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-2019-20762
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-2019-015437
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-2021-61062 // JVNDB: JVNDB-2019-015437 // CNNVD: CNNVD-202004-1373 // NVD: CVE-2019-20762 // NVD: CVE-2019-20762

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2019-015437 // NVD: CVE-2019-20762

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202004-1373

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-1373

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-015437

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers, Modem Routers, and Gateways, PSV-2018-0197	url:	https://kb.netgear.com/000060637/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Modem-Routers-and-Gateways-PSV-2018-0197	Trust: 0.8
title:	Patch for Buffer overflow vulnerabilities in multiple NETGEAR products (CNVD-2021-61062)	url:	https://www.cnvd.org.cn/patchInfo/show/285346	Trust: 0.6
title:	Multiple NETGEAR Product Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=115182	Trust: 0.6

sources: CNVD: CNVD-2021-61062 // JVNDB: JVNDB-2019-015437 // CNNVD: CNNVD-202004-1373

EXTERNAL IDS

db:	NVD	id:	CVE-2019-20762	Trust: 3.0
db:	JVNDB	id:	JVNDB-2019-015437	Trust: 0.8
db:	CNVD	id:	CNVD-2021-61062	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1373	Trust: 0.6

sources: CNVD: CNVD-2021-61062 // JVNDB: JVNDB-2019-015437 // CNNVD: CNNVD-202004-1373 // NVD: CVE-2019-20762

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2019-20762	Trust: 2.0
url:	https://kb.netgear.com/000060637/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-modem-routers-and-gateways-psv-2018-0197	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-20762	Trust: 0.8

sources: CNVD: CNVD-2021-61062 // JVNDB: JVNDB-2019-015437 // CNNVD: CNNVD-202004-1373 // NVD: CVE-2019-20762

SOURCES

db:	CNVD	id:	CNVD-2021-61062
db:	JVNDB	id:	JVNDB-2019-015437
db:	CNNVD	id:	CNNVD-202004-1373
db:	NVD	id:	CVE-2019-20762

LAST UPDATE DATE

2024-11-23T22:58:19.218000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-61062	date:	2021-08-11T00:00:00
db:	JVNDB	id:	JVNDB-2019-015437	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1373	date:	2020-04-26T00:00:00
db:	NVD	id:	CVE-2019-20762	date:	2024-11-21T04:39:17.963

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-61062	date:	2021-08-11T00:00:00
db:	JVNDB	id:	JVNDB-2019-015437	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1373	date:	2020-04-16T00:00:00
db:	NVD	id:	CVE-2019-20762	date:	2020-04-16T22:15:13.400