Details of VAR-202004-0781

ID

VAR-202004-0781

CVE

CVE-2019-20719

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2019-015413

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D8500 before 1.0.3.43, R6250 before 1.0.4.34, R6400 before 1.0.1.44, R6400v2 before 1.0.2.62, R7000P before 1.4.1.30, R7100LG before 1.0.0.48, R7300DST before 1.0.0.68, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, and R8500 before 1.0.2.128. 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 R6250, etc. are all products of NETGEAR. NETGEAR R6250 is a wireless router. NETGEAR R6400 is a wireless router. NETGEAR D6220 is a wireless modem. 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

Trust: 2.16

sources: NVD: CVE-2019-20719 // JVNDB: JVNDB-2019-015413 // CNVD: CNVD-2020-30690

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-30690

AFFECTED PRODUCTS

vendor:	netgear	model:	r7900	scope:	lt	version:	1.0.3.8	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:	d6220	scope:	lt	version:	1.0.0.48	Trust: 1.6
vendor:	netgear	model:	d6400	scope:	lt	version:	1.0.0.82	Trust: 1.6
vendor:	netgear	model:	d8500	scope:	lt	version:	1.0.3.43	Trust: 1.6
vendor:	netgear	model:	r6250	scope:	lt	version:	1.0.4.34	Trust: 1.6
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.44	Trust: 1.6
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.4.1.30	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:	r6400	scope:	lt	version:	1.0.2.62	Trust: 1.0
vendor:	netgear	model:	d7000	scope:	lt	version:	1.0.0.52	Trust: 1.0
vendor:	netgear	model:	d6220	scope:	eq	version:	1.0.0.48	Trust: 0.8
vendor:	netgear	model:	d6400	scope:	eq	version:	1.0.0.82	Trust: 0.8
vendor:	netgear	model:	d7000	scope:	eq	version:	1.0.0.52	Trust: 0.8
vendor:	netgear	model:	d8500	scope:	eq	version:	1.0.3.43	Trust: 0.8
vendor:	netgear	model:	r6250	scope:	eq	version:	1.0.4.34	Trust: 0.8
vendor:	netgear	model:	r6400	scope:	eq	version:	1.0.1.44	Trust: 0.8
vendor:	netgear	model:	r6400	scope:	eq	version:	1.0.2.62	Trust: 0.8
vendor:	netgear	model:	r7000p	scope:	eq	version:	1.4.1.30	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:	d7000v2	scope:	lt	version:	1.0.0.52	Trust: 0.6
vendor:	netgear	model:	r6400v2	scope:	lt	version:	1.0.2.62	Trust: 0.6

sources: CNVD: CNVD-2020-30690 // JVNDB: JVNDB-2019-015413 // NVD: CVE-2019-20719

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-20719
value:	MEDIUM
Trust: 1.0
cve@mitre.org:	CVE-2019-20719
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2019-015413
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2020-30690
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1303
value:	MEDIUM
Trust: 0.6

nvd@nist.gov:	CVE-2019-20719
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-2019-015413
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-2020-30690
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-2019-20719
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-2019-20719
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-2019-015413
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-2020-30690 // JVNDB: JVNDB-2019-015413 // CNNVD: CNNVD-202004-1303 // NVD: CVE-2019-20719 // NVD: CVE-2019-20719

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2019-015413 // NVD: CVE-2019-20719

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202004-1303

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-1303

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-015413

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers and Gateways, PSV-2018-0194	url:	https://kb.netgear.com/000061209/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0194	Trust: 0.8
title:	Patch for Multiple NETGEAR product buffer overflow vulnerabilities (CNVD-2020-30690)	url:	https://www.cnvd.org.cn/patchInfo/show/219477	Trust: 0.6
title:	Multiple NETGEAR Product Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=116572	Trust: 0.6

sources: CNVD: CNVD-2020-30690 // JVNDB: JVNDB-2019-015413 // CNNVD: CNNVD-202004-1303

EXTERNAL IDS

db:	NVD	id:	CVE-2019-20719	Trust: 3.0
db:	JVNDB	id:	JVNDB-2019-015413	Trust: 0.8
db:	CNVD	id:	CNVD-2020-30690	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1303	Trust: 0.6

sources: CNVD: CNVD-2020-30690 // JVNDB: JVNDB-2019-015413 // CNNVD: CNNVD-202004-1303 // NVD: CVE-2019-20719

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2019-20719	Trust: 2.0
url:	https://kb.netgear.com/000061209/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-and-gateways-psv-2018-0194	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-20719	Trust: 0.8

sources: CNVD: CNVD-2020-30690 // JVNDB: JVNDB-2019-015413 // CNNVD: CNNVD-202004-1303 // NVD: CVE-2019-20719

CREDITS

Wayne Low of Fortinets FortiGuard Labs

Trust: 0.6

sources: CNNVD: CNNVD-202004-1303

SOURCES

db:	CNVD	id:	CNVD-2020-30690
db:	JVNDB	id:	JVNDB-2019-015413
db:	CNNVD	id:	CNNVD-202004-1303
db:	NVD	id:	CVE-2019-20719

LAST UPDATE DATE

2024-11-23T23:04:26.067000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-30690	date:	2020-05-29T00:00:00
db:	JVNDB	id:	JVNDB-2019-015413	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1303	date:	2020-04-26T00:00:00
db:	NVD	id:	CVE-2019-20719	date:	2024-11-21T04:39:10.643

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-30690	date:	2020-05-29T00:00:00
db:	JVNDB	id:	JVNDB-2019-015413	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1303	date:	2020-04-16T00:00:00
db:	NVD	id:	CVE-2019-20719	date:	2020-04-16T19:15:25.087