Details of VAR-202004-1361

ID

VAR-202004-1361

CVE

CVE-2017-18758

TITLE

plural NETGEAR Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2017-014923

DESCRIPTION

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42. NETGEAR R6700 , R6800 , R6900 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 R6700, 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-2017-18758 // JVNDB: JVNDB-2017-014923 // CNVD: CNVD-2021-59164

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-59164

AFFECTED PRODUCTS

vendor:	netgear	model:	r6800	scope:	lt	version:	1.1.0.42	Trust: 1.6
vendor:	netgear	model:	r6700	scope:	lt	version:	1.1.0.42	Trust: 1.0
vendor:	netgear	model:	r6900	scope:	lt	version:	1.1.0.42	Trust: 1.0
vendor:	netgear	model:	r6700	scope:	eq	version:	1.1.0.42	Trust: 0.8
vendor:	netgear	model:	r6800	scope:	eq	version:	1.1.0.42	Trust: 0.8
vendor:	netgear	model:	r6900	scope:	eq	version:	1.1.0.42	Trust: 0.8
vendor:	netgear	model:	r6700v2	scope:	lt	version:	1.1.0.42	Trust: 0.6
vendor:	netgear	model:	r6900v2	scope:	lt	version:	1.1.0.42	Trust: 0.6

sources: CNVD: CNVD-2021-59164 // JVNDB: JVNDB-2017-014923 // NVD: CVE-2017-18758

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-18758
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2017-18758
value:	HIGH
Trust: 1.0
NVD:	JVNDB-2017-014923
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-59164
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1932
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2017-18758
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-2017-014923
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-2021-59164
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-2017-18758
baseSeverity:	HIGH
baseScore:	8.0
vectorString:	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.1
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2017-18758
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.0
Trust: 1.0
NVD:	JVNDB-2017-014923
baseSeverity:	HIGH
baseScore:	8.0
vectorString:	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-59164 // JVNDB: JVNDB-2017-014923 // CNNVD: CNNVD-202004-1932 // NVD: CVE-2017-18758 // NVD: CVE-2017-18758

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.8

sources: JVNDB: JVNDB-2017-014923 // NVD: CVE-2017-18758

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202004-1932

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-1932

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-014923

PATCH

title:	Security Advisory for Post-Authentication Stack Overflow on Some Routers, PSV-2017-2157	url:	https://kb.netgear.com/000051487/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2157	Trust: 0.8
title:	Patch for NETGEAR R6700v2, R6800 and R6900v2 buffer overflow vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/284346	Trust: 0.6
title:	NETGEAR R6700v2 , R6800 and R6900v2 Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=117007	Trust: 0.6

sources: CNVD: CNVD-2021-59164 // JVNDB: JVNDB-2017-014923 // CNNVD: CNNVD-202004-1932

EXTERNAL IDS

db:	NVD	id:	CVE-2017-18758	Trust: 3.0
db:	JVNDB	id:	JVNDB-2017-014923	Trust: 0.8
db:	CNVD	id:	CNVD-2021-59164	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1932	Trust: 0.6

sources: CNVD: CNVD-2021-59164 // JVNDB: JVNDB-2017-014923 // CNNVD: CNNVD-202004-1932 // NVD: CVE-2017-18758

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2017-18758	Trust: 2.0
url:	https://kb.netgear.com/000051487/security-advisory-for-post-authentication-stack-overflow-on-some-routers-psv-2017-2157	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-18758	Trust: 0.8

sources: CNVD: CNVD-2021-59164 // JVNDB: JVNDB-2017-014923 // CNNVD: CNNVD-202004-1932 // NVD: CVE-2017-18758

SOURCES

db:	CNVD	id:	CNVD-2021-59164
db:	JVNDB	id:	JVNDB-2017-014923
db:	CNNVD	id:	CNNVD-202004-1932
db:	NVD	id:	CVE-2017-18758

LAST UPDATE DATE

2024-11-23T22:25:32.652000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-59164	date:	2021-08-08T00:00:00
db:	JVNDB	id:	JVNDB-2017-014923	date:	2020-05-21T00:00:00
db:	CNNVD	id:	CNNVD-202004-1932	date:	2020-04-26T00:00:00
db:	NVD	id:	CVE-2017-18758	date:	2024-11-21T03:20:50.990

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-59164	date:	2021-08-08T00:00:00
db:	JVNDB	id:	JVNDB-2017-014923	date:	2020-05-21T00:00:00
db:	CNNVD	id:	CNNVD-202004-1932	date:	2020-04-22T00:00:00
db:	NVD	id:	CVE-2017-18758	date:	2020-04-22T17:15:12.103