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ID

VAR-202004-1663


CVE

CVE-2018-21217


TITLE

plural NETGEAR Classic buffer overflow vulnerability in the product

Trust: 0.8

sources: JVNDB: JVNDB-2018-016342

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, and R6100 before 1.0.1.20. plural NETGEAR The product contains a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR D3600, etc. are all products of NETGEAR. NETGEAR D3600 is a wireless modem. NETGEAR D6100 is a wireless modem. NETGEAR R6100 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. This affects D3600 prior to 1.0.0.67, D6000 prior to 1.0.0.67, D6100 prior to 1.0.0.56, and R6100 prior to 1.0.1.20

Trust: 2.25

sources: NVD: CVE-2018-21217 // JVNDB: JVNDB-2018-016342 // CNVD: CNVD-2021-46569 // VULMON: CVE-2018-21217

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-46569

AFFECTED PRODUCTS

vendor:netgearmodel:r6100scope:ltversion:1.0.1.20

Trust: 1.6

vendor:netgearmodel:d3600scope:ltversion:1.0.0.67

Trust: 1.6

vendor:netgearmodel:d6000scope:ltversion:1.0.0.67

Trust: 1.6

vendor:netgearmodel:d6100scope:ltversion:1.0.0.56

Trust: 1.6

vendor:netgearmodel:d3600scope:eqversion:1.0.0.67

Trust: 0.8

vendor:netgearmodel:d6000scope:eqversion:1.0.0.67

Trust: 0.8

vendor:netgearmodel:d6100scope:eqversion:1.0.0.56

Trust: 0.8

vendor:netgearmodel:r6100scope:eqversion:1.0.1.20

Trust: 0.8

sources: CNVD: CNVD-2021-46569 // JVNDB: JVNDB-2018-016342 // NVD: CVE-2018-21217

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-21217
value: HIGH

Trust: 1.0

cve@mitre.org: CVE-2018-21217
value: HIGH

Trust: 1.0

NVD: JVNDB-2018-016342
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-46569
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202004-2297
value: HIGH

Trust: 0.6

VULMON: CVE-2018-21217
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2018-21217
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

NVD: JVNDB-2018-016342
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT NETWORK
accessComplexity: LOW
authentication: NONE
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-2021-46569
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2018-21217
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/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: 3.1

Trust: 1.0

cve@mitre.org: CVE-2018-21217
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-2018-016342
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 NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-46569 // VULMON: CVE-2018-21217 // JVNDB: JVNDB-2018-016342 // CNNVD: CNNVD-202004-2297 // NVD: CVE-2018-21217 // NVD: CVE-2018-21217

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2018-016342 // NVD: CVE-2018-21217

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202004-2297

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-2297

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-016342

PATCH
title:Security Advisory for Pre-Authentication Buffer Overflow on Some Routers and Gateways, PSV-2017-2484url:https://kb.netgear.com/000055120/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2484
Trust: 0.8
title:Patch for Buffer overflow vulnerabilities in multiple NETGEAR products (CNVD-2021-46569)url:https://www.cnvd.org.cn/patchInfo/show/276406
Trust: 0.6
title:Multiple NETGEAR Product Buffer Error Vulnerability Fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=117389
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2021-46569 // 
            
            
            
            JVNDB: JVNDB-2018-016342 // 
            
            
            
            CNNVD: CNNVD-202004-2297

EXTERNAL IDS
db:NVDid:CVE-2018-21217
Trust: 3.1
db:JVNDBid:JVNDB-2018-016342
Trust: 0.8
db:CNVDid:CNVD-2021-46569
Trust: 0.6
db:CNNVDid:CNNVD-202004-2297
Trust: 0.6
db:VULMONid:CVE-2018-21217
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2021-46569 // 
            
            
            
            VULMON: CVE-2018-21217 // 
            
            
            
            JVNDB: JVNDB-2018-016342 // 
            
            
            
            CNNVD: CNNVD-202004-2297 // 
            
            
            
            NVD: CVE-2018-21217

REFERENCES
url:https://nvd.nist.gov/vuln/detail/cve-2018-21217
Trust: 2.0
url:https://kb.netgear.com/000055120/security-advisory-for-pre-authentication-buffer-overflow-on-some-routers-and-gateways-psv-2017-2484
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-21217
Trust: 0.8
url:https://cwe.mitre.org/data/definitions/120.html
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2021-46569 // 
            
            
            
            VULMON: CVE-2018-21217 // 
            
            
            
            JVNDB: JVNDB-2018-016342 // 
            
            
            
            CNNVD: CNNVD-202004-2297 // 
            
            
            
            NVD: CVE-2018-21217

SOURCES
db:CNVDid:CNVD-2021-46569
db:VULMONid:CVE-2018-21217
db:JVNDBid:JVNDB-2018-016342
db:CNNVDid:CNNVD-202004-2297
db:NVDid:CVE-2018-21217

LAST UPDATE DATE
2024-11-23T22:51:26.036000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2021-46569date:2021-07-02T00:00:00
db:VULMONid:CVE-2018-21217date:2020-05-01T00:00:00
db:JVNDBid:JVNDB-2018-016342date:2020-06-01T00:00:00
db:CNNVDid:CNNVD-202004-2297date:2020-05-06T00:00:00
db:NVDid:CVE-2018-21217date:2024-11-21T04:03:12.180

SOURCES RELEASE DATE
db:CNVDid:CNVD-2021-46569date:2021-07-01T00:00:00
db:VULMONid:CVE-2018-21217date:2020-04-28T00:00:00
db:JVNDBid:JVNDB-2018-016342date:2020-06-01T00:00:00
db:CNNVDid:CNNVD-202004-2297date:2020-04-28T00:00:00
db:NVDid:CVE-2018-21217date:2020-04-28T16:15:14.263