CVE-2018-21172

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, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

CVSS v3 6.8 MEDIUM
CVSS v2.0 5.2 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.2^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 5.1 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000055186/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2631	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-27 18:15

Updated : 2024-02-28 17:47

NVD link : CVE-2018-21172

Mitre link : CVE-2018-21172

CVE.ORG link : CVE-2018-21172

JSON object : View

Products Affected

netgear

wndr4500_firmware
wndr3700_firmware
wnr2000_firmware
r9000_firmware
wnr2000
wndr3700
wndr4300
wndr4500
r7800_firmware
r9000
r7800
wndr4300_firmware

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2018-21172", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.2, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 5.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2020-04-27T18:15:12.967", "references": [{"url": "https://kb.netgear.com/000055186/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2631", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "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, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62."}, {"lang": "es", "value": "Determinados dispositivos NETGEAR est\u00e1n afectados por un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria por parte de un usuario autenticado. Esto afecta a R7800 versiones anteriores a 1.0.2.40, R9000 versiones anteriores a 1.0.2.52, WNDR3700v4 versiones anteriores a 1.0.2.92, WNDR4300 versiones anteriores a 1.0.2.94, WNDR4300v2 versiones anteriores a 1.0.0.50, WNDR4500v3 versiones anteriores a 1.0.0.50 y WNR2000v5 versiones anteriores a 1.0.0.62."}], "lastModified": "2020-05-01T20:11:36.567", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A2E62164-2324-4AF2-B300-8005DAD433B6", "versionEndExcluding": "1.0.2.40"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "17CF7445-6950-45FE-9D1A-E23F63316329"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679AAEA7-6415-4BBA-AE95-887C2CA609DC", "versionEndExcluding": "1.0.2.52"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D74F1BFC-562E-4E7D-BBAB-2F8B593B5A57"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90A3C8B6-51A9-49BC-8C82-01269519B652", "versionEndExcluding": "1.0.2.92"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "257A5E68-8EDC-44F5-A85C-83A91C93CCE5"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ACAD8DCD-C187-4F15-9828-F302295199BA", "versionEndExcluding": "1.0.2.94"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1413C591-D066-4FA2-BEB1-6C60F8645F28"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1425F7B0-0990-43F4-9621-8DAE8508FEED", "versionEndExcluding": "1.0.0.50"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4428B145-B86D-4709-BBA9-64BDE7D35A25"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81A6B7D4-1CBB-4D9E-8EB2-E5E82AFA59FA", "versionEndExcluding": "1.0.0.50"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C31D6808-4103-4543-B7AB-84A79CD12006"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27B33A47-E305-43CC-9AC2-C35DE8E51F02", "versionEndExcluding": "1.0.0.62"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "317F25FF-B3A2-4C68-888F-D2627C564867"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}