CVE-2018-21199

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, and WNDR4300 before 1.0.2.98.

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/000055150/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2593	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

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

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

Configuration 5 (hide)

AND

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

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

Configuration 6 (hide)

AND

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

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

Configuration 7 (hide)

AND

cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-04-28 16:15

Updated : 2024-02-28 17:47

NVD link : CVE-2018-21199

Mitre link : CVE-2018-21199

CVE.ORG link : CVE-2018-21199

JSON object : View

Products Affected

netgear

r7800
wndr4300_firmware
r6100_firmware
r7500
r9000_firmware
wndr4300
r6100
r7800_firmware
d7800_firmware
r7500_firmware
r9000
d7800

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2018-21199", "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": "2020-04-28T16:15:13.153", "references": [{"url": "https://kb.netgear.com/000055150/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2593", "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 D7800 before 1.0.1.30, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, and WNDR4300 before 1.0.2.98."}, {"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 D7800 versiones anteriores a 1.0.1.30, R6100 versiones anteriores a 1.0.1.22, R7500 versiones anteriores a 1.0.0.122, R7500v2 versiones anteriores a 1.0.3.24, R7800 versiones anteriores a 1.0.2.40, R9000 versiones anteriores a 1.0.2.52, y WNDR4300 versiones anteriores a 1.0.2.98."}], "lastModified": "2020-05-05T12:48:15.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0173E81F-5BE3-4249-A620-EC36AD109D75", "versionEndExcluding": "1.0.1.30"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DA2D4987-3726-4A72-8D32-592F59FAC46D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FFFF63B-46C8-49BF-8494-BB3322F14594", "versionEndExcluding": "1.0.1.22"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9F44A123-B256-428B-98C2-17570F2F32DC"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C38F66ED-C53D-40F4-9F1E-96254BCD8A0C", "versionEndExcluding": "1.0.3.24"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2E0DFBF4-E393-44AE-AEF9-1B2059EE5AE8"}], "operator": "OR"}], "operator": "AND"}, {"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:wndr4300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF96C0EB-8CB6-4C86-A9A2-A4C7AF58C97F", "versionEndExcluding": "1.0.2.98"}], "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:r7500_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F99E4DD-50CB-4B06-BDAF-DD56FF0E90CF", "versionEndExcluding": "1.0.0.122"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EF3B3F26-401C-4ED0-B871-4B4F8521F369"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}