CVE-2018-3891

An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.

CVSS v3 4.6 MEDIUM
CVSS v2.0 2.1 LOW

4.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566	Exploit Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:yitechnology:yi_home_camera_firmware:1.8.7.0d:*:*:*:*:*:*:*

cpe:2.3:h:yitechnology:yi_home_camera:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:06

Type	Values Removed	Values Added
References	~~() https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566 - Exploit, Third Party Advisory~~	() https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566 - Exploit, Third Party Advisory

Information

Published : 2018-11-02 17:29

Updated : 2024-11-21 04:06

NVD link : CVE-2018-3891

Mitre link : CVE-2018-3891

CVE.ORG link : CVE-2018-3891

JSON object : View

Products Affected

yitechnology

yi_home_camera_firmware
yi_home_camera

CWE

NVD-CWE-Other

{"id": "CVE-2018-3891", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.7, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 0.9}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.9}]}, "published": "2018-11-02T17:29:00.287", "references": [{"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad explotable de degradaci\u00f3n de firmware en la funcionalidad de actualizaci\u00f3n de firmware de Yi Home Camera 27US 1.8.7.0D. Un archivo especialmente manipulado puede provocar un error de l\u00f3gica que resulta en la degradaci\u00f3n del firmware. Un atacante puede insertar una tarjeta SD para provocar esta vulnerabilidad."}], "lastModified": "2024-11-21T04:06:14.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:yitechnology:yi_home_camera_firmware:1.8.7.0d:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B11F5A23-96F7-4FC9-B5DB-FC1D9F5C00C6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:yitechnology:yi_home_camera:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D317FA89-351E-4921-B72B-4EC3FFA18791"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "talos-cna@cisco.com"}