CVE-2018-11593

Espruino before 1.99 allows attackers to cause a denial of service (application crash) and potential Information Disclosure with a user crafted input file via a Buffer Overflow during syntax parsing because strncpy is misused in jslex.c.

CVSS v3 7.1 HIGH
CVSS v2.0 5.8 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/espruino/Espruino/commit/bed844f109b6c222816740555068de2e101e8018	Patch Vendor Advisory
https://github.com/espruino/Espruino/files/2019228/eh_0.txt	Exploit Vendor Advisory
https://github.com/espruino/Espruino/issues/1426	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:espruino:espruino:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-05-31 16:29

Updated : 2023-12-10 12:30

NVD link : CVE-2018-11593

Mitre link : CVE-2018-11593

CVE.ORG link : CVE-2018-11593

JSON object : View

Products Affected

espruino

espruino

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2018-11593", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2018-05-31T16:29:00.393", "references": [{"url": "https://github.com/espruino/Espruino/commit/bed844f109b6c222816740555068de2e101e8018", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/espruino/Espruino/files/2019228/eh_0.txt", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/espruino/Espruino/issues/1426", "tags": ["Issue Tracking", "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": "Espruino before 1.99 allows attackers to cause a denial of service (application crash) and potential Information Disclosure with a user crafted input file via a Buffer Overflow during syntax parsing because strncpy is misused in jslex.c."}, {"lang": "es", "value": "Espruino en versiones anteriores a la 1.99 permite que los atacantes provoquen una denegaci\u00f3n de servicio (cierre inesperado de la aplicaci\u00f3n) y, posiblemente, una divulgaci\u00f3n de informaci\u00f3n con un archivo de entrada manipulado por el usuario mediante un desbordamiento de b\u00fafer durante el an\u00e1lisis sint\u00e1ctico porque strncpy se emplea incorrectamente en jslex.c."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:espruino:espruino:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0AC819A2-4289-44FA-9EBB-12DC6DB5455F", "versionEndExcluding": "1.99"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}