CVE-2021-30636

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04	Mitigation Third Party Advisory US Government Resource VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:mediatek:linkit_software_development_kit:*:*:*:*:*:*:*:*

History

28 Jan 2022, 03:02

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mediatek:linkit_software_development_kit::::::::
References	~~(MISC) https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 -~~	(MISC) https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 - Mitigation, Third Party Advisory, US Government Resource, VDB Entry
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
First Time		Mediatek Mediatek linkit Software Development Kit
CWE		CWE-190

24 Jan 2022, 01:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-01-24 01:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-30636

Mitre link : CVE-2021-30636

CVE.ORG link : CVE-2021-30636

JSON object : View

Products Affected

mediatek

linkit_software_development_kit

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2021-30636", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-01-24T01:15:07.870", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "tags": ["Mitigation", "Third Party Advisory", "US Government Resource", "VDB Entry"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc."}, {"lang": "es", "value": "En MediaTek LinkIt SDK versiones anteriores a 4.6.1, se presenta una posible corrupci\u00f3n de memoria debido a un desbordamiento de enteros durante la asignaci\u00f3n de memoria manejada inapropiadamente por pvPortCalloc y pvPortRealloc"}], "lastModified": "2022-01-28T03:02:04.510", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediatek:linkit_software_development_kit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FE47238-E88A-49C5-81AE-F3D4AE0D6282", "versionEndExcluding": "4.6.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}