ID

VAR-202207-0263


CVE

CVE-2022-21769


TITLE

Multiple MediaTek chips CCCI input validation error vulnerability (CNVD-2022-88289)

Trust: 0.6

sources: CNVD: CNVD-2022-88289

DESCRIPTION

In CCCI, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06641673; Issue ID: ALPS06641687. MediaTek Inc. is the world's fourth-largest foundry semiconductor company. It is in a leading position in the markets of mobile terminals, smart home applications, wireless connection technology and Internet of Things products, with approximately 1.5 billion units a year End products with built-in MediaTek chips are available all over the world. Several MediaTek chips CCCIs have an input validation error vulnerability. The vulnerability stems from the lack of bounds checking in CCCI

Trust: 1.53

sources: NVD: CVE-2022-21769 // CNVD: CNVD-2022-88289 // VULMON: CVE-2022-21769

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-88289

AFFECTED PRODUCTS

vendor:googlemodel:androidscope:eqversion:12.0

Trust: 1.0

vendor:googlemodel:androidscope:eqversion:10.0

Trust: 1.0

vendor:googlemodel:androidscope:eqversion:11.0

Trust: 1.0

vendor:mediatekmodel:mt6580 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6580 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6737 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6737 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6739 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6739 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6761 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6761 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6765 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6765 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6768 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6768 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6779 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6779 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6781 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6781 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6785 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6785 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6833 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6833 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6873 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6873 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6877 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6877 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6883 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6883 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6885 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6885 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6889 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6889 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6983 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6983 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8321 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8321 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8667 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8667 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8675 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8675 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8765 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8765 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8766 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8766 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8768 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8768 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8786 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8786 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8788 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8788 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8789 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8789 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8797 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8797 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6853 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6853 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6879 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6879 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6893 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6893 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6895 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6895 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6735 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6735 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6771 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6771 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8791 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8791 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6753 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6753 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8666 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8666 android12.0scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-88289 // NVD: CVE-2022-21769

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-21769
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2022-88289
value: LOW

Trust: 0.6

CNNVD: CNNVD-202207-471
value: MEDIUM

Trust: 0.6

VULMON: CVE-2022-21769
value: LOW

Trust: 0.1

nvd@nist.gov: CVE-2022-21769
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

CNVD: CNVD-2022-88289
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2022-21769
baseSeverity: MEDIUM
baseScore: 4.4
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 0.8
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2022-88289 // VULMON: CVE-2022-21769 // CNNVD: CNNVD-202207-471 // NVD: CVE-2022-21769

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.0

sources: NVD: CVE-2022-21769

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202207-471

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202207-471

PATCH

title:Patch for Multiple MediaTek chips CCCI input validation error vulnerability (CNVD-2022-88289)url:https://www.cnvd.org.cn/patchInfo/show/354061

Trust: 0.6

title:Google Android Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=199245

Trust: 0.6

sources: CNVD: CNVD-2022-88289 // CNNVD: CNNVD-202207-471

EXTERNAL IDS

db:NVDid:CVE-2022-21769

Trust: 2.3

db:CNVDid:CNVD-2022-88289

Trust: 0.6

db:CS-HELPid:SB2022070819

Trust: 0.6

db:CNNVDid:CNNVD-202207-471

Trust: 0.6

db:VULMONid:CVE-2022-21769

Trust: 0.1

sources: CNVD: CNVD-2022-88289 // VULMON: CVE-2022-21769 // CNNVD: CNNVD-202207-471 // NVD: CVE-2022-21769

REFERENCES

url:https://corp.mediatek.com/product-security-bulletin/july-2022

Trust: 2.3

url:https://cxsecurity.com/cveshow/cve-2022-21769/

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2022070819

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/125.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-88289 // VULMON: CVE-2022-21769 // CNNVD: CNNVD-202207-471 // NVD: CVE-2022-21769

SOURCES

db:CNVDid:CNVD-2022-88289
db:VULMONid:CVE-2022-21769
db:CNNVDid:CNNVD-202207-471
db:NVDid:CVE-2022-21769

LAST UPDATE DATE

2024-08-14T12:45:42.260000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-88289date:2022-12-18T00:00:00
db:VULMONid:CVE-2022-21769date:2022-07-14T00:00:00
db:CNNVDid:CNNVD-202207-471date:2022-07-15T00:00:00
db:NVDid:CVE-2022-21769date:2022-07-14T10:17:11.280

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-88289date:2022-09-30T00:00:00
db:VULMONid:CVE-2022-21769date:2022-07-06T00:00:00
db:CNNVDid:CNNVD-202207-471date:2022-07-06T00:00:00
db:NVDid:CVE-2022-21769date:2022-07-06T14:15:17.383