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ID

VAR-202207-0264


CVE

CVE-2022-21777


TITLE

Google  of  Android  Vulnerability regarding lack of authentication in

Trust: 0.8

sources: JVNDB: JVNDB-2022-012849

DESCRIPTION

In Autoboot, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06713894; Issue ID: ALPS06713894. Google of Android Exists in a vulnerability related to the lack of authentication.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. MediaTek Inc. is the world's fourth largest fab semiconductor company, with a leading position in mobile terminals, smart home applications, wireless connectivity technologies and IoT products, with approximately 1.5 billion units a year End products with built-in MediaTek chips are available worldwide. A number of MediaTek chip Autoboot has an access control error vulnerability. The vulnerability stems from a lack of permission checking. Attackers can exploit the vulnerability to escalate permissions without requiring user interaction

Trust: 2.25

sources: NVD: CVE-2022-21777 // JVNDB: JVNDB-2022-012849 // CNVD: CNVD-2022-66247 // VULMON: CVE-2022-21777

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-66247

AFFECTED PRODUCTS

vendor:googlemodel:androidscope:eqversion:11.0

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vendor:googlemodel:androidscope:eqversion:12.0

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vendor:googlemodel:androidscope:eqversion: -

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vendor:googlemodel:androidscope: - version: -

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vendor:mediatekmodel:mt8168 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8168 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8365 android11.0scope: - version: -

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vendor:mediatekmodel:mt8365 android12.0scope: - version: -

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

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

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

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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: -

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

Trust: 0.6

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

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

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

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

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

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vendor:mediatekmodel:mt6875 android11.0scope: - version: -

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vendor:mediatekmodel:mt6875 android12.0scope: - version: -

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Trust: 0.6

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

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

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

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

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

Trust: 0.6

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

Trust: 0.6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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vendor:mediatekmodel:mt6891 android11.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt6891 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8167 android11.0scope: - version: -

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vendor:mediatekmodel:mt8167 android12.0scope: - version: -

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vendor:mediatekmodel:mt8167s android11.0scope: - version: -

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vendor:mediatekmodel:mt8167s android12.0scope: - version: -

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vendor:mediatekmodel:mt8173 android11.0scope: - version: -

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vendor:mediatekmodel:mt8173 android12.0scope: - version: -

Trust: 0.6

vendor:mediatekmodel:mt8185 android11.0scope: - version: -

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vendor:mediatekmodel:mt8185 android12.0scope: - version: -

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vendor:mediatekmodel:mt8362a android11.0scope: - version: -

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vendor:mediatekmodel:mt8362a android12.0scope: - version: -

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vendor:mediatekmodel:mt8385 android11.0scope: - version: -

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vendor:mediatekmodel:mt8385 android12.0scope: - version: -

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

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

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vendor:mediatekmodel:mt8175 android11.0scope: - version: -

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vendor:mediatekmodel:mt8175 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-2022-66247 // JVNDB: JVNDB-2022-012849 // NVD: CVE-2022-21777

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-21777
value: HIGH

Trust: 1.0

NVD: CVE-2022-21777
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-66247
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202207-463
value: HIGH

Trust: 0.6

VULMON: CVE-2022-21777
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2022-21777
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-66247
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2022-21777
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2022-21777
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-66247 // VULMON: CVE-2022-21777 // JVNDB: JVNDB-2022-012849 // CNNVD: CNNVD-202207-463 // NVD: CVE-2022-21777

PROBLEMTYPE DATA

problemtype:CWE-862

Trust: 1.0

problemtype:Lack of authentication (CWE-862) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2022-012849 // NVD: CVE-2022-21777

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202207-463

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202207-463

PATCH

title:Patch for Autoboot Access Control Error Vulnerabilities in Multiple MediaTek Chipsurl:https://www.cnvd.org.cn/patchInfo/show/353596

Trust: 0.6

title:MediaTek Autoboot Fixes for access control error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=199874

Trust: 0.6

sources: CNVD: CNVD-2022-66247 // CNNVD: CNNVD-202207-463

EXTERNAL IDS

db:NVDid:CVE-2022-21777

Trust: 3.9

db:JVNDBid:JVNDB-2022-012849

Trust: 0.8

db:CNVDid:CNVD-2022-66247

Trust: 0.6

db:CS-HELPid:SB2022070819

Trust: 0.6

db:CNNVDid:CNNVD-202207-463

Trust: 0.6

db:VULMONid:CVE-2022-21777

Trust: 0.1

sources: CNVD: CNVD-2022-66247 // VULMON: CVE-2022-21777 // JVNDB: JVNDB-2022-012849 // CNNVD: CNNVD-202207-463 // NVD: CVE-2022-21777

REFERENCES

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

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2022-21777

Trust: 1.4

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

Trust: 0.6

url:https://cxsecurity.com/cveshow/cve-2022-21777/

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/862.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-66247 // VULMON: CVE-2022-21777 // JVNDB: JVNDB-2022-012849 // CNNVD: CNNVD-202207-463 // NVD: CVE-2022-21777

SOURCES

db:CNVDid:CNVD-2022-66247
db:VULMONid:CVE-2022-21777
db:JVNDBid:JVNDB-2022-012849
db:CNNVDid:CNNVD-202207-463
db:NVDid:CVE-2022-21777

LAST UPDATE DATE

2024-08-14T12:44:19.391000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-66247date:2022-09-28T00:00:00
db:VULMONid:CVE-2022-21777date:2022-07-13T00:00:00
db:JVNDBid:JVNDB-2022-012849date:2023-09-01T08:17:00
db:CNNVDid:CNNVD-202207-463date:2022-07-14T00:00:00
db:NVDid:CVE-2022-21777date:2022-07-13T16:22:29.847

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-66247date:2022-09-29T00:00:00
db:VULMONid:CVE-2022-21777date:2022-07-06T00:00:00
db:JVNDBid:JVNDB-2022-012849date:2023-09-01T00:00:00
db:CNNVDid:CNNVD-202207-463date:2022-07-06T00:00:00
db:NVDid:CVE-2022-21777date:2022-07-06T14:15:17.790