CVE-2022-21770

In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663.

CVSS v3.0 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/July-2022	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*

OR	cpe:2.3:h:mediatek:mt6877:-:::::::*
	cpe:2.3:h:mediatek:mt6893:-:::::::*
	cpe:2.3:h:mediatek:mt8791:-:::::::*
	cpe:2.3:h:mediatek:mt8797:-:::::::*
	cpe:2.3:h:mediatek:mt6781:-:::::::*
	cpe:2.3:h:mediatek:mt6879:-:::::::*
	cpe:2.3:h:mediatek:mt6983:-:::::::*
	cpe:2.3:h:mediatek:mt6895:-:::::::*
	cpe:2.3:h:mediatek:mt8798:-:::::::*

Information

Published : 2022-07-06 07:15

Updated : 2022-07-14 04:15

NVD link : CVE-2022-21770

Mitre link : CVE-2022-21770

JSON object : View

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

Advertisement

Products Affected

google

android

mediatek

mt6983
mt6893
mt6895
mt8791
mt8797
mt6879
mt6877
mt6781
mt8798

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://corp.mediatek.com/product-security-bulletin/July-2022", "name": "https://corp.mediatek.com/product-security-bulletin/July-2022", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-59"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-21770", "ASSIGNER": "security@mediatek.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}}, "publishedDate": "2022-07-06T14:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-07-14T11:15Z"}