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osvGoogleOSV:ASB-A-229793943
HistoryNov 01, 2022 - 12:00 a.m.

AlwaysOnHotwordDetector allows hotword detection without CAPTURE_AUDIO_HOTWORD permission

2022-11-0100:00:00
Google
osv.dev
3
alwaysonhotworddetector
microphone
permission check
exploitation
privilege escalation
background access
security risk
software

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

In AlwaysOnHotwordDetector of AlwaysOnHotwordDetector.java, there is a possible way to access the microphone from the background 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.

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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