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GoogleOSV:ASB-A-258672042

HistoryFeb 01, 2023 - 12:00 a.m.

Microphone privacy indicator can be bypassed by any app

2023-02-0100:00:00

Google

osv.dev

microphone

privacy

permissions

bypass

localprivilegeescalation

exploitation

software

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

In resolveAttributionSource of ServiceUtilities.cpp, there is a possible way to disable the microphone privacy indicator due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

android.googlesource.com/platform/frameworks/av/+/078b6a44e4bcd8e91a9935d93e25166e27552c74

android.googlesource.com/platform/frameworks/base/+/7fa5e42281f9ceb827b594cfee598a1814ac2c50

source.android.com/security/bulletin/2023-02-01

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

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