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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

7.8 High

CVSS3

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

0.0004 Low

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.

CPENameOperatorVersion
platform/frameworks/baseeq13
platform/frameworks/baseeq12L
platform/frameworks/aveq12
platform/frameworks/aveq12L
platform/frameworks/baseeq12
platform/frameworks/aveq13

Name	Operator	Version
platform/frameworks/base	eq	13
platform/frameworks/base	eq	12L
platform/frameworks/av	eq	12
platform/frameworks/av	eq	12L
platform/frameworks/base	eq	12
platform/frameworks/av	eq	13

References

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

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

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

7.8 High

CVSS3

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

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