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GoogleOSV:ASB-A-244423101

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

Bypass fix of CVE-2022-20347: Making bluetooth discoverable via SettingsIntelligence#SliceDeepLinkTrampoline to start Settings#BluetoothDashboardFragment

2023-02-0100:00:00

Google

osv.dev

cve-2022-20347

bluetooth

permission bypass

bluetoothswitchpreferencecontroller.java

remote escalation

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

51.6%

JSON

In onStart of BluetoothSwitchPreferenceController.java, there is a possible permission bypass due to a confused deputy. This could lead to remote escalation of privilege in Bluetooth settings with no additional execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
platform/packages/apps/settingseq11
platform/packages/apps/settingseq12
platform/packages/apps/settingseq13
platform/packages/apps/settingseq12L

Name	Operator	Version
platform/packages/apps/settings	eq	11
platform/packages/apps/settings	eq	12
platform/packages/apps/settings	eq	13
platform/packages/apps/settings	eq	12L

References

android.googlesource.com/platform/packages/apps/Settings/+/9d2b2ca5d86be94e94f70c124a80b4db9d7a3fd0

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

51.6%

JSON

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