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GoogleOSV:ASB-A-300904123

HistorySep 01, 2024 - 12:00 a.m.

App can keep its while in use permission forever even if it is in background.

2024-09-0100:00:00

Google

osv.dev

app permission

background maintenance

call screening service

local privilege escalation

user interaction

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

AI Score

7.3

Confidence

High

EPSS

Percentile

9.6%

JSON

In bindAndGetCallIdentification of CallScreeningServiceHelper.java, there is a possible way to maintain a while-in-use permission in the background due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

References

android.googlesource.com/platform/packages/services/Telecomm/+/eeef54b37a362f506ea3aa155baddc545b6a909a

source.android.com/security/bulletin/2024-09-01

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

AI Score

7.3

Confidence

High

EPSS

Percentile

9.6%

JSON

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