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GoogleOSV:ASB-A-288896339

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

No permission checks on ActivityTaskManagerService#keyguardGoingAway

2023-12-0100:00:00

Google

osv.dev

keyguardgoingaway

activitytaskmanagerservice

local escalation

privilege

execution privileges

missing permission check

lock screen bypass

user interaction

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

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In keyguardGoingAway of ActivityTaskManagerService.java, there is a possible lock screen bypass 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.

CPENameOperatorVersion
platform/frameworks/baseeq14
platform/frameworks/baseeq13
platform/frameworks/baseeq12L
platform/frameworks/baseeq12
platform/frameworks/baseeq11

Name	Operator	Version
platform/frameworks/base	eq	14
platform/frameworks/base	eq	13
platform/frameworks/base	eq	12L
platform/frameworks/base	eq	12
platform/frameworks/base	eq	11

References

android.googlesource.com/platform/frameworks/base/+/1120bc7e511710b1b774adf29ba47106292365e7

source.android.com/security/bulletin/2023-12-01

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

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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