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GoogleOSV:ASB-A-270152142

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

Ability to start arbitrary components in Launcher3 via Legacy Shortcut

2023-09-0100:00:00

Google

osv.dev

launcher3

legacy shortcut

local privilege escalation

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.9%

JSON

In hasPermissionForActivity of PackageManagerHelper.java, there is a possible way to start arbitrary components due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

CPENameOperatorVersion
platform/packages/apps/launcher3eq12
platform/packages/apps/launcher3eq13
platform/packages/apps/launcher3eq11
platform/packages/apps/launcher3eq12L

Name	Operator	Version
platform/packages/apps/launcher3	eq	12
platform/packages/apps/launcher3	eq	13
platform/packages/apps/launcher3	eq	11
platform/packages/apps/launcher3	eq	12L

References

android.googlesource.com/platform/packages/apps/Launcher3/+/09f8b0e52e45a0b39bab457534ba2e5ae91ffad0

source.android.com/security/bulletin/2023-09-01

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.9%

JSON

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