Wallpaper Service BAL Abuse

2024-02-0100:00:00

Google

osv.dev

backgroundlaunchprocesscontroller

arbitrary activity

local privilege escalation

wallpaper service

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

JSON

In BackgroundLaunchProcessController, there is a possible way to launch arbitrary activity from the background due to BAL 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/baseeq12L
platform/frameworks/baseeq11
platform/frameworks/baseeq12
platform/frameworks/baseeq13

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

References

android.googlesource.com/platform/frameworks/base/+/653f7b0d234693309dc86161af01831b64033fe6

source.android.com/security/bulletin/2024-02-01