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GoogleOSV:ASB-A-242996180

HistoryDec 01, 2022 - 12:00 a.m.

Bypass of device carrier restrictions (OS Version = android 12)

2022-12-0100:00:00

Google

osv.dev

os version android 12

deletepackagehelper.java

permissions bypass

local privilege escalation

user interaction not needed

software

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 deletePackageVersionedInternal of DeletePackageHelper.java, there is a possible way to bypass carrier restrictions due to a permissions 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/baseeq13
platform/frameworks/baseeq12L
platform/frameworks/baseeq10
platform/frameworks/baseeq12
platform/frameworks/baseeq11

Name	Operator	Version
platform/frameworks/base	eq	13
platform/frameworks/base	eq	12L
platform/frameworks/base	eq	10
platform/frameworks/base	eq	12
platform/frameworks/base	eq	11

References

android.googlesource.com/platform/frameworks/base/+/3ac6aa1e4daeb646bdb40813e988d1013d72150c

source.android.com/security/bulletin/2022-12-01

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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