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GoogleOSV:ASB-A-240138294

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

Bundle writeToParcel/createFromParcel mismatch via LazyValue with negative length

2022-12-0100:00:00

Google

osv.dev

arbitrary code execution

parcel.java

confused deputy

local privilege escalation

no 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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In readLazyValue of Parcel.java, there is a possible loading of arbitrary code into the System Settings app due to a confused deputy. 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/+/1e41d33566f84f624f6a755e4493432d5bd82915

android.googlesource.com/platform/frameworks/base/+/569c3023f839bca077cd3cccef0a3bef9c31af63

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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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