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[email protected]NVD:CVE-2023-21092

HistoryApr 19, 2023 - 8:15 p.m.

CVE-2023-21092

2023-04-1920:15:11

[email protected]

web.nvd.nist.gov

cve-2023-21092

dynamic broadcastreceiver registration

improper input validation

local privilege escalation

android-11

android-12

android-12l

android-13

a-242040055

system app permissions

CVSS3

7.8

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

EPSS

Percentile

5.1%

JSON

In retrieveServiceLocked of ActiveServices.java, there is a possible way to dynamically register a BroadcastReceiver using permissions of System App due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-242040055

Affected configurations

Nvd

Node

googleandroidMatch11.0

googleandroidMatch12.0

googleandroidMatch12.1

googleandroidMatch13.0

References

source.android.com/security/bulletin/2023-04-01

CVSS3

7.8

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

EPSS

Percentile

5.1%

JSON

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