PT-2023-17886 · Google · Android

Published 2023-04-01 · Updated 2023-04-29 · CVE-2023-21092

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-13

Description The issue is related to improper input validation in the retrieveServiceLocked function of ActiveServices.java, allowing for the dynamic registration of a BroadcastReceiver using system app permissions. This could lead to local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-11 through Android-13, update to a version that includes the fix for this issue, as described in Android ID: A-242040055.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ASB-A-242040055

CVE-2023-21092

Affected Products

Android

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2023-21092 · Security Note
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-242040055 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21092 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/cdd30b5c040ba7ebd0a1cc6009183ff602434fc0 · Note