PT-2022-14582 · Google · Android

Published 2022-08-01 · Updated 2022-08-12 · CVE-2022-20356

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-12L

Description The issue is related to improper input validation in the shouldAllowFgsWhileInUsePermissionLocked function of ActiveServices.java. This could allow starting a foreground service from the background, leading to local escalation of privilege without needing additional execution privileges. User interaction is not required for exploitation.

Recommendations For Android versions Android-11 through Android-12L, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

RCE

Weakness Enumeration

CWE-269

CWE-20

Related Identifiers

ASB-A-215003903

CVE-2022-20356

Affected Products

Android

References · 7

• https://osv.dev/vulnerability/CVE-2022-20356 · Vendor Advisory
• https://source.android.com/security/bulletin/2022-08-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-215003903 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20356 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/7fa1b4d0657c1fcf88a1588863e16e4e468201a1 · Note
• https://android.googlesource.com/platform/frameworks/base/+/05cd832c241a543feb3a833e75b56c6f253b05e9 · Note
• https://t.me/cibsecurity/47889 · Telegram Post