PT-2023-17701 · Google · Android

Published 2023-03-01 · Updated 2023-03-29 · CVE-2023-20911

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 a possible failure to persist permission settings due to resource exhaustion in the addPermission method of PermissionManagerServiceImpl.java. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-11 through Android-13, consider restricting access to the addPermission method of PermissionManagerServiceImpl.java to minimize the risk of exploitation until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ASB-A-242537498

CVE-2023-20911

Affected Products

Android

References · 7

• https://osv.dev/vulnerability/CVE-2023-20911 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-242537498 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20911 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/1d86c8b29922525972559e00e26c1fcd6f496353 · Note
• https://t.me/cibsecurity/60711 · Telegram Post
• https://t.me/cvenotify/47074 · Telegram Post