PT-2021-13011 · Google · Android

Published 2021-02-01 · Updated 2021-02-12 · CVE-2021-0330

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-9 through Android-11

Description: The issue is related to a possible use-after-free due to improper locking in the add user ce and remove user ce functions of storaged.cpp. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations: For Android versions Android-9 through Android-11, consider applying the necessary patches or fixes to resolve the improper locking issue in storaged.cpp to prevent potential local escalation of privilege. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ASB-A-170732441

CVE-2021-0330

Affected Products

Android

References · 6

• https://osv.dev/vulnerability/ASB-A-170732441 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0330 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0330 · Security Note
• https://android.googlesource.com/platform/system/core/+/79fc288f10814d5862a2320d0e0732040a4823fe · Note
• https://t.me/cibsecurity/23369 · Telegram Post