PT-2021-12997 · Google · Android

Published 2021-02-01 · Updated 2021-02-12 · CVE-2021-0314

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions Android-8.1 through Android-11

Description: In the onCreate of UninstallerActivity, there is a possible way to uninstall all without informed user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.

Recommendations: For Android versions Android-8.1 through Android-11, consider restricting access to the UninstallerActivity to minimize the risk of exploitation until a patch is available. As a temporary workaround, avoid using the UninstallerActivity until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Clickjacking

Weakness Enumeration

CWE-1021

Related Identifiers

ASB-A-171221302

CVE-2021-0314

Affected Products

Android

References · 7

• https://osv.dev/vulnerability/CVE-2021-0314 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0314 · Security Note
• https://source.android.com/security/bulletin/2021-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-171221302 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/90cfe17643aa4ecbe7cbfb1c787217456f764e08 · Note
• https://t.me/cvenotify/9734 · Telegram Post
• https://t.me/cibsecurity/23367 · Telegram Post