PT-2022-11042 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39764

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-12L

Description The issue is related to improper input validation in Settings, which can lead to displaying an incorrect app name. This could result in local escalation of privilege via app spoofing, with no additional execution privileges needed. User interaction is required for exploitation.

Recommendations For Android version Android-12L, consider restricting access to the Settings app to minimize the risk of exploitation until a patch is available. As a temporary workaround, avoid using the affected Settings feature until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-39764

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-39764 · Vendor Advisory
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39764 · Security Note
• https://t.me/cibsecurity/39850 · Telegram Post