PT-2022-11072 · Google · Android

Published 2022-04-01 · Updated 2022-04-18 · CVE-2021-39797

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-12 through Android-12L

Description The issue is caused by a logic error in the code of several functions in LauncherApps.java, which could lead to a local escalation of privilege. No additional execution privileges are needed for exploitation, and user interaction is not required.

Recommendations For Android versions Android-12 through Android-12L, consider restricting access to the vulnerable functions in LauncherApps.java until a patch is available. As a temporary workaround, review the code logic in LauncherApps.java to identify and mitigate potential escalation of privilege vulnerabilities.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

ASB-A-209607104

CVE-2021-39797

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2022-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39797 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39797 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-209607104 · Vendor Advisory
• https://t.me/cibsecurity/40626 · Telegram Post
• https://android.googlesource.com/platform/frameworks/base/+/c3ea2d31568121d012a0da7cbe8260f1304ca19f · Note