PT-2022-10977 · Google · Android

Published 2022-03-01 · Updated 2022-03-23 · CVE-2021-39694

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

Description The issue is related to a permissions bypass in the RoleParser.java parse, allowing default apps to obtain permissions that were explicitly denied by the user. This could lead to a local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android version Android-12, apply the fix provided by the Android security update to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

ASB-A-202312327

CVE-2021-39694

Affected Products

Android

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-39694 · Security Note
• https://source.android.com/security/bulletin/2022-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39694 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-202312327 · Vendor Advisory
• https://t.me/cibsecurity/39064 · Telegram Post