PT-2021-13422 · Google · Android

Published 2021-12-15 · Updated 2021-12-20 · CVE-2021-1017

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 version Android-12

Description In the AdapterService and GattService definition of AndroidManifest.xml, there is a possible way to disable bluetooth connection due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

Recommendations For Android version Android-12, update to a version that includes the fix for the missing permission check in the AdapterService and GattService definition of AndroidManifest.xml. As a temporary workaround, consider restricting access to the bluetooth connection functionality until a patch is available.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-1017

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1017 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1017 · Vendor Advisory
• https://t.me/cibsecurity/34090 · Telegram Post
• https://t.me/cvenotify/24662 · Telegram Post