PT-2021-13009 · Google · Android

Published 2021-02-01 · Updated 2022-07-12 · CVE-2021-0328

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-8.1 through Android-11

Description: The issue is related to a missing permission check in the onBatchScanReports and deliverBatchScan functions of GattService.java. This allows for the retrieval of Bluetooth scan results without the necessary permissions, potentially leading to local escalation of privilege. No additional execution privileges are needed, and user interaction is not required for exploitation.

Recommendations: For Android versions Android-8.1 through Android-11, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

ASB-A-172670415

CVE-2021-0328

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0328 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0328 · Security Note
• https://osv.dev/vulnerability/ASB-A-172670415 · Vendor Advisory
• https://android.googlesource.com/platform/packages/apps/Bluetooth/+/6f7f9bbf46acaaf266537256da4d0345909ea1c4 · Note
• https://t.me/cibsecurity/23380 · Telegram Post