PT-2021-13111 · Google · Android

Published 2021-11-01 · Updated 2022-07-12 · CVE-2021-0434

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions 9 through 11

Description: The issue allows a malicious Bluetooth device to acquire permissions through a phishing attack due to insufficient information presented to the user in the consent dialog. This could lead to local escalation of privilege with no additional execution privileges needed, requiring user interaction for exploitation.

Recommendations: For Android versions 9 through 11, update to a version that includes the fix for this issue, as specified in the Android security bulletin.

Fix

Related Identifiers

ASB-A-167403112

CVE-2021-0434

Affected Products

Android

References · 10

• https://source.android.com/security/bulletin/2021-11-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0434 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0434 · Security Note
• https://osv.dev/vulnerability/ASB-A-167403112 · Vendor Advisory
• https://android.googlesource.com/platform/packages/apps/Settings/+/8fe8e0fc211d4f36cce2865a17c834573ec25211 · Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/fa504b8e01405fa529670b6ac6112d0241c2ff86 · Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/80d8b03d027f3dffb85958f849be3b5316791107 · Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/10e459921953825d34e70cc4da846aac703d913c · Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/65e3c68e6fbfb1d6762718a190416a2bff36962c · Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/a5046f219a545246f244f0dc003eefdeb1dfeb93 · Note