PT-2021-13362 · Google · Android

Published 2021-11-01 · Updated 2023-08-08 · CVE-2021-0933

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions 9 through 12

Description The issue is related to improper input validation in the onCreate method of certain activities, allowing HTML tags to interfere with a consent dialog. This could lead to remote escalation of privilege, potentially tricking the user into accepting the pairing of a malicious Bluetooth device. User interaction is required for exploitation.

Recommendations For Android versions 9 through 12, update to a version that includes the fix for this issue, as specified in the Android security bulletin.

Fix

Improper Encoding or Escaping of Output

RCE

Weakness Enumeration

CWE-116

CWE-20

Related Identifiers

ASB-A-172251622

CVE-2021-0933

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/2021-11-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-172251622 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0933 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0933 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/cb890336d6a8056cc46ed01a908ad8f70e3880b6 · Note