PT-2023-17703 · Google · Android

Published 2023-01-01 · Updated 2023-02-02 · CVE-2023-20913

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-10 through Android-13

Description The issue is related to a tapjacking/overlay attack in the PhoneAccountSettingsActivity.java file, which could mislead users into enabling a malicious phone account. This could lead to local escalation of privilege, requiring user interaction for exploitation and needing User execution privileges.

Recommendations For Android versions Android-10 through Android-13, consider restricting access to the PhoneAccountSettingsActivity until a patch is available. As a temporary workaround, avoid enabling new phone accounts from untrusted sources to minimize the risk of exploitation.

Fix

Clickjacking

Weakness Enumeration

CWE-1021

Related Identifiers

ASB-A-246933785

CVE-2023-20913

Affected Products

Android

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2023-20913 · Security Note
• https://osv.dev/vulnerability/ASB-A-246933785 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-01-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20913 · Vendor Advisory
• https://t.me/cibsecurity/56943 · Telegram Post
• https://android.googlesource.com/platform/packages/services/Telephony/+/1b508c878abf7fb44ecc180d4e102fd25aa920a0 · Note