PT-2023-17897 · Google · Android

Published 2023-05-15 · Updated 2025-01-24 · CVE-2023-21103

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-13

Description The issue arises from uncaught exceptions in parsing persisted user data within the registerPhoneAccount function of PhoneAccountRegistrar.java. This can lead to a local persistent denial of service without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-11 through Android-13, consider restricting access to the registerPhoneAccount function of PhoneAccountRegistrar.java to minimize the risk of exploitation until a patch is available.

Fix

Generation of Error Message Containing Sensitive Information

Weakness Enumeration

CWE-209

Related Identifiers

ASB-A-259064622

CVE-2023-21103

Affected Products

Android

References · 10

• https://osv.dev/vulnerability/CVE-2023-21103 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21103 · Security Note
• https://osv.dev/vulnerability/ASB-A-259064622 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-05-01 · Vendor Advisory
• https://t.me/cvenotify/51006 · Telegram Post
• https://t.me/cvenotify/50521 · Telegram Post
• https://android.googlesource.com/platform/packages/services/Telecomm/+/77e56baaab063bac6374e0ebe4f3941b91a1ae71 · Note
• https://android.googlesource.com/platform/frameworks/base/+/d697852919eeb26e161c9a426f89668bd3abb92d · Note
• https://source.android.com/security/bulletin/2023-11-01 · Note
• https://t.me/cvenotify/108517 · Telegram Post