PT-2023-17942 · Google · Android

Published 2023-06-28 · Updated 2023-06-30 · CVE-2023-21149

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 kernel

Description The issue is related to a missing permission check in the registerGsmaServiceIntentReceiver function of ShannonRcsService.java. This could allow for the activation or deactivation of the RCS service, leading to a local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android kernel, consider restricting access to the registerGsmaServiceIntentReceiver function in ShannonRcsService.java to prevent unauthorized activation or deactivation of the RCS service until a patch is available. 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

CVE-2023-21149

Affected Products

Android

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2023-21149 · Security Note
• https://source.android.com/security/bulletin/pixel/2023-06-01 · Vendor Advisory
• https://t.me/cibsecurity/65656 · Telegram Post
• https://t.me/cvenotify/53233 · Telegram Post