PT-2023-17876 · Google · Android

Published 2023-04-01 · Updated 2025-02-05 · CVE-2023-21083

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-11 through Android-13

Description The issue is related to a permissions bypass in the onNullBinding method of CallScreeningServiceHelper.java, allowing audio recording without displaying a privacy indicator. This could lead to local escalation of privilege, requiring User execution privileges. No user interaction is needed for exploitation.

Recommendations For Android versions Android-11 through Android-13, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

ASB-A-252762941

CVE-2023-21083

Affected Products

Android

References · 6

• https://osv.dev/vulnerability/CVE-2023-21083 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-252762941 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21083 · Security Note
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://android.googlesource.com/platform/packages/services/Telecomm/+/8b32e15214910a310e5f7391e739ac1043af3bf9 · Note
• https://t.me/cvenotify/110164 · Telegram Post