PT-2023-17930 · Google · Android

Published 2023-06-01 · Updated 2024-12-17 · CVE-2023-21138

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 improper input validation in the onNullBinding method of CallRedirectionProcessor.java, which can lead to a long-lived connection. This could result in local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not required 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.

Incorrect Default Permissions

RCE

Weakness Enumeration

CWE-276

CWE-20

Related Identifiers

ASB-A-273260090

CVE-2023-21138

Affected Products

Android

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2023-21138 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21138 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-273260090 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-06-01 · Vendor Advisory
• https://t.me/cvenotify/104605 · Telegram Post
• https://android.googlesource.com/platform/packages/services/Telecomm/+/33368bad6f837f1084da8e71917653817e714b1d · Note