use after free in Android Binder (CVE-2023-20938) #shorts #breaking

CVE

CVE-2023-20938 is a security vulnerability identified as a 'use after free' issue in the Android Binder component. Discovered approximately 8 months ago, this flaw is not classified as a zero-day vulnerability. While there are no specific tools associated with its exploitation and no detailed records on who has been attacked, it primarily impacts the Android kernel. This vulnerability could allow hackers to perform a local escalation of privilege, potentially gaining elevated access to the compromised Android device. All users of Android devices should be informed about this security concern.

Watch the full video on YouTube: CVE-2023-20938

Remediation and exploitation details

This chain involves the following actors

This following systems are involved

Attack entry point

Remediation actions

Exploitation actions

CVE database technical details

CVE ID

CVE-2023-20938

Description

In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257685302References: Upstream kernel

Provider

google_android

CWE / problem types

Elevation of privilege

Affected Software Versions

n/a:Android:[{'version': 'Android kernel', 'status': 'affected'}]

Date Published

2023-02-28T00:00:00

Last Updated

2024-08-02T09:21:33.455Z