Learn about CVE-2023-40125, a critical elevation of privilege vulnerability in Google Android's ApnEditor.java function, enabling unauthorized users to modify APN settings.
Understanding CVE-2023-40125
A detailed overview of the CVE-2023-40125 vulnerability affecting Google Android.
What is CVE-2023-40125?
The CVE-2023-40125 vulnerability, assigned by Google Android, involves a potential elevation of privilege issue in the onCreate function of ApnEditor.java. It allows a Guest user to modify the Access Point Name (APN) configuration through a permission bypass. This exploit can result in a local escalation of privilege without requiring additional user privileges or interactions.
The Impact of CVE-2023-40125
The impact of this vulnerability is significant as it enables unauthorized users to manipulate APN settings, potentially leading to further system compromise and unauthorized access.
Technical Details of CVE-2023-40125
An in-depth look into the technical aspects of CVE-2023-40125.
Vulnerability Description
The vulnerability lies in the onCreate function of ApnEditor.java, allowing Guest users to modify APN configurations via a permission bypass, leading to local privilege escalation.
Affected Systems and Versions
Google Android versions 11, 12, 12L, and 13 are affected by this vulnerability, posing a serious threat to devices running these operating system versions.
Exploitation Mechanism
The vulnerability exploits a flaw in the APN editing process, enabling unauthorized users to circumvent permissions and alter crucial network settings.
Mitigation and Prevention
Effective strategies to mitigate and prevent the CVE-2023-40125 vulnerability.
Immediate Steps to Take
It is crucial to apply security updates provided by Google Android to patch the vulnerability promptly. Additionally, restrict guest user access and monitor APN changes closely.
Long-Term Security Practices
Implement comprehensive user permission management and regularly update device operating systems to ensure protection against known vulnerabilities.
Patching and Updates
Stay informed about security bulletins and patches released by Google Android to address vulnerabilities like CVE-2023-40125 and enhance the overall security posture of your devices.