CVE-2023-21397 : Vulnerability Insights and Analysis

This CVE record pertains to a security vulnerability identified as CVE-2023-21397 in the Google Android operating system. The vulnerability was published on October 30, 2023, and is related to an elevation of privilege issue within the Setup Wizard of Android version 14.

Understanding CVE-2023-21397

This section delves deeper into the nature of CVE-2023-21397 and its potential impact on affected systems.

What is CVE-2023-21397?

CVE-2023-21397 involves a vulnerability in the Setup Wizard of Android 14 that allows for the saving of a WiFi network using an insecure default value. This flaw could enable a local attacker to escalate privileges without requiring additional execution privileges or user interaction for exploitation.

The Impact of CVE-2023-21397

The impact of CVE-2023-21397 lies in the potential for malicious actors to exploit the vulnerability and gain elevated privileges on affected Android devices. This could lead to unauthorized access to sensitive information or the ability to perform malicious actions on the device.

Technical Details of CVE-2023-21397

To effectively address CVE-2023-21397, it is crucial to understand the vulnerability description, affected systems and versions, as well as the exploitation mechanism involved.

Vulnerability Description

The vulnerability in the Setup Wizard of Android version 14 allows for the insecure saving of WiFi network information, creating an avenue for local privilege escalation without the need for additional execution privileges or user interaction.

Affected Systems and Versions

The vulnerability affects devices running Google's Android operating system specifically on version 14. Devices utilizing this version may be susceptible to the exploitation of CVE-2023-21397.

Exploitation Mechanism

Exploiting CVE-2023-21397 involves leveraging the insecure default value in the Setup Wizard to save a WiFi network, thereby enabling a local attacker to escalate privileges without requiring additional execution privileges or user interaction.

Mitigation and Prevention

To address the risks associated with CVE-2023-21397, it is essential to implement immediate steps for mitigation, adopt long-term security practices, and ensure prompt patching and updates on affected devices.

Immediate Steps to Take

Users and administrators should consider restricting network access and monitoring WiFi settings to prevent unauthorized changes. Additionally, implementing strong device security measures can help mitigate the risk of privilege escalation.

Long-Term Security Practices

Long-term security practices should include regular security assessments, employee training on best security practices, and the deployment of comprehensive security solutions to safeguard against potential vulnerabilities like CVE-2023-21397.

Patching and Updates

Google Android users on version 14 should prioritize the installation of security patches and updates provided by the vendor to address CVE-2023-21397 and enhance the overall security posture of their devices. Regularly updating the operating system can help mitigate known security vulnerabilities and ensure the protection of sensitive data.