CVE-2023-21310 : What You Need to Know

This CVE record was published on October 30, 2023, by Google's Android security team. The vulnerability has been identified as an elevation of privilege issue in the Bluetooth component of Android version 14.

Understanding CVE-2023-21310

This section will delve into the details of CVE-2023-21310 and its implications.

What is CVE-2023-21310?

CVE-2023-21310 is a security vulnerability found in the Bluetooth component of Android version 14. It involves a possible out-of-bounds write leading to a heap buffer overflow. The exploitation of this vulnerability could result in a local escalation of privilege with System execution privileges. Importantly, user interaction is not required for an attacker to exploit this flaw.

The Impact of CVE-2023-21310

The impact of this vulnerability lies in the potential for malicious actors to gain elevated privileges on affected devices without the need for user interaction. This could lead to unauthorized access to sensitive information or the ability to carry out further attacks on the affected system.

Technical Details of CVE-2023-21310

In this section, we will explore the technical aspects of CVE-2023-21310, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Bluetooth component of Android version 14 is due to a heap buffer overflow, allowing for an out-of-bounds write. This flaw can be exploited to achieve a local escalation of privilege with System execution privileges.

Affected Systems and Versions

Google has identified Android version 14 as the affected system by this vulnerability. Specifically, devices running on this version may be susceptible to the security issue.

Exploitation Mechanism

Exploiting CVE-2023-21310 involves leveraging the heap buffer overflow in the Bluetooth component of Android version 14. Attackers can potentially execute code to escalate privileges locally without requiring user interaction.

Mitigation and Prevention

To address CVE-2023-21310 and prevent potential exploitation, users and organizations should implement the following mitigation strategies.

Immediate Steps to Take

Patch affected systems promptly to eliminate the vulnerability.
Monitor for any suspicious activities that could indicate exploitation attempts.
Consider restricting Bluetooth usage on critical devices as a temporary measure.

Long-Term Security Practices

Regularly update software and firmware to ensure all security patches are applied.
Educate users on cybersecurity best practices to enhance overall awareness.
Employ network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Google may release patches or updates to address CVE-2023-21310. It is crucial for users to stay informed about these releases and apply them as soon as they become available to secure their systems against potential threats.