Cloud Defense Logo

Products

Solutions

Company

CVE-2023-21315 : What You Need to Know

Discover the impact and mitigation strategies for CVE-2023-21315, a heap buffer overflow vulnerability in Google's Android affecting Bluetooth functionality.

This article provides an in-depth analysis of CVE-2023-21315, focusing on its impact, technical details, and mitigation strategies.

Understanding CVE-2023-21315

CVE-2023-21315 is a security vulnerability identified in Google's Android operating system that poses a risk of information disclosure through a Bluetooth-related issue. This CVE entry was published on October 30, 2023.

What is CVE-2023-21315?

The vulnerability in question involves a potential out-of-bounds read in Bluetooth, primarily triggered by a heap buffer overflow. Exploiting this flaw could result in remote information disclosure to an attacker within close proximity, without requiring additional execution privileges or user interaction.

The Impact of CVE-2023-21315

The impact of CVE-2023-21315 lies in the potential exposure of sensitive information due to the Bluetooth-related vulnerability. If successfully exploited, an attacker could gain access to data transmitted over Bluetooth connections without the user's knowledge.

Technical Details of CVE-2023-21315

This section delves into the specific technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from a heap buffer overflow within the Bluetooth component of Google's Android operating system. This flaw can be leveraged by threat actors to extract sensitive information from affected devices.

Affected Systems and Versions

Google's Android version 14 is confirmed to be impacted by CVE-2023-21315. Users running this specific version of the operating system are vulnerable to the disclosed flaw, potentially exposing them to information disclosure risks.

Exploitation Mechanism

Exploiting CVE-2023-21315 requires no additional execution privileges or user interaction. By maliciously triggering the out-of-bounds read through a crafted Bluetooth transmission, threat actors can remotely access sensitive information from nearby devices.

Mitigation and Prevention

In response to CVE-2023-21315, adopting appropriate mitigation strategies is crucial to safeguard affected systems and users. This section outlines immediate steps to take, long-term security practices, and the importance of timely patching and updates.

Immediate Steps to Take

Users and organizations are advised to exercise caution when using Bluetooth functionalities on Android devices. Disabling Bluetooth when not in use and avoiding unknown or unsecured connections can help mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures such as regular security audits, threat monitoring, and user awareness training can enhance overall defense mechanisms against potential vulnerabilities like CVE-2023-21315.

Patching and Updates

Google is expected to release patches and updates addressing CVE-2023-21315 to eliminate the identified vulnerability. Users are encouraged to promptly install these security updates to strengthen their Android devices against potential threats.

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now