CVE-2023-21347 : Vulnerability Insights and Analysis

This article provides an in-depth look at CVE-2023-21347, a vulnerability impacting Google's Android operating system version 14, which could potentially lead to remote information disclosure without the need for additional execution privileges.

Understanding CVE-2023-21347

CVE-2023-21347 is a security vulnerability found in the Bluetooth feature of Google's Android operating system version 14. The vulnerability is categorized as an "Information disclosure" problem type and could allow an attacker to perform an out-of-bounds read due to a missing bounds check, leading to remote information disclosure.

What is CVE-2023-21347?

CVE-2023-21347 is a vulnerability in the Bluetooth functionality of Android 14 that could enable a malicious actor to access sensitive information remotely without requiring any additional execution privileges. This could pose a significant risk to user data and privacy.

The Impact of CVE-2023-21347

The impact of this vulnerability is notable as it opens the door for potential remote information disclosure, which could be exploited by threat actors to gather sensitive data without requiring user interaction. It underscores the importance of prompt mitigation and preventive measures to safeguard affected systems.

Technical Details of CVE-2023-21347

The technical details of CVE-2023-21347 shed light on the specific aspects of this vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Android 14's Bluetooth feature arises from a missing bounds check, which could allow an attacker to perform an out-of-bounds read. This could be leveraged to access sensitive information remotely, posing a risk to user privacy and data security.

Affected Systems and Versions

Google's Android operating system version 14 is confirmed to be affected by CVE-2023-21347. Users on this specific version are at risk of potential information disclosure if the vulnerability is exploited by malicious entities.

Exploitation Mechanism

The exploitation of CVE-2023-21347 involves leveraging the out-of-bounds read capability in the Bluetooth feature of Android 14. Attackers could exploit this flaw remotely to gain unauthorized access to sensitive information, highlighting the critical need for mitigation strategies.

Mitigation and Prevention

To address CVE-2023-21347 and mitigate its potential impact, it is crucial for users and organizations to implement immediate steps, adopt long-term security practices, and stay updated on patching and updates.

Immediate Steps to Take

Users and organizations should consider disabling Bluetooth functionality on Android devices if possible until a patch or fix is available. Additionally, exercising caution while using Bluetooth in public or unsecured environments can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing strong security measures, such as using secure connections and keeping software up to date, can enhance the overall security posture of devices and systems. Regular security audits and practices can help identify and address vulnerabilities proactively.

Patching and Updates

Google is likely to release a patch or update to address CVE-2023-21347 in Android 14. Users are advised to apply the patch as soon as it becomes available to safeguard their devices against potential exploitation and mitigate the risk of remote information disclosure.