CVE-2023-20992 : Vulnerability Insights and Analysis

This CVE record details a security vulnerability in Android, specifically in the Bluetooth server component, that could potentially lead to local information disclosure. The vulnerability requires system execution privileges for exploitation, and user interaction is not needed.

Understanding CVE-2023-20992

This section will provide an overview of what CVE-2023-20992 entails.

What is CVE-2023-20992?

CVE-2023-20992 is a security vulnerability found in the on_iso_link_quality_read function of btm_iso_impl.h in the Android operating system. The issue arises due to a missing bounds check, allowing for a possible out-of-bounds read. This vulnerability could be exploited to disclose local information within the Bluetooth server.

The Impact of CVE-2023-20992

The impact of this vulnerability is significant as it could potentially lead to the disclosure of sensitive information on the affected Android device. An attacker could exploit this vulnerability to gain access to restricted data without the need for user interaction, posing a threat to user privacy and security.

Technical Details of CVE-2023-20992

In this section, we will delve deeper into the technical aspects of CVE-2023-20992.

Vulnerability Description

The vulnerability in on_iso_link_quality_read function of btm_iso_impl.h in Android allows for an out-of-bounds read due to the lack of proper bounds checking. This flaw could be leveraged by an attacker to access sensitive information stored on the Bluetooth server.

Affected Systems and Versions

The impacted system identified in this CVE is Android, specifically version Android-13. Devices running on Android-13 are susceptible to this security vulnerability, potentially exposing them to local information disclosure risks.

Exploitation Mechanism

To exploit CVE-2023-20992, an attacker would need system execution privileges on the affected Android device. By taking advantage of the out-of-bounds read vulnerability in the Bluetooth server component, an attacker could gain unauthorized access to sensitive data without the need for user interaction.

Mitigation and Prevention

Here we will discuss the necessary steps to mitigate the risks associated with CVE-2023-20992.

Immediate Steps to Take

For immediate mitigation, users are advised to apply security patches and updates provided by the official vendor. It is essential to ensure that the affected systems are promptly updated to address the identified vulnerability and prevent exploitation.

Long-Term Security Practices

In the long term, it is recommended to follow robust security practices such as regularly updating software, implementing access controls, and conducting security audits to identify and address potential vulnerabilities proactively. Maintaining a strong security posture can help protect against future threats and vulnerabilities.

Patching and Updates

Users of Android devices running on version Android-13 should regularly check for security updates released by the vendor. Applying patches in a timely manner can help mitigate the risk of exploitation and ensure the overall security of the device and data stored on it.