CVE-2023-21130 : What You Need to Know

This CVE record relates to a vulnerability in the Android operating system that could potentially allow remote code execution without the need for additional user privileges.

Understanding CVE-2023-21130

This section will delve into the details of CVE-2023-21130, providing insight into the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-21130?

CVE-2023-21130 is a security flaw identified in the Android operating system. Specifically, the vulnerability exists in the

btm_ble_periodic_adv_sync_lost

function of

btm_ble_gap.cc

. The issue arises from a buffer overflow, which could be exploited by attackers to remotely execute malicious code on the affected device. Notably, this exploit does not require any additional user interaction or elevated privileges for successful execution.

The Impact of CVE-2023-21130

The impact of CVE-2023-21130 is significant as it opens the door for potential remote code execution on Android devices running the affected version. Attackers could leverage this vulnerability to execute malicious commands, compromise user data, or even take control of the device remotely.

Technical Details of CVE-2023-21130

In this section, we will explore the technical aspects of CVE-2023-21130, including vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in

btm_ble_periodic_adv_sync_lost

of

btm_ble_gap.cc

stems from a buffer overflow, allowing attackers to manipulate memory beyond its allocated boundaries. This overflow can be exploited to inject and execute malicious code remotely.

Affected Systems and Versions

The vulnerability affects devices running Android-13. Users utilizing this version of the Android operating system are at risk of exploitation unless appropriate mitigation measures are implemented.

Exploitation Mechanism

By exploiting the buffer overflow in

btm_ble_periodic_adv_sync_lost

, threat actors can craft and send specifically designed inputs to the vulnerable system. Upon processing these malicious inputs, the attacker can trigger remote code execution, potentially compromising the device's security.

Mitigation and Prevention

In this section, we will outline recommended steps to mitigate the risks posed by CVE-2023-21130 and prevent potential exploitation of the vulnerability.

Immediate Steps to Take

Users and administrators are advised to apply security patches provided by Android to address the vulnerability promptly. It is essential to keep devices updated to the latest software version to mitigate the risks associated with CVE-2023-21130.

Long-Term Security Practices

As a best practice, users should exercise caution while interacting with unknown or suspicious content, links, or applications. Additionally, implementing robust security measures, such as firewalls and intrusion detection systems, can enhance overall security posture against potential threats.

Patching and Updates

Regularly checking for software updates and security bulletins from Android is crucial in safeguarding devices against known vulnerabilities. Timely installation of patches and updates is essential to ensure the protection and integrity of the device and its data.