CVE-2023-21178 : Security Advisory and Response

This CVE record was published on June 28, 2023, by Google Android. The vulnerability is related to a possible failure of file encryption due to a race condition in the installKey function of KeyUtil.cpp, which could result in local information disclosure. This vulnerability requires System execution privileges, and user interaction is not necessary for exploitation.

Understanding CVE-2023-21178

This section delves deeper into the nature of CVE-2023-21178 and its implications.

What is CVE-2023-21178?

CVE-2023-21178 is a vulnerability in the Android operating system that could allow for local information disclosure due to a race condition in the installKey function of KeyUtil.cpp.

The Impact of CVE-2023-21178

The impact of this vulnerability is significant as it could potentially lead to the exposure of sensitive information stored on the affected Android device.

Technical Details of CVE-2023-21178

Understanding the technical aspects of CVE-2023-21178 is crucial for mitigation and prevention.

Vulnerability Description

The vulnerability arises from a race condition in the installKey function of KeyUtil.cpp, which may result in a failure of file encryption and subsequent local information disclosure.

Affected Systems and Versions

The affected system for CVE-2023-21178 is Android-13. Devices running this specific version are susceptible to the vulnerability.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need System execution privileges but does not require user interaction, making it particularly dangerous.

Mitigation and Prevention

Taking immediate action to address CVE-2023-21178 is essential to safeguard affected systems and prevent potential exploitation.

Immediate Steps to Take

Users and administrators are advised to apply security patches as soon as they become available to mitigate the risk associated with CVE-2023-21178.

Long-Term Security Practices

Implementing strong security measures and regularly updating systems can help reduce the likelihood of falling victim to similar vulnerabilities in the future.

Patching and Updates

Google Android has likely released security updates to address CVE-2023-21178. It is crucial for users to promptly install these patches to secure their devices against potential exploitation.