CVE-2023-21213 : Security Advisory and Response

This CVE record pertains to a vulnerability identified as CVE-2023-21213, which was published on June 28, 2023, by Google Android. The vulnerability involves a potential out-of-bounds read in initiateTdlsTeardownInternal of sta_iface.cpp, leading to local information disclosure in the wifi server on Android-13 versions.

Understanding CVE-2023-21213

This section delves into the specifics of CVE-2023-21213, outlining what the vulnerability entails and its potential impact.

What is CVE-2023-21213?

The vulnerability identified as CVE-2023-21213 involves a missing bounds check in initiateTdlsTeardownInternal of sta_iface.cpp. This flaw could be exploited to carry out local information disclosure in the wifi server, requiring System execution privileges for successful exploitation.

The Impact of CVE-2023-21213

The impact of CVE-2023-21213 can result in local information disclosure within the wifi server on affected Android-13 versions. This could potentially lead to unauthorized access to sensitive information without requiring user interaction.

Technical Details of CVE-2023-21213

In this section, we provide a deeper understanding of the technical aspects of CVE-2023-21213, including vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in initiateTdlsTeardownInternal of sta_iface.cpp allows for an out-of-bounds read, enabling potential local information disclosure within the wifi server.

Affected Systems and Versions

The impacted system identified in this CVE is Android, specifically affecting devices running Android-13.

Exploitation Mechanism

Exploiting CVE-2023-21213 requires System execution privileges. By leveraging the missing bounds check, threat actors can carry out local information disclosure in the wifi server.

Mitigation and Prevention

Mitigating CVE-2023-21213 involves implementing immediate steps to address the vulnerability and adopting long-term security practices to fortify system defenses.

Immediate Steps to Take

To mitigate the risks associated with CVE-2023-21213, users are advised to apply security patches promptly and stay informed about updates released by the Android platform.

Long-Term Security Practices

In the long term, organizations and users should prioritize maintaining up-to-date software and implementing robust security measures to prevent similar vulnerabilities from being exploited.

Patching and Updates

Regularly applying security patches and updates provided by Android is crucial to safeguard systems against known vulnerabilities like CVE-2023-21213. Stay vigilant and proactive in ensuring your device's security posture remains robust.