CVE-2023-21214 : Exploit Details and Defense Strategies

This CVE-2023-21214 relates to a vulnerability in Android that could potentially lead to local information disclosure with System execution privileges required. The vulnerability exists in the addGroupWithConfigInternal function of p2p_iface.cpp, where an out-of-bounds read can occur due to unsafe deserialization. This issue affects Android-13 version, and exploitation does not necessitate user interaction.

Understanding CVE-2023-21214

This section will cover the essence of CVE-2023-21214, its impact, technical details, and mitigation strategies.

What is CVE-2023-21214?

CVE-2023-21214 is a vulnerability found in Android that allows for potential local information disclosure with System execution privileges needed. The specific vulnerability lies in the addGroupWithConfigInternal function of p2p_iface.cpp.

The Impact of CVE-2023-21214

The impact of this vulnerability is the risk of local information disclosure, which could have serious consequences for affected systems, particularly those running Android-13. System execution privileges are required for exploitation, and user interaction is not necessary.

Technical Details of CVE-2023-21214

In this section, we will delve into the technical aspects of CVE-2023-21214, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in CVE-2023-21214 leads to an out-of-bounds read in the addGroupWithConfigInternal function of p2p_iface.cpp, triggered by unsafe deserialization. This flaw can be exploited to disclose local information.

Affected Systems and Versions

The affected system by CVE-2023-21214 is Android, specifically version Android-13. Systems running this version are at risk of experiencing the vulnerability and its potential consequences.

Exploitation Mechanism

Exploiting CVE-2023-21214 requires System execution privileges but does not mandate user interaction. Attackers could potentially exploit this vulnerability to gain access to sensitive information on the affected system.

Mitigation and Prevention

To address the risks associated with CVE-2023-21214, it is crucial to implement immediate steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

To mitigate the impact of CVE-2023-21214, users should consider limiting access to vulnerable systems, monitoring for any unusual activities, and implementing access controls to prevent unauthorized access.

Long-Term Security Practices

In the long term, organizations should prioritize proactive security measures such as regular security assessments, employee training on cybersecurity best practices, and implementing secure coding standards to prevent similar vulnerabilities in the future.

Patching and Updates

It is essential to apply security patches provided by Android for addressing CVE-2023-21214. Regularly updating systems with the latest patches and staying informed about security bulletins can help prevent exploitation of known vulnerabilities.