CVE-2023-21206 Explained : Impact and Mitigation

This CVE record details a vulnerability identified as CVE-2023-21206, which was published on June 28, 2023, by Google Android. The vulnerability involves an out of bounds read issue in initiateVenueUrlAnqpQueryInternal of sta_iface.cpp, potentially leading to local information disclosure with the requirement of system execution privileges. The affected product is Android, specifically version Android-13.

Understanding CVE-2023-21206

This section provides an overview of the CVE-2023-21206 vulnerability, its impact, technical details, and mitigation measures.

What is CVE-2023-21206?

CVE-2023-21206 is a vulnerability found in Android that arises from unsafe deserialization in initiateVenueUrlAnqpQueryInternal of sta_iface.cpp. This flaw could be exploited for local information disclosure, requiring system execution privileges without the need for user interaction.

The Impact of CVE-2023-21206

The impact of CVE-2023-21206 is significant as it could allow malicious actors to gain access to sensitive local information on affected systems. With the exploitation requiring system execution privileges, the potential for data exposure poses a serious risk to user privacy and system security.

Technical Details of CVE-2023-21206

Delving into the technical specifics of CVE-2023-21206 provides insights into the vulnerability's description, affected systems and versions, as well as its exploitation mechanism.

Vulnerability Description

The vulnerability in initiateVenueUrlAnqpQueryInternal of sta_iface.cpp leads to an out of bounds read issue due to unsafe deserialization, creating a pathway for local information disclosure on the affected Android systems running version Android-13.

Affected Systems and Versions

The affected product by CVE-2023-21206 is Android, with the specific version impacted being Android-13. Systems running this version of Android are vulnerable to exploitation of the out of bounds read flaw.

Exploitation Mechanism

Exploiting CVE-2023-21206 requires system execution privileges, but does not necessitate user interaction. Malicious actors could potentially leverage this vulnerability to access confidential information stored on the affected Android devices.

Mitigation and Prevention

Addressing CVE-2023-21206 involves taking immediate steps to mitigate the risk of exploitation and implementing long-term security practices to enhance system resilience.

Immediate Steps to Take

Users and system administrators are advised to apply security patches promptly to mitigate the CVE-2023-21206 vulnerability. Regularly updating systems and software can help safeguard against potential exploits targeting this flaw.

Long-Term Security Practices

Incorporating robust security measures such as secure coding practices, periodic security audits, and user awareness training can bolster the overall security posture of systems running Android-13. Proactive security measures can help in preventing similar vulnerabilities in the future.

Patching and Updates

Staying informed about security updates and patches released by Google for Android-13 is crucial in addressing known vulnerabilities like CVE-2023-21206. Timely installation of security patches can close security gaps and protect systems from potential exploitation.