CVE-2023-21104 : Exploit Details and Defense Strategies

This CVE record involves a vulnerability in applySyncTransaction of WindowOrganizer.java, which could potentially result in local information disclosure on Android devices without requiring additional execution privileges. The exploitation of this vulnerability does not necessitate user interaction.

Understanding CVE-2023-21104

This section delves into the details of CVE-2023-21104 and its implications on affected systems.

What is CVE-2023-21104?

The CVE-2023-21104 vulnerability occurs due to a missing permission check in applySyncTransaction of WindowOrganizer.java. This flaw may allow threat actors to disclose local information on the affected Android devices without the need for additional execution privileges.

The Impact of CVE-2023-21104

The impact of this vulnerability could lead to the unauthorized disclosure of sensitive information stored locally on Android devices running specific versions of the operating system, namely Android-12L and Android-13.

Technical Details of CVE-2023-21104

This section provides a deeper dive into the technical aspects of CVE-2023-21104, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in applySyncTransaction of WindowOrganizer.java poses a risk of local information disclosure on Android devices, potentially compromising user privacy and data security.

Affected Systems and Versions

The affected product is Android, with specific versions at risk including Android-12L and Android-13 where the vulnerability is marked as "affected."

Exploitation Mechanism

Exploiting CVE-2023-21104 requires no additional execution privileges. Threat actors could potentially exploit this vulnerability to disclose local information without the need for user interaction.

Mitigation and Prevention

In light of CVE-2023-21104, it is crucial to implement immediate steps for mitigation and long-term security practices to safeguard affected systems.

Immediate Steps to Take

It is recommended to monitor official security updates and patches provided by the vendor to address the CVE-2023-21104 vulnerability promptly. Additionally, limiting app permissions and staying cautious while interacting with unknown sources can enhance device security.

Long-Term Security Practices

Employing best practices such as regular software updates, utilizing strong passwords, and implementing security measures like firewalls can bolster the overall security posture of Android devices and mitigate potential risks.

Patching and Updates

To mitigate the risk posed by CVE-2023-21104, users should regularly check for and apply the latest security patches and updates released by the Android platform to address the vulnerability and enhance the security of their devices.