CVE-2022-20340 : What You Need to Know

This article provides detailed information about CVE-2022-20340 affecting Android-13.

Understanding CVE-2022-20340

This CVE involves an information disclosure vulnerability in SELinux policy of Android-13.

What is CVE-2022-20340?

In SELinux policy, a missing permission check allows inference of opened websites in the browser, leading to local information disclosure without requiring additional privileges or user interaction.

The Impact of CVE-2022-20340

The vulnerability could result in local information exposure without the need for elevated execution permissions, posing a risk to user privacy.

Technical Details of CVE-2022-20340

Below are the technical details of this CVE:

Vulnerability Description

The issue originates from a flaw in the SELinux policy, enabling an attacker to discern the websites accessed by a user through the browser.

Affected Systems and Versions

The affected product is Android, specifically version Android-13.

Exploitation Mechanism

Exploiting this vulnerability requires no user interaction or additional execution privileges, making it easier for threat actors to gather sensitive information.

Mitigation and Prevention

Protecting against CVE-2022-20340 involves taking immediate steps and adopting long-term security practices.

Immediate Steps to Take

Users should apply security patches promptly to mitigate the risk of information disclosure through this vulnerability.

Long-Term Security Practices

Implementing robust security protocols, maintaining system updates, and exercising caution while browsing can reduce the exposure to such vulnerabilities.

Patching and Updates

Regularly check for security bulletins and updates from official sources to address and patch vulnerabilities promptly.