Cloud Defense Logo

Products

Solutions

Company

CVE-2021-0340 : What You Need to Know

Learn about CVE-2021-0340 affecting Android 10, a flaw in IsoInterface.java leading to possible remote information disclosure without extra privileges.

Android 10 is affected by a vulnerability in parseNextBox of IsoInterface.java, potentially leaking unredacted location information. This flaw could result in remote information disclosure without requiring additional privileges. User interaction is necessary for exploitation.

Understanding CVE-2021-0340

This CVE identifies an elevation of privilege vulnerability in Android 10.

What is CVE-2021-0340?

The CVE-2021-0340 vulnerability in Android 10 occurs in parseNextBox of IsoInterface.java, allowing an attacker to leak unredacted location information due to insufficient input validation. Attackers can exploit this flaw to remotely disclose sensitive data, without needing extra permissions.

The Impact of CVE-2021-0340

The impact of CVE-2021-0340 is the potential disclosure of location information through remote attacks, which poses a risk to user privacy and data security.

Technical Details of CVE-2021-0340

This section will delve into the technical aspects of the CVE.

Vulnerability Description

The vulnerability lies in parseNextBox of IsoInterface.java, enabling the leakage of unredacted location details due to inadequate input validation.

Affected Systems and Versions

Affected system:

        Product: Android
        Versions: Android-10

Exploitation Mechanism

Remote information disclosure can occur without the need for additional execution privileges, requiring user interaction.

Mitigation and Prevention

Understanding how to mitigate and prevent vulnerabilities like CVE-2021-0340 is crucial for maintaining security.

Immediate Steps to Take

Users are advised to update their systems to the latest security patch to address this vulnerability promptly.

Long-Term Security Practices

Regularly updating the Android OS and security patches, practicing caution while downloading files or clicking on links, and staying informed about security bulletins can enhance long-term security.

Patching and Updates

Vendor patches and security updates play a critical role in patching vulnerabilities like CVE-2021-0340, emphasizing the importance of timely software updates and system maintenance.

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now