CVE-2018-9553 : Security Advisory and Response

Android Double-Free Vulnerability

Understanding CVE-2018-9553

A vulnerability in Android's MasteringMetadata::Parse function could allow remote code execution without additional privileges.

What is CVE-2018-9553?

The CVE-2018-9553 vulnerability is a double-free flaw in the MasteringMetadata::Parse function of mkvparser.cc in Android, potentially leading to remote code execution.

The Impact of CVE-2018-9553

The vulnerability could be exploited remotely without the need for additional execution privileges, requiring user interaction for successful exploitation.

Technical Details of CVE-2018-9553

Vulnerability Description

The issue arises from an insecure default value in the MasteringMetadata::Parse function, allowing attackers to execute code remotely.

Affected Systems and Versions

Product: Android
Versions Affected: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9

Exploitation Mechanism

Attackers can exploit the vulnerability remotely, requiring user interaction for successful execution.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Google for the affected Android versions.
Avoid interacting with untrusted sources or files to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update Android devices to the latest software versions to address security vulnerabilities.
Implement security best practices to protect against remote code execution.

Patching and Updates

Google has released security updates to address CVE-2018-9553. Ensure prompt installation of these patches to secure Android devices.