CVE-2021-0576 Explained : Impact and Mitigation

This article provides detailed information about CVE-2021-0576, a vulnerability found in the Android SoC that could lead to local escalation of privilege without the need for user interaction.

Understanding CVE-2021-0576

CVE-2021-0576 is a vulnerability discovered in the flv extractor component of Android SoC. The issue arises from a missing bounds check, allowing for a potential out-of-bounds write exploit.

What is CVE-2021-0576?

The CVE-2021-0576 vulnerability in Android SoC's flv extractor component enables a local attacker to escalate privileges without requiring additional execution privileges or user interaction.

The Impact of CVE-2021-0576

Exploitation of this vulnerability could result in a local escalation of privilege within the affected system, posing a security risk to user data and system integrity.

Technical Details of CVE-2021-0576

The technical aspects of CVE-2021-0576 include vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from a missing bounds check in the flv extractor of Android SoC, potentially leading to out-of-bounds write scenarios.

Affected Systems and Versions

The affected product is Android, particularly the Android SoC version, making devices vulnerable to privilege escalation attacks.

Exploitation Mechanism

The exploitation of CVE-2021-0576 does not require user interaction and can be leveraged by local attackers to escalate privileges within the system.

Mitigation and Prevention

To address CVE-2021-0576, immediate action and long-term security practices are recommended.

Immediate Steps to Take

Users are advised to apply security patches and updates provided by the vendor to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing security best practices, such as restricting access and applying regular security updates, can help prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories from the vendor and promptly apply patches to ensure system protection against known vulnerabilities.