CVE-2021-39993 : Security Advisory and Response

This article provides details about a Integer overflow vulnerability in smartphones running EMUI 11.0.0 and Magic UI 4.0.0.

Understanding CVE-2021-39993

This CVE involves an Integer overflow vulnerability in smartphones' ACPU that could lead to out-of-bounds access.

What is CVE-2021-39993?

The vulnerability pertains to an Integer overflow in smartphones' ACPU, potentially resulting in unauthorized access beyond allocated memory boundaries.

The Impact of CVE-2021-39993

Exploitation of this vulnerability could allow attackers to gain unauthorized access to sensitive information within the affected smartphones.

Technical Details of CVE-2021-39993

This section delves into the specifics of the vulnerability.

Vulnerability Description

The CVE involves an Integer overflow vulnerability in the ACPU of smartphones, which could enable attackers to perform unauthorized out-of-bounds accesses.

Affected Systems and Versions

Product: EMUI;Magic UI
Versions Affected: EMUI 11.0.0, Magic UI 4.0.0

Exploitation Mechanism

The vulnerability arises due to improper handling of Integer overflow conditions within the ACPU of smartphones.

Mitigation and Prevention

Learn how to address and prevent the exploitation of CVE-2021-39993.

Immediate Steps to Take

Apply security patches provided by the vendor promptly
Avoid installing applications from untrusted sources

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments
Educate users about safe browsing habits to reduce exposure to potential threats

Patching and Updates

Ensure regular updates and patches are applied to address vulnerabilities and strengthen the security of the affected systems.