CVE-2021-22451 Explained : Impact and Mitigation

A component of the HarmonyOS has an Integer Overflow or Wraparound vulnerability that can be exploited by local attackers to cause memory overwriting.

Understanding CVE-2021-22451

This CVE refers to a security vulnerability found in Huawei's HarmonyOS.

What is CVE-2021-22451?

The CVE-2021-22451 is a vulnerability in HarmonyOS that involves an Integer Overflow or Wraparound issue, allowing local attackers to trigger memory overwriting.

The Impact of CVE-2021-22451

This vulnerability could lead to a potential security breach, enabling attackers to manipulate memory content on affected systems.

Technical Details of CVE-2021-22451

Let's delve into the technical aspects of this CVE.

Vulnerability Description

The Integer Overflow or Wraparound vulnerability in HarmonyOS allows malicious actors to overwrite memory, posing a serious security risk.

Affected Systems and Versions

HarmonyOS version 2.0 by Huawei is confirmed to be affected by this security flaw.

Exploitation Mechanism

Local attackers can exploit this vulnerability present in HarmonyOS to trigger memory overwriting, compromising system integrity.

Mitigation and Prevention

Here's what you can do to mitigate the risks associated with CVE-2021-22451.

Immediate Steps to Take

It is recommended to apply security patches or updates provided by Huawei to address this vulnerability promptly.

Long-Term Security Practices

Enhance overall system security by implementing best practices such as network segmentation and access control.

Patching and Updates

Stay vigilant for security bulletins or updates from Huawei regarding HarmonyOS to protect your system from potential threats.