CVE-2021-22425 : What You Need to Know
Learn about CVE-2021-22425, a Double Free vulnerability in HarmonyOS allowing attackers to elevate privileges. Explore impact, affected systems, mitigation steps, and more.
A Double Free vulnerability in a component of HarmonyOS allows local attackers to exploit it for Root Elevating Privileges.
Understanding CVE-2021-22425
This CVE record details a security flaw in Huawei's HarmonyOS, potentially leading to privilege escalation.
What is CVE-2021-22425?
The CVE-2021-22425 CVE record highlights a Double Free vulnerability in HarmonyOS. This flaw can be abused by attackers with local access to escalate their privileges to root level.
The Impact of CVE-2021-22425
The vulnerability enables attackers to manipulate memory resources in a way that can result in unauthorized elevation of privileges, posing a significant security risk to affected systems.
Technical Details of CVE-2021-22425
This section outlines the specific technical aspects related to the CVE-2021-22425 vulnerability in HarmonyOS.
Vulnerability Description
The flaw lies in a component of HarmonyOS and allows local attackers to trigger a Double Free condition, which may lead to unauthorized privilege escalation.
Affected Systems and Versions
Huawei's HarmonyOS version 2.0 is affected by this vulnerability, making systems running this specific version susceptible to exploitation.
Exploitation Mechanism
Local attackers can potentially exploit this vulnerability by leveraging the Double Free issue within the HarmonyOS component, ultimately gaining root privileges.
Mitigation and Prevention
To address CVE-2021-22425 and enhance system security, it is crucial to implement the following measures.
Immediate Steps to Take
Users should apply security patches and updates provided by Huawei to mitigate the risk of exploitation and unauthorized privilege escalation.
Long-Term Security Practices
Enforcing the principle of least privilege, maintaining updated security configurations, and monitoring system activities can help prevent and detect similar vulnerabilities in the future.
Patching and Updates
Regularly check for and apply security updates and patches released by Huawei for HarmonyOS to address known vulnerabilities and enhance system protection.