Learn about CVE-2021-22465, a Heap-based Buffer Overflow vulnerability in HarmonyOS version 2.0 that could allow local attackers to disrupt the Kernel System. Find out mitigation steps and best practices.
A detailed overview of CVE-2021-22465, a Heap-based Buffer Overflow vulnerability in HarmonyOS, affecting version 2.0.
Understanding CVE-2021-22465
This section delves into the nature of the vulnerability and its potential impact.
What is CVE-2021-22465?
The CVE-2021-22465 is a Heap-based Buffer Overflow vulnerability found in a component of HarmonyOS, specifically version 2.0. Attackers with local access could leverage this flaw to disrupt the Kernel System's functions.
The Impact of CVE-2021-22465
The vulnerability poses a significant threat as it could lead to a Kernel System becoming unavailable, impacting the overall stability and performance of the system.
Technical Details of CVE-2021-22465
Explore the core technical aspects of the CVE-2021-22465 vulnerability.
Vulnerability Description
CVE-2021-22465 involves a Heap-based Buffer Overflow, a common type of software vulnerability that attackers can exploit to execute arbitrary code or crash the system.
Affected Systems and Versions
HarmonyOS version 2.0 is confirmed to be affected by this vulnerability, potentially exposing devices running on this version to exploitation.
Exploitation Mechanism
Local attackers can exploit this vulnerability by crafting malicious input to trigger a buffer overflow condition in the targeted component, leading to the disruption of the Kernel System.
Mitigation and Prevention
Learn about the measures that can be taken to mitigate the risks associated with CVE-2021-22465.
Immediate Steps to Take
It is recommended to apply security updates provided by Huawei promptly to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing strong security protocols, regular system monitoring, and access control mechanisms can enhance the overall security posture of the affected systems.
Patching and Updates
Stay informed about security bulletins and patches released by Huawei to ensure that systems are up to date with the latest security fixes.