CVE-2021-37120 : What You Need to Know
Understand the impact and technical details of CVE-2021-37120, a Double free vulnerability in Huawei smartphones' EMUI and Magic UI. Learn how to mitigate risks and apply security patches.
CVE-2021-37120 is a Double free vulnerability found in EMUI and Magic UI on Huawei smartphones. Exploiting this vulnerability can lead to a kernel crash or privilege escalation.
Understanding CVE-2021-37120
This section will delve into the details of the CVE-2021-37120 vulnerability.
What is CVE-2021-37120?
CVE-2021-37120 is a Double free vulnerability affecting EMUI and Magic UI on Huawei smartphones. Successful exploitation could result in a kernel crash or privilege escalation.
The Impact of CVE-2021-37120
The impact of this vulnerability includes the potential for malicious actors to cause system instability through a kernel crash or gain elevated privileges.
Technical Details of CVE-2021-37120
In this section, we will explore the technical aspects of CVE-2021-37120.
Vulnerability Description
The vulnerability is a Double free issue, which occurs when a program attempts to free the same memory address more than once. This can be exploited by attackers for malicious purposes.
Affected Systems and Versions
EMUI versions 10.1.1 and 10.1.0, as well as Magic UI versions 3.1.1 and 3.1.0, are impacted by CVE-2021-37120.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting specifically designed input to trigger the Double free condition, leading to a kernel crash or potential privilege escalation.
Mitigation and Prevention
This section will provide insights on mitigating the risks associated with CVE-2021-37120.
Immediate Steps to Take
Users are advised to update their devices to the latest EMUI and Magic UI versions provided by Huawei. Additionally, exercise caution while downloading and installing apps from untrusted sources.
Long-Term Security Practices
Implementing regular security updates, avoiding suspicious links or downloads, and using reputable antivirus software can enhance the overall security posture of Huawei smartphones.
Patching and Updates
Huawei is expected to release patches addressing CVE-2021-37120. Users should promptly apply these updates to safeguard their devices against potential exploitation.