CVE-2022-48355 : What You Need to Know
Learn about CVE-2022-48355, a vulnerability in the Bluetooth module of HarmonyOS and EMUI, allowing attackers to crash the Bluetooth process. Find mitigation steps and affected versions here.
A detailed overview of the Bluetooth module heap out-of-bounds read vulnerability in HarmonyOS and EMUI.
Understanding CVE-2022-48355
This section provides insights into the nature and impact of the CVE-2022-48355 vulnerability.
What is CVE-2022-48355?
The Bluetooth module has a heap out-of-bounds read vulnerability that, when successfully exploited, can lead to the crash of the Bluetooth process.
The Impact of CVE-2022-48355
The successful exploitation of this vulnerability can result in a denial of service (DoS) condition, potentially affecting the stability and functionality of Bluetooth services on affected devices.
Technical Details of CVE-2022-48355
In this section, the technical aspects of the CVE-2022-48355 vulnerability are discussed.
Vulnerability Description
The heap out-of-bounds read vulnerability in the Bluetooth module poses a risk to the integrity and availability of Bluetooth services on impacted systems.
Affected Systems and Versions
- HarmonyOS: Versions 3.1.0, 3.0.0, 2.1.0, and 2.0.0 are affected.
- EMUI: Versions 13.0.0 and 12.0.0 are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability to trigger an out-of-bounds read in the Bluetooth module, potentially leading to a system crash or DoS condition.
Mitigation and Prevention
This section outlines the steps to mitigate the risks associated with CVE-2022-48355.
Immediate Steps to Take
- Users are advised to apply the latest security patches provided by Huawei for HarmonyOS and EMUI to address the vulnerability.
- Implement network security measures to prevent unauthorized access and potential exploitation.
Long-Term Security Practices
- Regularly update the firmware and software on the affected devices to protect against known vulnerabilities and security risks.
- Conduct security assessments and audits to identify and remediate potential security gaps.
Patching and Updates
Ensure that all affected devices are updated with the latest security patches released by Huawei to address the Bluetooth module heap out-of-bounds read vulnerability.