CVE-2021-46787 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-46787 on Huawei's HarmonyOS, EMUI, and Magic UI. Learn about the improper permission control vulnerability affecting these systems and the necessary mitigation steps.
Huawei's HarmonyOS, EMUI, and Magic UI are impacted by an improper permission control vulnerability in the AMS module.
Understanding CVE-2021-46787
What is CVE-2021-46787?
The vulnerability in the AMS module allows for improper permission control. Exploiting it successfully could lead to crashes in non-system application processes.
The Impact of CVE-2021-46787
The vulnerability can result in non-system application processes crashing due to improper permission control.
Technical Details of CVE-2021-46787
Vulnerability Description
The AMS module contains an improper permission control vulnerability.
Affected Systems and Versions
- HarmonyOS 2.0
- EMUI 12.0.0, 11.0.1, 11.0.0, 10.1.1, 10.1.0
- Magic UI 4.0.0, 3.1.1, 3.1.0
Exploitation Mechanism
An attacker can exploit the vulnerability to manipulate permissions, potentially causing non-system application processes to crash.
Mitigation and Prevention
Immediate Steps to Take
- Regularly update the affected systems to the latest versions provided by Huawei.
- Implement proper permission settings and access controls.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Train users and developers on secure coding practices.
Patching and Updates
Apply patches and updates released by Huawei promptly to address the vulnerability.