CVE-2021-46883 : Security Advisory and Response
Learn about CVE-2021-46883, a memory overwriting vulnerability in the video framework by Huawei, impacting HarmonyOS and EMUI versions. Find out how to mitigate this issue.
A memory overwriting vulnerability in the video framework can lead to availability issues on affected systems.
Understanding CVE-2021-46883
What is CVE-2021-46883?
The CVE-2021-46883 vulnerability involves memory overwriting due to addition overflow in the video framework. If successfully exploited, it can impact system availability.
The Impact of CVE-2021-46883
The successful exploitation of this vulnerability can lead to availability issues on the affected systems.
Technical Details of CVE-2021-46883
Vulnerability Description
The vulnerability arises from memory overwriting caused by addition overflow in the video framework.
Affected Systems and Versions
- Vendor: Huawei
- Product: HarmonyOS
- Versions: 2.1.0, 2.0.1, 2.0.0 (affected)
- Product: EMUI
- Versions: 12.0.1, 12.0.0, 11.0.0, 10.1.1, 10.1.0 (affected)
Exploitation Mechanism
The vulnerability can be exploited through addition overflow in the video framework.
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor updates for patches
- Apply patches as soon as they are released
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Conduct regular security assessments
- Train employees on identifying and reporting security issues
- Keep systems and software updated
Patching and Updates
Regularly check for security advisories and updates from Huawei to apply patches promptly.