CVE-2022-21747 : Vulnerability Insights and Analysis
Discover details about CVE-2022-21747, a vulnerability in imgsensor by MediaTek impacting Android 9.0 to 12.0. Learn about the impact, affected systems, and mitigation steps.
This CVE-2022-21747 article provides details on a vulnerability found in imgsensor affecting various MediaTek products.
Understanding CVE-2022-21747
CVE-2022-21747 is a vulnerability in imgsensor that could result in a local denial of service without the need for user interaction, impacting Android versions 9.0 through 12.0.
What is CVE-2022-21747?
The vulnerability in imgsensor is due to a missing bounds check, leading to a possible out-of-bounds read. This flaw could be exploited to cause a denial of service condition on the affected systems.
The Impact of CVE-2022-21747
The impact of CVE-2022-21747 is the potential for a local denial of service attack, requiring System execution privileges. This vulnerability could be exploited without the need for user interaction.
Technical Details of CVE-2022-21747
The technical details of CVE-2022-21747 include:
Vulnerability Description
The vulnerability involves an out-of-bounds read in imgsensor due to a missing bounds check, allowing for a local denial of service attack.
Affected Systems and Versions
The vulnerability affects multiple MediaTek products, including MT6771, MT6779, MT6781, and more, running Android versions 9.0, 10.0, 11.0, and 12.0.
Exploitation Mechanism
Exploiting CVE-2022-21747 does not require user interaction and can lead to a denial of service condition with System execution privileges on the affected devices.
Mitigation and Prevention
Effective mitigation strategies for CVE-2022-21747 include:
Immediate Steps to Take
Users are advised to apply the provided patch ALPS06478078 to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
To enhance security posture, users should regularly update their devices, stay informed about security bulletins, and follow best security practices.
Patching and Updates
Regularly applying security patches released by MediaTek and keeping devices up to date with the latest software updates are crucial to prevent exploitation of vulnerabilities like CVE-2022-21747.