CVE-2022-21758 : Security Advisory and Response
Discover the impact, technical details, and mitigation strategies for CVE-2022-21758, a memory corruption vulnerability in ccu affecting MediaTek products running Android 11.0 and 12.0.
A detailed analysis of CVE-2022-21758 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2022-21758
This section provides insights into the nature of the vulnerability, its implications, and affected systems.
What is CVE-2022-21758?
CVE-2022-21758 involves a potential memory corruption in ccu, leading to a double free scenario. This flaw could enable a local attacker to escalate privileges without requiring user interaction, necessitating System execution privileges for exploitation.
The Impact of CVE-2022-21758
The vulnerability poses a significant risk of local privilege escalation, potentially granting unauthorized access to sensitive system resources and data.
Technical Details of CVE-2022-21758
Explore the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability in ccu may result in memory corruption due to a double free, facilitating malicious actors to leverage this flaw for an elevation of privilege attack.
Affected Systems and Versions
Products such as MT6833, MT6853, MT6873, MT6877, MT6885, and MT6893 running Android 11.0 and 12.0 are susceptible to CVE-2022-21758.
Exploitation Mechanism
Exploiting this vulnerability does not require user interaction, and with System execution privileges, threat actors can orchestrate privilege escalation attacks.
Mitigation and Prevention
Discover the recommended steps to mitigate the risks associated with CVE-2022-21758.
Immediate Steps to Take
Immediate actions involve applying patches from MediaTek to eliminate the vulnerability and enhance system security.
Long-Term Security Practices
Implementing robust security protocols, restricting system access, and monitoring for unauthorized activities are essential for long-term security.
Patching and Updates
Regularly updating software, installing security patches, and keeping abreast of vendor notifications are crucial for maintaining a secure system.