CVE-2022-20588 : Security Advisory and Response
Learn about CVE-2022-20588, a vulnerability in Android that allows local escalation of privilege without user interaction. Find out the impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-20588, a vulnerability in the Android system that could lead to a local escalation of privilege.
Understanding CVE-2022-20588
In sysmmu_map of sysmmu.c, there is a possible EoP due to a precondition check failure. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
What is CVE-2022-20588?
CVE-2022-20588 is a vulnerability in the Android system that allows for local escalation of privilege without the need for user interaction. The vulnerability exists in sysmmu_map of sysmmu.c.
The Impact of CVE-2022-20588
The impact of CVE-2022-20588 is the potential local escalation of privilege, which could grant an attacker elevated system privileges without requiring user interaction. This could lead to further exploitation of the affected system.
Technical Details of CVE-2022-20588
The technical details of CVE-2022-20588 include:
Vulnerability Description
The vulnerability lies in the sysmmu_map of sysmmu.c, where a precondition check failure occurs, allowing for EoP.
Affected Systems and Versions
The affected system is Android, specifically the Android kernel.
Exploitation Mechanism
The exploitation of CVE-2022-20588 does not require user interaction and can result in a local escalation of privilege with System execution privileges needed.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-20588, consider the following:
Immediate Steps to Take
- Stay informed about security bulletins and patches related to Android vulnerabilities.
- Implement security updates provided by Android to address the vulnerability.
Long-Term Security Practices
- Regularly update the Android system to the latest version to ensure protection against known vulnerabilities.
- Follow best practices for system security and privilege management.
Patching and Updates
Refer to the security bulletin provided by Android for patching and updating details.