CVE-2019-9454 : Exploit Details and Defense Strategies
Learn about CVE-2019-9454, a vulnerability in the Android kernel i2c driver that could lead to local escalation of privilege. Find out how to mitigate this issue and apply necessary security patches.
Android kernel i2c Driver Out of Bounds Write Vulnerability
Understanding CVE-2019-9454
What is CVE-2019-9454?
There is a potential occurrence of an out of bounds write in the i2c driver of the Android kernel, leading to memory corruption. This vulnerability could allow local escalation of privilege, requiring System execution privileges without the need for user interaction.
The Impact of CVE-2019-9454
This vulnerability could be exploited to achieve elevation of privilege on affected Android systems.
Technical Details of CVE-2019-9454
Vulnerability Description
The vulnerability lies in the Android kernel's i2c driver, potentially resulting in an out of bounds write due to memory corruption.
Affected Systems and Versions
- Product: Android
- Version: Android kernel
Exploitation Mechanism
The exploitation of this vulnerability does not require user interaction and could lead to local escalation of privilege.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update and patch all software and firmware on Android devices.
- Implement least privilege access controls to limit the impact of potential vulnerabilities.
- Conduct regular security assessments and audits to identify and address security gaps.
Patching and Updates
It is crucial to apply the latest security patches and updates from the Android vendor to mitigate the risk associated with CVE-2019-9454.