CVE-2019-9468 : Security Advisory and Response

Android-10 has a vulnerability in the export_key_der function that could lead to memory corruption and local privilege escalation without additional execution privileges.

Understanding CVE-2019-9468

This CVE involves a memory corruption issue in Android-10 that could be exploited for local privilege escalation.

What is CVE-2019-9468?

The export_key_der function in export_key.cpp in Android-10 is susceptible to memory corruption due to double deallocation, potentially allowing local privilege escalation without extra execution privileges.

The Impact of CVE-2019-9468

The vulnerability could be exploited for local privilege escalation without requiring additional execution privileges.
User interaction is not necessary for the exploitation of this vulnerability.

Technical Details of CVE-2019-9468

The technical details of the CVE-2019-9468 vulnerability are as follows:

Vulnerability Description

The export_key_der function in export_key.cpp has a potential memory corruption issue due to double deallocation.

Affected Systems and Versions

Affected Product: Android
Affected Version: Android-10 and above

Exploitation Mechanism

The vulnerability could be exploited for local privilege escalation without needing additional execution privileges.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-9468:

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor security bulletins for updates and follow recommended actions.

Long-Term Security Practices

Regularly update the operating system and applications to the latest versions.
Implement security best practices such as least privilege access and network segmentation.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure timely installation of security patches released by the vendor to address the vulnerability.