CVE-2019-1010298 : Security Advisory and Response

A vulnerability in Linaro/OP-TEE version 3.3.0 and older allows for code execution within the TEE core due to a Buffer Overflow.

Understanding CVE-2019-1010298

This CVE identifies a specific vulnerability in Linaro/OP-TEE version 3.3.0 and earlier, impacting the optee_os component.

What is CVE-2019-1010298?

The vulnerability is classified as a Buffer Overflow, enabling malicious actors to execute code within the TEE core (kernel) of affected systems.

The Impact of CVE-2019-1010298

The Buffer Overflow vulnerability in Linaro/OP-TEE version 3.3.0 and older poses a significant risk as it allows unauthorized code execution within the TEE core, potentially leading to system compromise.

Technical Details of CVE-2019-1010298

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in Linaro/OP-TEE version 3.3.0 and earlier is a Buffer Overflow issue that permits the execution of code within the TEE core (kernel).

Affected Systems and Versions

Product: OP-TEE
Vendor: Linaro/OP-TEE
Versions Affected: 3.3.0 and earlier
Fixed Version: 3.4.0 and later

Exploitation Mechanism

The vulnerability allows threat actors to exploit the Buffer Overflow to inject and execute malicious code within the TEE core, compromising system integrity.

Mitigation and Prevention

Protecting systems from CVE-2019-1010298 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected systems to the fixed version 3.4.0 or later to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement secure coding practices to prevent Buffer Overflow vulnerabilities in software development.
Regularly conduct security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Linaro/OP-TEE to address known vulnerabilities and enhance system security.