CVE-2019-1010296 Explained : Impact and Mitigation

Linaro/OP-TEE prior to version 3.3.0 is vulnerable to a Buffer Overflow issue that can lead to code execution within the TEE core context. Updating to version 3.4.0 or later is crucial to mitigate this vulnerability.

Understanding CVE-2019-1010296

Versions of Linaro/OP-TEE prior to 3.3.0 are susceptible to a Buffer Overflow vulnerability, potentially allowing code execution within the TEE core (kernel) context.

What is CVE-2019-1010296?

CVE-2019-1010296 is a Buffer Overflow vulnerability in Linaro/OP-TEE versions before 3.3.0, which could permit an attacker to execute malicious code within the TEE core.

The Impact of CVE-2019-1010296

The vulnerability in Linaro/OP-TEE can result in unauthorized code execution within the TEE core, posing a significant security risk to affected systems.

Technical Details of CVE-2019-1010296

Linaro/OP-TEE Buffer Overflow Vulnerability

Vulnerability Description

The Buffer Overflow vulnerability in Linaro/OP-TEE versions prior to 3.3.0 allows attackers to potentially execute arbitrary code within the TEE core (kernel) context.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious input to overrun the buffer, leading to unauthorized code execution within the TEE core.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the CVE-2019-1010296 vulnerability.

Immediate Steps to Take

Update Linaro/OP-TEE to version 3.4.0 or any subsequent release to mitigate the Buffer Overflow vulnerability.

Long-Term Security Practices

Regularly monitor and apply security patches to prevent similar vulnerabilities.
Implement secure coding practices to mitigate buffer overflow risks.

Patching and Updates

Stay informed about security updates and patches released by Linaro/OP-TEE to address vulnerabilities like Buffer Overflow.