CVE-2019-13470 : What You Need to Know

An out-of-bounds read vulnerability exists in MatrixSSL versions prior to 4.2.1 during ASN.1 handling.

Understanding CVE-2019-13470

This CVE identifies a specific security issue in MatrixSSL versions before 4.2.1.

What is CVE-2019-13470?

CVE-2019-13470 is an out-of-bounds read vulnerability that occurs in the processing of ASN.1 in MatrixSSL versions earlier than 4.2.1.

The Impact of CVE-2019-13470

This vulnerability could potentially allow an attacker to read sensitive information from the memory of the affected system, leading to a breach of confidentiality.

Technical Details of CVE-2019-13470

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in the handling of ASN.1 within MatrixSSL versions prior to 4.2.1.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions before 4.2.1

Exploitation Mechanism

The vulnerability can be exploited by an attacker sending specially crafted ASN.1 data to the affected system, triggering the out-of-bounds read.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2019-13470.

Immediate Steps to Take

Update MatrixSSL to version 4.2.1 or later to eliminate the vulnerability.
Monitor security advisories for any patches or workarounds provided by the vendor.

Long-Term Security Practices

Regularly update software and libraries to the latest versions to address known vulnerabilities.
Implement network security measures to detect and block malicious traffic attempting to exploit vulnerabilities.

Patching and Updates

Apply patches and updates provided by MatrixSSL promptly to ensure the security of the system.