CVE-2019-19960 : What You Need to Know

A vulnerability in versions of wolfSSL prior to 4.3.0 allows for side-channel attacks due to inadequate resistance in wc_ecc_mulmod_ex.

Understanding CVE-2019-19960

This CVE identifies a security issue in wolfSSL versions before 4.3.0 that can be exploited through side-channel attacks.

What is CVE-2019-19960?

The vulnerability in wolfSSL versions prior to 4.3.0 stems from the insufficient resistance of wc_ecc_mulmod_ex against side-channel attacks.

The Impact of CVE-2019-19960

This vulnerability could potentially lead to unauthorized access or information disclosure through side-channel attack methods.

Technical Details of CVE-2019-19960

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw in wolfSSL before version 4.3.0 is attributed to the inadequate resistance of wc_ecc_mulmod_ex against side-channel attacks.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions before 4.3.0

Exploitation Mechanism

The vulnerability can be exploited through side-channel attacks, potentially compromising the security of the system.

Mitigation and Prevention

Protecting systems from CVE-2019-19960 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update wolfSSL to version 4.3.0 or newer to mitigate the vulnerability.
Monitor for any unusual activities that could indicate a side-channel attack.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities in the future.
Regularly update and patch software to address security issues.
Conduct security assessments and audits to identify and remediate potential weaknesses.
Educate developers and users on secure practices to enhance overall security posture.

Patching and Updates

Ensure timely application of patches and updates provided by wolfSSL to address security vulnerabilities.