CVE-2020-11713 : Security Advisory and Response

wolfSSL 4.3.0 has a vulnerability in the mulmod code in wc_ecc_mulmod_ex in ecc.c that leaves it susceptible to timing side-channel attacks.

Understanding CVE-2020-11713

This CVE involves a security issue in wolfSSL 4.3.0 that could be exploited through timing side-channel attacks.

What is CVE-2020-11713?

The vulnerability in wolfSSL 4.3.0 allows for potential timing side-channel attacks due to inadequate resistance in the mulmod code in wc_ecc_mulmod_ex in ecc.c.

The Impact of CVE-2020-11713

This vulnerability could be exploited by attackers to launch timing side-channel attacks, potentially compromising the security and integrity of systems utilizing wolfSSL 4.3.0.

Technical Details of CVE-2020-11713

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

wolfSSL 4.3.0 is affected by a vulnerability in the mulmod code in wc_ecc_mulmod_ex in ecc.c, making it susceptible to timing side-channel attacks.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited through timing side-channel attacks, allowing threat actors to potentially compromise systems using wolfSSL 4.3.0.

Mitigation and Prevention

Protecting systems from CVE-2020-11713 requires immediate actions and long-term security practices.

Immediate Steps to Take

Consider upgrading to a patched version of wolfSSL to mitigate the vulnerability.
Monitor for any unusual activities that could indicate exploitation of the timing side-channel attack.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities in the future.
Conduct regular security assessments and audits to identify and address potential weaknesses.

Patching and Updates

Ensure that wolfSSL is regularly updated to the latest version to patch known vulnerabilities and enhance overall security.