CVE-2017-2800 : What You Need to Know

CVE-2017-2800 is a vulnerability in wolfSSL up to version 3.10.2 that allows an attacker to trigger a buffer overflow by providing a specially crafted x509 certificate. This can result in certificate validation issues, denial of service, and potential remote code execution.

Understanding CVE-2017-2800

What is CVE-2017-2800?

The vulnerability in wolfSSL up to version 3.10.2 allows an attacker to exploit a buffer overflow by using a malicious x509 certificate, potentially leading to severe security risks.

The Impact of CVE-2017-2800

The vulnerability can have a high impact on confidentiality, integrity, and availability, making it a critical security concern for systems using wolfSSL.

Technical Details of CVE-2017-2800

Vulnerability Description

A specially crafted x509 certificate can trigger a buffer overflow in wolfSSL up to version 3.10.2, resulting in validation vulnerabilities, denial of service, and possible remote code execution.

Affected Systems and Versions

Product: wolfSSL
Vendor: wolfSSL
Versions Affected: up to 3.10.2

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
Scope: Unchanged
User Interaction: None
Vector String: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Immediate Steps to Take

Update wolfSSL to a patched version that addresses the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and update security patches for all software components.
Conduct security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates to wolfSSL to mitigate the risk of exploitation.