CVE-2019-5065 : What You Need to Know

A vulnerability in the packet-parsing feature of Blynk-Library v0.6.1 allows attackers to disclose information by exploiting an unterminated strncpy operation.

Understanding CVE-2019-5065

This CVE involves an information disclosure vulnerability in Blynk-Library v0.6.1.

What is CVE-2019-5065?

The vulnerability in Blynk-Library v0.6.1 enables attackers to reveal information by sending a specially crafted packet that triggers an unterminated strncpy operation.

The Impact of CVE-2019-5065

The impact is rated as medium severity with a CVSS base score of 5.3. It affects confidentiality with low impact and requires no privileges for exploitation.

Technical Details of CVE-2019-5065

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to exploit the packet-parsing functionality of Blynk-Library v0.6.1 to disclose information through an unterminated strncpy operation.

Affected Systems and Versions

Product: Blynck Inc
Version: Blynk Blynk-Library v0.6.1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specifically designed packet that triggers the unterminated strncpy operation.

Mitigation and Prevention

Protecting systems from CVE-2019-5065 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Blynk-Library to a patched version.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure that all systems using Blynk-Library are updated to a version that addresses the vulnerability.