CVE-2019-20086 Explained : Impact and Mitigation

A heap-based buffer over-read vulnerability has been discovered in GoPro GPMF-parser version 1.2.3, specifically within the GPMF_Next function in GPMF_parser.c.

Understanding CVE-2019-20086

This CVE involves a heap-based buffer over-read vulnerability in GoPro GPMF-parser version 1.2.3.

What is CVE-2019-20086?

The vulnerability exists in the GPMF_Next function in GPMF_parser.c of GoPro GPMF-parser version 1.2.3, allowing for a heap-based buffer over-read.

The Impact of CVE-2019-20086

The vulnerability could be exploited by an attacker to read sensitive information from the heap, potentially leading to information disclosure or further exploitation.

Technical Details of CVE-2019-20086

This section provides technical details of the CVE.

Vulnerability Description

The heap-based buffer over-read vulnerability in GoPro GPMF-parser version 1.2.3 occurs within the GPMF_Next function in GPMF_parser.c.

Affected Systems and Versions

Affected Version: 1.2.3
Product: GoPro GPMF-parser

Exploitation Mechanism

The vulnerability can be exploited by manipulating specific data input to trigger the buffer over-read, potentially leading to unauthorized access to sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2019-20086 is crucial to maintaining security.

Immediate Steps to Take

Update GoPro GPMF-parser to a patched version that addresses the heap-based buffer over-read vulnerability.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to ensure all security patches are applied promptly.
Implement secure coding practices to prevent buffer over-read vulnerabilities in software development.

Patching and Updates

Stay informed about security advisories related to GoPro GPMF-parser and promptly apply any patches released by the vendor.