CVE-2019-20089 : Exploit Details and Defense Strategies

GoPro GPMF-parser 1.2.3 version contains a heap-based buffer over-read issue in the GPMF_SeekToSamples function within GPMF_parse.c file, leading to an incorrect size calculation.

Understanding CVE-2019-20089

This CVE involves a vulnerability in the GoPro GPMF-parser 1.2.3 version.

What is CVE-2019-20089?

The vulnerability in the GPMF-parser version 1.2.3 results in a heap-based buffer over-read in the GPMF_SeekToSamples function due to a miscalculation of size.

The Impact of CVE-2019-20089

The vulnerability could potentially allow attackers to exploit the incorrect size calculation, leading to information disclosure or denial of service.

Technical Details of CVE-2019-20089

The technical aspects of this CVE are as follows:

Vulnerability Description

The issue arises from a heap-based buffer over-read in the GPMF_SeekToSamples function within the GPMF_parse.c file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 1.2.3 (affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the size calculation in the GPMF_SeekToSamples function, potentially leading to security breaches.

Mitigation and Prevention

To address CVE-2019-20089, consider the following steps:

Immediate Steps to Take

Apply vendor patches or updates if available.
Monitor official sources for security advisories related to the GoPro GPMF-parser.

Long-Term Security Practices

Regularly update software and firmware to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses.

Patching and Updates

Keep the GoPro GPMF-parser software up to date with the latest patches and versions to prevent exploitation of this vulnerability.