CVE-2020-23931 Explained : Impact and Mitigation

An issue was discovered in gpac before 1.0.1. The abst_box_read function in box_code_adobe.c has a heap-based buffer over-read.

Understanding CVE-2020-23931

This CVE describes a vulnerability in the gpac software that could lead to a heap-based buffer over-read.

What is CVE-2020-23931?

The vulnerability in gpac before version 1.0.1 allows attackers to trigger a heap-based buffer over-read by exploiting the abst_box_read function in box_code_adobe.c.

The Impact of CVE-2020-23931

This vulnerability could potentially be exploited by malicious actors to read sensitive information from the affected system's memory, leading to a compromise of data integrity and confidentiality.

Technical Details of CVE-2020-23931

Vulnerability Description

The issue lies in the abst_box_read function in box_code_adobe.c in gpac before 1.0.1, resulting in a heap-based buffer over-read.

Affected Systems and Versions

Product: gpac
Vendor: N/A
Versions affected: N/A

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious input that triggers the heap-based buffer over-read in the abst_box_read function.

Mitigation and Prevention

Immediate Steps to Take

Update gpac to version 1.0.1 or later to mitigate the vulnerability.
Monitor vendor security advisories for patches or workarounds.

Long-Term Security Practices

Regularly update software and systems to the latest versions.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Apply patches and updates provided by the gpac vendor to address the vulnerability.