CVE-2020-19750 : What You Need to Know

An issue was discovered in gpac 0.8.0 where the strdup function in box_code_base.c has a heap-based buffer over-read.

Understanding CVE-2020-19750

This CVE identifies a vulnerability in the gpac software version 0.8.0 that can lead to a heap-based buffer over-read.

What is CVE-2020-19750?

The vulnerability in gpac 0.8.0 arises from a specific function, strdup, within the box_code_base.c file, allowing for a heap-based buffer over-read.

The Impact of CVE-2020-19750

This vulnerability could potentially be exploited by an attacker to read sensitive information from the affected system's memory, leading to a breach of confidentiality.

Technical Details of CVE-2020-19750

The technical details of this CVE provide insight into the specific aspects of the vulnerability.

Vulnerability Description

The issue in gpac 0.8.0 is due to the strdup function in box_code_base.c, resulting in a heap-based buffer over-read, which can be exploited by malicious actors.

Affected Systems and Versions

Affected Version: gpac 0.8.0
Systems: All systems running gpac 0.8.0 are vulnerable to this issue.

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious input that triggers the strdup function, leading to the buffer over-read.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-19750, certain steps can be taken.

Immediate Steps to Take

Update to a patched version of gpac that addresses the buffer over-read issue.
Monitor for any unusual activities on the system that could indicate exploitation of this vulnerability.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Implement proper input validation mechanisms to mitigate buffer over-read vulnerabilities.

Patching and Updates

Ensure that all systems running gpac are updated to a version that includes the necessary patches to fix the heap-based buffer over-read vulnerability.