CVE-2021-45259 : Exploit Details and Defense Strategies

An Invalid pointer reference vulnerability exists in gpac 1.1.0 via the gf_svg_node_del function, causing a segmentation fault and application crash.

Understanding CVE-2021-45259

This CVE involves a vulnerability in gpac 1.1.0 that can lead to a critical application crash due to an invalid pointer reference.

What is CVE-2021-45259?

CVE-2021-45259 is a security vulnerability present in gpac 1.1.0, triggered by the gf_svg_node_del function, ultimately resulting in a segmentation fault and application termination.

The Impact of CVE-2021-45259

The vulnerability poses a severe risk as it allows attackers to potentially execute arbitrary code or cause denial of service by crashing the application.

Technical Details of CVE-2021-45259

This section outlines the technical specifics of the CVE.

Vulnerability Description

The vulnerability arises from an invalid pointer reference in the gf_svg_node_del function of gpac 1.1.0, leading to a segmentation fault and application crash.

Affected Systems and Versions

Affected Systems: Not applicable
Affected Versions: gpac 1.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the gf_svg_node_del function, resulting in a segmentation fault and potential application compromise.

Mitigation and Prevention

Preventive measures and actions to secure systems against CVE-2021-45259.

Immediate Steps to Take

Update gpac to a patched version if available
Implement proper input validation mechanisms
Monitor system logs for any suspicious activity

Long-Term Security Practices

Regularly update software and dependencies
Conduct security assessments and code reviews periodically

Patching and Updates

Ensure timely application of patches and updates to protect systems from known vulnerabilities.