CVE-2020-24829 : Exploit Details and Defense Strategies

An issue was discovered in GPAC v0.8.0, as demonstrated by MP4Box, containing a heap-based buffer overflow in gf_m2ts_section_complete in media_tools/mpegts.c that can lead to a denial of service (DOS) via a crafted MP4 file.

Understanding CVE-2020-24829

This CVE identifies a heap-based buffer overflow vulnerability in GPAC v0.8.0 that can be exploited through a specially crafted MP4 file.

What is CVE-2020-24829?

The vulnerability in GPAC v0.8.0 allows attackers to trigger a denial of service (DOS) condition by exploiting the heap-based buffer overflow in the gf_m2ts_section_complete function.

The Impact of CVE-2020-24829

Exploitation of this vulnerability can result in a denial of service (DOS) attack, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2020-24829

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in GPAC v0.8.0 due to a heap-based buffer overflow in the gf_m2ts_section_complete function within media_tools/mpegts.c.

Affected Systems and Versions

Product: GPAC v0.8.0
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious MP4 file to trigger the heap-based buffer overflow, leading to a denial of service (DOS) condition.

Mitigation and Prevention

Protecting systems from CVE-2020-24829 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Avoid opening or downloading untrusted MP4 files.

Long-Term Security Practices

Regularly update software and firmware to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify and address security weaknesses.
Educate users on safe browsing habits and the risks associated with opening files from unknown sources.

Patching and Updates

Ensure that the affected systems are updated with the latest patches released by GPAC to address the heap-based buffer overflow vulnerability.