CVE-2022-47657 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in GPAC MP4Box 2.1-DEV-rev644-g5c4df2a67 can lead to security issues. Learn about the impact, technical details, and mitigation steps for CVE-2022-47657.

Understanding CVE-2022-47657

GPAC MP4Box 2.1-DEV-rev644-g5c4df2a67 is vulnerable to a buffer overflow in the hevc_parse_vps_extension function of media_tools/av_parsers.c:7662.

What is CVE-2022-47657?

The vulnerability allows attackers to trigger a buffer overflow by exploiting the hevc_parse_vps_extension function, potentially leading to arbitrary code execution or denial of service.

The Impact of CVE-2022-47657

An attacker could exploit this vulnerability to execute malicious code or crash the application, compromising the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2022-47657

The buffer overflow occurs in the hevc_parse_vps_extension function of media_tools/av_parsers.c:7662, creating a security risk.

Vulnerability Description

The vulnerability can be exploited by crafting a malicious MP4 file to trigger the buffer overflow, leading to potential code execution or denial of service.

Affected Systems and Versions

GPAC MP4Box 2.1-DEV-rev644-g5c4df2a67 is affected by this vulnerability, impacting systems using this specific version.

Exploitation Mechanism

Attackers can exploit the buffer overflow by sending a specially crafted MP4 file to the vulnerable system, triggering the vulnerability.

Mitigation and Prevention

To address CVE-2022-47657, immediate actions and long-term security practices are essential to safeguard systems.

Immediate Steps to Take

Users are advised to update GPAC MP4Box to a patched version, apply security best practices, and avoid opening untrusted media files.

Long-Term Security Practices

Regularly update software, monitor security advisories, employ network defenses, and educate users on safe practices to enhance overall cybersecurity.

Patching and Updates

Stay informed about security patches, apply updates promptly, and implement secure coding practices to mitigate the risk of buffer overflows.