CVE-2022-47654 : Exploit Details and Defense Strategies

A buffer overflow vulnerability has been identified in GPAC MP4box 2.1-DEV-rev593-g007bf61a0, specifically in the gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8261.

Understanding CVE-2022-47654

This CVE identifies a critical buffer overflow issue in the mentioned version of GPAC MP4box, posing a severe security risk to affected systems.

What is CVE-2022-47654?

CVE-2022-47654 is a vulnerability in GPAC MP4box 2.1-DEV-rev593-g007bf61a0, allowing attackers to trigger a buffer overflow via the gf_hevc_read_sps_bs_internal function.

The Impact of CVE-2022-47654

The buffer overflow vulnerability can be exploited by malicious actors to execute arbitrary code, leading to a potential complete compromise of impacted systems.

Technical Details of CVE-2022-47654

The technical details of CVE-2022-47654 include information about the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability exists in the gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8261 in GPAC MP4box 2.1-DEV-rev593-g007bf61a0, enabling buffer overflow attacks.

Affected Systems and Versions

All systems running GPAC MP4box 2.1-DEV-rev593-g007bf61a0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can craft malicious MP4 files to exploit the buffer overflow and potentially execute arbitrary code on the vulnerable system.

Mitigation and Prevention

To address CVE-2022-47654, immediate steps should be taken to mitigate the risks and prevent exploitation.

Immediate Steps to Take

Users are advised to update GPAC MP4box to a patched version or apply security fixes provided by the vendor.

Long-Term Security Practices

Implementing secure coding practices and regular security updates can help prevent buffer overflow vulnerabilities like CVE-2022-47654.

Patching and Updates

Stay informed about security patches and updates for GPAC MP4box to protect your systems from potential exploits.