CVE-2022-36191 Explained : Impact and Mitigation

A heap-buffer-overflow vulnerability was discovered in function gf_isom_dovi_config_get of isomedia/avc_ext.c:2490, as showcased by MP4Box. The issue was addressed in commit fef6242.

Understanding CVE-2022-36191

This section dives deep into the details of the CVE-2022-36191 vulnerability.

What is CVE-2022-36191?

The CVE-2022-36191 is a heap-buffer-overflow vulnerability identified in function

gf_isom_dovi_config_get

of

isomedia/avc_ext.c:2490

that was exploited by MP4Box. The vulnerability was fixed with commit

fef6242

.

The Impact of CVE-2022-36191

This vulnerability could allow an attacker to trigger a heap buffer overflow, potentially leading to arbitrary code execution or a denial of service (DoS) condition.

Technical Details of CVE-2022-36191

Here we delve into the technical aspects associated with CVE-2022-36191.

Vulnerability Description

The vulnerability lies in a heap-buffer-overflow in the specified function within the mentioned file when processed by MP4Box.

Affected Systems and Versions

The issue affects unspecified versions of the software which could be exploited by an attacker.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious file that triggers the heap buffer overflow when processed by MP4Box.

Mitigation and Prevention

This section provides insights into mitigating the risks posed by CVE-2022-36191.

Immediate Steps to Take

It is recommended to avoid processing untrusted MP4 files until the necessary patches are applied.

Long-Term Security Practices

Adopting secure coding practices, regular security audits, and keeping software updated can help prevent similar vulnerabilities.

Patching and Updates

Ensure to apply the latest patches provided by the vendor to address this vulnerability effectively.