CVE-2021-30473 : Security Advisory and Response

This CVE-2021-30473 article provides an in-depth understanding of a memory freeing vulnerability in libaom affecting AOMedia.

Understanding CVE-2021-30473

This section delves into the details of CVE-2021-30473.

What is CVE-2021-30473?

The vulnerability in aom_image.c in libaom in AOMedia, prior to 2021-04-07, involves the improper freeing of memory not located on the heap.

The Impact of CVE-2021-30473

This vulnerability could be exploited by an attacker to execute arbitrary code or lead to a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2021-30473

In this section, we explore the technical aspects of CVE-2021-30473.

Vulnerability Description

The issue arises due to the incorrect release of memory not allocated on the heap, posing a security risk.

Affected Systems and Versions

The vulnerability affects versions of AOMedia prior to 2021-04-07. All systems using these versions are at risk.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious input triggering the improper memory freeing process.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-30473.

Immediate Steps to Take

Users are advised to apply patches provided by the vendor or upgrade to a patched version to mitigate this vulnerability.

Long-Term Security Practices

Maintaining up-to-date software and regularly monitoring security advisories can help prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates from AOMedia and apply patches promptly to protect your systems.