CVE-2021-0998 : Security Advisory and Response

This article provides an overview of CVE-2021-0998, a vulnerability in Android-12 that could lead to local information disclosure due to a heap buffer overflow without requiring additional execution privileges.

Understanding CVE-2021-0998

This section delves into the details of the CVE-2021-0998 vulnerability in Android-12.

What is CVE-2021-0998?

CVE-2021-0998 involves a potential out-of-bounds read in 'ih264e_find_bskip_params()' of ih264e_me.c, leading to a heap buffer overflow and local information disclosure on Android-12 systems.

The Impact of CVE-2021-0998

The impact of this vulnerability is the risk of local information disclosure without the need for additional user privileges, making it a concerning security issue for affected systems.

Technical Details of CVE-2021-0998

This section provides technical insights into the vulnerability, including affected systems, exploitation mechanism, and more.

Vulnerability Description

The vulnerability stems from an out-of-bounds read in 'ih264e_find_bskip_params()' of ih264e_me.c, potentially resulting in a heap buffer overflow on Android-12.

Affected Systems and Versions

Android-12 systems are affected by CVE-2021-0998, highlighting the importance of addressing this vulnerability promptly.

Exploitation Mechanism

Exploiting this vulnerability could allow malicious actors to disclose local information without the need for elevated privileges or user interaction.

Mitigation and Prevention

In this section, explore immediate steps to take and best security practices to mitigate the risks associated with CVE-2021-0998.

Immediate Steps to Take

It is crucial to apply relevant security patches and updates to Android-12 systems to mitigate the risk of local information disclosure from the CVE-2021-0998 vulnerability.

Long-Term Security Practices

Implementing robust security measures, such as regular security assessments and secure coding practices, can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security bulletins and updates from Android to address CVE-2021-0998 and other potential vulnerabilities effectively.