CVE-2021-1047 : Vulnerability Insights and Analysis

This article provides insights into CVE-2021-1047, a vulnerability impacting Android's kernel, potentially leading to local information disclosure.

Understanding CVE-2021-1047

This section delves into the details of the vulnerability and its implications.

What is CVE-2021-1047?

The vulnerability lies in 'valid_ipc_dram_addr' of 'cm_access_control.c,' where an integer overflow can trigger an out-of-bounds read attack. Exploiting this issue could result in local information disclosure, requiring System execution privileges without user interaction.

The Impact of CVE-2021-1047

The vulnerability poses a risk of exposing sensitive information stored within Android's kernel, which could be exploited by malicious actors.

Technical Details of CVE-2021-1047

Explore the technical aspects and affected systems related to CVE-2021-1047.

Vulnerability Description

The flaw allows for unauthorized access to memory locations beyond the intended boundaries, potentially leaking confidential data.

Affected Systems and Versions

This vulnerability impacts the Android operating system, specifically the Android kernel.

Exploitation Mechanism

By manipulating the 'valid_ipc_dram_addr' in 'cm_access_control.c' through an integer overflow, threat actors can perform out-of-bounds read attacks.

Mitigation and Prevention

Discover the steps to mitigate the CVE-2021-1047 vulnerability and enhance overall security.

Immediate Steps to Take

Ensure timely installation of security patches and updates provided by Android to address this vulnerability.

Long-Term Security Practices

Implement robust security practices such as regular system updates, network segmentation, and access control mechanisms to enhance overall resilience.

Patching and Updates

Stay vigilant for security advisories from Android and promptly apply recommended patches and updates to safeguard systems.