CVE-2021-0899 : Exploit Details and Defense Strategies

This CVE-2021-0899 article provides details about a memory corruption vulnerability identified in apusys. The vulnerability may allow an attacker to escalate privileges locally without requiring user interaction, leading to system execution privileges. Read on to understand the impact, affected systems, exploitation mechanism, and mitigation steps.

Understanding CVE-2021-0899

This section delves into the specifics of the CVE-2021-0899 vulnerability.

What is CVE-2021-0899?

CVE-2021-0899 involves a memory corruption issue in apusys that could be exploited for local privilege escalation, requiring system execution privileges.

The Impact of CVE-2021-0899

The impact of this vulnerability is the potential escalation of privileges without user interaction, posing a risk of unauthorized system access.

Technical Details of CVE-2021-0899

Explore the technical aspects of CVE-2021-0899 below.

Vulnerability Description

The vulnerability arises from a use after free scenario in apusys, enabling attackers to corrupt memory and potentially gain escalated privileges.

Affected Systems and Versions

Products using MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791, and MT8797 with Android versions 10.0, 11.0, and 12.0 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability does not require user interaction, which simplifies the exploitation process for privilege escalation.

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2021-0899.

Immediate Steps to Take

Patch ID ALPS05672107 addresses this vulnerability and should be applied promptly to secure the affected systems.

Long-Term Security Practices

Regularly update systems, follow security best practices, and conduct security audits to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security bulletins and apply patches promptly to protect against potential exploits.