CVE-2021-0548 : Security Advisory and Response

This CVE-2021-0548 article provides insights into a security vulnerability impacting Android-11 that could result in local privilege escalation without requiring user interaction.

Understanding CVE-2021-0548

This section delves into the nature and implications of the CVE-2021-0548 vulnerability.

What is CVE-2021-0548?

The vulnerability lies in rw_i93_send_to_lower of rw_i93.cc in Android-11. It occurs due to a missing bounds check, potentially leading to an out-of-bounds write. This could allow an attacker to escalate privileges locally without needing additional execution privileges.

The Impact of CVE-2021-0548

The impact of this vulnerability is the potential for local privilege escalation, which could be exploited without user interaction.

Technical Details of CVE-2021-0548

This section provides detailed technical information about CVE-2021-0548.

Vulnerability Description

The vulnerability is a result of a missing bounds check in the rw_i93_send_to_lower function of rw_i93.cc, allowing for an out-of-bounds write.

Affected Systems and Versions

The affected product is Android, specifically version Android-11.

Exploitation Mechanism

Exploiting this vulnerability could lead to local privilege escalation without requiring additional execution privileges or user interaction.

Mitigation and Prevention

In this section, you'll find mitigation strategies and preventive measures for CVE-2021-0548.

Immediate Steps to Take

It is recommended to apply relevant security patches promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Employing secure coding practices and regular security assessments can enhance overall system security.

Patching and Updates

Regularly updating systems and applying security patches is crucial to address known vulnerabilities and enhance system resilience.