CVE-2022-3787 : Vulnerability Insights and Analysis

A vulnerability was found in the device-mapper-multipath that allows local users to obtain root access by bypassing access controls. Read on to understand the impact, technical details, and mitigation steps for CVE-2022-3787.

Understanding CVE-2022-3787

This section provides insights into the nature of the vulnerability.

What is CVE-2022-3787?

The CVE-2022-3787 vulnerability in device-mapper-multipath enables local users to manipulate the multipath setup, leading to local privilege escalation to root.

The Impact of CVE-2022-3787

Exploiting this vulnerability could allow attackers to escalate their privileges on affected systems, potentially leading to unauthorized access and control.

Technical Details of CVE-2022-3787

Explore the technical aspects of CVE-2022-3787 in this section.

Vulnerability Description

The issue arises due to mishandling a repeated keyword when arithmetic ADD is used instead of bitwise OR, enabling users to bypass access controls and gain root access.

Affected Systems and Versions

The device-mapper-multipath with an unknown version is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Local users with the ability to write to UNIX domain sockets can exploit this vulnerability either alone or in conjunction with CVE-2022-41973 to manipulate the multipath setup.

Mitigation and Prevention

Discover the steps to mitigate and prevent the exploitation of CVE-2022-3787.

Immediate Steps to Take

It is crucial to restrict access to UNIX domain sockets and monitor for any unauthorized activities to prevent potential exploitation of this vulnerability.

Long-Term Security Practices

Implementing the principle of least privilege, regularly updating security measures, and conducting security audits can enhance the overall security posture of the system.

Patching and Updates

Stay updated with security patches and follow the vendor's recommendations for patching device-mapper-multipath to address the vulnerability.