CVE-2017-11741 Explained : Impact and Mitigation

HashiCorp Vagrant VMware Fusion plugin (vagrant-vmware-fusion) before 4.0.24 has weak permissions for sudo helper scripts, allowing local users to execute arbitrary code with root privileges.

Understanding CVE-2017-11741

This CVE involves a vulnerability in the HashiCorp Vagrant VMware Fusion plugin that can lead to local root privilege escalation.

What is CVE-2017-11741?

The HashiCorp Vagrant VMware Fusion plugin, known as vagrant-vmware-fusion, has a security flaw in versions prior to 4.0.24. This vulnerability allows local users to overwrite sudo helper scripts and run malicious code with root privileges.

The Impact of CVE-2017-11741

The vulnerability enables attackers to gain root access on affected systems, potentially leading to unauthorized control and manipulation of the system.

Technical Details of CVE-2017-11741

The technical aspects of the CVE provide insight into the specific details of the vulnerability.

Vulnerability Description

The HashiCorp Vagrant VMware Fusion plugin before version 4.0.24 has weak permissions for its sudo helper scripts, which can be exploited by local users to execute arbitrary code with root privileges.

Affected Systems and Versions

Product: HashiCorp Vagrant VMware Fusion plugin
Vendor: HashiCorp
Versions affected: All versions prior to 4.0.24

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the sudo helper scripts to execute malicious code with elevated privileges.

Mitigation and Prevention

Protecting systems from CVE-2017-11741 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to version 4.0.24 or later of the HashiCorp Vagrant VMware Fusion plugin.
Monitor system logs for any suspicious activities indicating unauthorized access.

Long-Term Security Practices

Implement the principle of least privilege to restrict unnecessary root access.
Regularly audit and review permissions on critical system files and directories.

Patching and Updates

Stay informed about security updates and patches released by HashiCorp.
Apply patches promptly to ensure system security and prevent exploitation of known vulnerabilities.