CVE-2018-1250 : What You Need to Know

A vulnerability has been identified in Dell EMC Unity and UnityVSA versions older than 4.3.1.1525703027, allowing a remote authenticated user to bypass Role-Based Authorization control and potentially read files in the NAS server.

Understanding CVE-2018-1250

This CVE involves an Authorization Bypass vulnerability in Dell EMC Unity and UnityVSA.

What is CVE-2018-1250?

The vulnerability in Dell EMC Unity and UnityVSA versions prior to 4.3.1.1525703027 allows a remote authenticated user to bypass Role-Based Authorization control and interact with specific APIs of Unity OE, potentially leading to unauthorized file access in the NAS server.

The Impact of CVE-2018-1250

CVSS Base Score: 6.5 (Medium Severity)
Confidentiality Impact: High
Attack Vector: Network
Privileges Required: Low
User Interaction: None

Technical Details of CVE-2018-1250

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability enables a remote authenticated user to bypass Role-Based Authorization control in Dell EMC Unity and UnityVSA, allowing direct interaction with specific APIs of Unity OE and potential unauthorized file access in the NAS server.

Affected Systems and Versions

Affected Products: Dell EMC Unity, Dell EMC UnityVSA
Vulnerable Versions: Older than 4.3.1.1525703027

Exploitation Mechanism

The vulnerability can be exploited by a remote authenticated user to directly interact with certain APIs of Unity OE, bypassing Role-Based Authorization control implemented only in the Unisphere GUI.

Mitigation and Prevention

Protect your systems from CVE-2018-1250 with these mitigation strategies.

Immediate Steps to Take

Update affected systems to version 4.3.1.1525703027 or newer.
Monitor and restrict access to sensitive APIs.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly review and update Role-Based Authorization controls.
Conduct security training for users on best practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by Dell EMC promptly to address the vulnerability.