CVE-2018-1240 : What You Need to Know

Dell EMC ViPR Controller versions after 3.0.0.38 have an information exposure vulnerability through the VRRP protocol.

Understanding CVE-2018-1240

This CVE identifies a security flaw in Dell EMC ViPR Controller software that could lead to a denial of service attack.

What is CVE-2018-1240?

The vulnerability in ViPR Controller versions after 3.0.0.38 allows malicious actors to intercept the cluster password transmitted in plaintext via multicast, potentially leading to a takeover of the cluster's virtual IP address.

The Impact of CVE-2018-1240

Exploiting this vulnerability could result in a denial of service on the affected ViPR Controller system, compromising the availability of services.

Technical Details of CVE-2018-1240

Dive into the specifics of this vulnerability.

Vulnerability Description

The default configuration of VRRP in the Linux keepalived component of ViPR Controller exposes the cluster password in plaintext through multicast, enabling unauthorized access.

Affected Systems and Versions

Product: ViPR Controller
Vendor: Dell EMC
Versions Affected: versions after 3.0.0.38

Exploitation Mechanism

Malicious individuals with access to the vCloud subnet where ViPR is deployed can intercept the plaintext password transmitted via multicast, gaining control over the cluster's virtual IP address.

Mitigation and Prevention

Learn how to protect your systems from this vulnerability.

Immediate Steps to Take

Implement network segmentation to restrict access to sensitive subnets.
Monitor network traffic for any unauthorized access attempts.
Apply firewall rules to limit multicast traffic.

Long-Term Security Practices

Regularly update ViPR Controller software to the latest secure version.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Dell EMC may release patches or updates to address this vulnerability. Stay informed about security advisories and apply patches promptly.