CVE-2018-0040 : What You Need to Know

Juniper Networks' Contrail Service Orchestrator before version 4.0.0 is affected by a vulnerability related to hardcoded cryptographic certificates and keys.

Understanding CVE-2018-0040

This CVE involves the use of pre-set cryptographic certificates and keys in certain instances, potentially allowing unauthorized access to services.

What is CVE-2018-0040?

In specific scenarios, Contrail Service Orchestrator versions prior to 4.0.0 utilize hardcoded cryptographic certificates and keys, which could enable network-based attackers to gain unauthorized access to services.

The Impact of CVE-2018-0040

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of the affected systems. However, Juniper SIRT has not detected any malicious exploitation of this vulnerability.

Technical Details of CVE-2018-0040

Contrail Service Orchestrator versions before 4.0.0 are susceptible to the following:

Vulnerability Description

The issue stems from the use of hardcoded cryptographic certificates and keys, posing a security risk by potentially allowing unauthorized access to services.

Affected Systems and Versions

Product: Contrail Service Orchestration
Vendor: Juniper Networks
Versions Affected: < 4.0.0 (unspecified/custom version)

Exploitation Mechanism

The vulnerability can be exploited by network-based attackers to gain illicit access to services without proper authorization.

Mitigation and Prevention

To address CVE-2018-0040, consider the following steps:

Immediate Steps to Take

Limit access to the CSO environment to trusted networks and hosts.

Long-Term Security Practices

Regularly review and update cryptographic certificates and keys.
Implement network segmentation to restrict unauthorized access.

Patching and Updates

Update to Contrail Service Orchestration version 4.0.0 or later to mitigate the vulnerability.