CVE-2018-0025 : What You Need to Know

When an SRX Series device is configured to use HTTP/HTTPS pass-through authentication services, there is a risk of exposing client authentication credentials to malicious actors. This CVE affects Junos OS versions prior to 12.1X46-D67, 12.3X48-D25, and 15.1X49-D35 on SRX Series.

Understanding CVE-2018-0025

This CVE highlights a vulnerability in Junos OS that could lead to the exposure of user credentials when utilizing HTTP/HTTPS pass-through authentication services on SRX Series devices.

What is CVE-2018-0025?

CVE-2018-0025 pertains to the potential exposure of authentication credentials during HTTP/HTTPS pass-through authentication on Junos OS, specifically affecting SRX Series devices.

The Impact of CVE-2018-0025

The vulnerability could allow malicious actors to capture user authentication credentials through man-in-the-middle attacks or compromised authentic servers.

Technical Details of CVE-2018-0025

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises when clients send authentication credentials in the initial HTTP/HTTPS session, risking exposure during subsequent requests.

Affected Systems and Versions

Platforms: SRX Series
Product: Junos OS
Affected Versions:
12.1X46-D67
12.3X48-D25
15.1X49-D35

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Confidentiality Impact: High
User Interaction: Required
Vector String: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N

Mitigation and Prevention

Protecting systems from CVE-2018-0025 is crucial.

Immediate Steps to Take

Discontinue use of HTTP/HTTPS Pass-through Firewall User Authentication
Implement web-redirect for Pass-through Firewall User Authentication

Long-Term Security Practices

Regularly update Junos OS to the patched versions
Monitor network traffic for any suspicious activities

Patching and Updates

Updated software releases to resolve the issue: 12.1X46-D67, 12.3X48-D25, 15.1X49-D35, 17.3R1, and all subsequent releases.