CVE-2018-0025

Junos OS: SRX Series: Credentials exposed when using HTTP and HTTPS Firewall Pass-through User Authentication

Published Jul 11, 2018 CVSS 3.0 · 6.1 Medium EPSS 1.4% KEV · Not listed
Description
When an SRX Series device is configured to use HTTP/HTTPS pass-through authentication services, a client sending authentication credentials in the initial HTTP/HTTPS session is at risk that these credentials may be captured during follow-on HTTP/HTTPS requests by a malicious actor through a man-in-the-middle attack or by authentic servers subverted by malicious actors. FTP, and Telnet pass-through authentication services are not affected. Affected releases are Juniper Networks SRX Series: 12.1X46 versions prior to 12.1X46-D67 on SRX Series; 12.3X48 versions prior to 12.3X48-D25 on SRX Series; 15.1X49 versions prior to 15.1X49-D35 on SRX Series.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS:12.1X46-D67, 12.3X48-D25, 15.1X49-D35, 17.3R1 all subsequent releases.


Vendor Workaround

1. Discontinue use of HTTP/HTTPS Pass-through Firewall User Authentication 2. Use web-redirect when using Pass-through Firewall User Authentication Example: set security policies from-zone * to-zone * policy * then permit firewall-authentication pass-through web-redirect For additional configuration guidance, customers should contact JTAC Support.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-0849 When an SRX Series device is configured to use HTTP/HTTPS pass-through authentication services, a client sending authentication credentials in the initial HTTP/HTTPS session is at risk that these credentials may be captured during follow-on HTTP/HTTPS requests by a malicious actor through a man-in-the-middle attack or by authentic servers subverted by malicious actors. FTP, and Telnet pass-through authentication services are not affected. Affected releases are Juniper Networks SRX Series: 12.1X46 versions prior to 12.1X46-D67 on SRX Series; 12.3X48 versions prior to 12.3X48-D25 on SRX Series; 15.1X49 versions prior to 15.1X49-D35 on SRX Series.
History

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