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             AUSCERT External Security Bulletin Redistribution

 2015-10 Security Bulletin: Junos: J-Web in vSRX-Series: A remote attacker
        can cause a denial of service to vSRX when J-Web is enabled
           causing the vSRX instance to reboot. (CVE-2014-6451)
                              15 October 2015


        AusCERT Security Bulletin Summary

Product:           Juniper vSRX-Series
Publisher:         Juniper Networks
Operating System:  Juniper
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-6451  

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

2015-10 Security Bulletin: Junos: J-Web in vSRX-Series: A remote attacker can
cause a denial of service to vSRX when J-Web is enabled causing the vSRX 
instance to reboot. (CVE-2014-6451)



    SRX Series


    SIRT Advisory

Security Advisories ID: JSA10700

Last Updated: 14 Oct 2015

Version: 2.0

Product Affected:

J-Web in vSRX-Series


A remote attacker may exploit a flaw in the J-Web service to perform a denial
of service attack against the vSRX system causing the system to spontaneously

This issue is assigned CVE-2014-6451.


The following software releases have been updated to resolve this specific 
issue: Junos OS 15.1X49-D20 and all subsequent releases.

This issue was found during internal product security testing.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

No other Juniper Networks products or platforms are affected by this issue.

This issue is being tracked as PR 1085414 and is visible on the Customer 
Support website.

KB16765 - "In which releases are vulnerabilities fixed?" describes which 
release vulnerabilities are fixed as per our End of Engineering and End of 
Life support policies.


Disable J-Web services on vSRX. Use access lists or firewall filters to limit
access to the vSRX administrative ports only from trusted hosts. Restrict 
access to only highly trusted administrators.


How to obtain fixed software:

Security vulnerabilities in Junos are fixed in the next available Maintenance
Release of each supported Junos version. In some cases, a Maintenance Release
is not planned to be available in an appropriate time-frame. For these cases,
Service Releases are made available in order to be more timely. Security 
Advisory and Security Notices will indicate which Maintenance and Service 
Releases contain fixes for the issues described. Upon request to JTAC, 
customers will be provided download instructions for a Service Release. 
Although Juniper does not provide formal Release Note documentation for a 
Service Release, a list of "PRs fixed" can be provided on request.

Modification History:

2015-10-14: Initial publication

Related Links:

    KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
    Publication Process

    KB16765: In which releases are vulnerabilities fixed?

    KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security

    Report a Vulnerability - How to Contact the Juniper Networks Security 
    Incident Response Team

    CVE-2014-6451: A remote attacker can cause a denial of service to vSRX 
    when J-Web is enabled causing the vSRX instance to reboot.

CVSS Score: 7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Risk Level: High

Risk Assessment: Information for how Juniper Networks uses CVSS can be found 
at KB16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security

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