Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

           Innominate mGuard Unauthorized Leakage of System Data
                               31 July 2014


        AusCERT Security Bulletin Summary

Product:           Innominate mGuard
Publisher:         ICS-CERT
Operating System:  Network Appliance
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-2356  

Original Bulletin: 

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Advisory (ICSA-14-189-02)

Innominate mGuard Unauthorized Leakage of System Data

Original release date: July 29, 2014

Legal Notice

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This advisory was originally posted to the US-CERT secure Portal library
on July 8, 2014, and is being released to the NCCIC/ICS-CERT web site.

The Applied Risk Research team has identified an unauthorized download of
system information from Innominate mGuard devices. Innominate has produced
a firmware patch that mitigates this vulnerability. This firmware patch
has been validated by the Applied Risk Research team, and the original
vulnerability research is referenced on at http://www.applied-risk.com
as ARA-2014001.

This vulnerability could be exploited remotely.


The following Innominate mGuard firmware versions are affected:

    Innominate mGuard firmware Versions 4.0.0 up to Version 8.0.2

Innominate mGuard firmware Versions 7.6.4 patch release, and firmware
Versions 8.0.3, 8.1.0, 8.1.1, and higher are not affected.


Exploitation of this vulnerability could allow a remote unauthenticated
user access to release configuration information. While this is a minor
vulnerability, it represents a method for further network reconnaissance.

Impact to individual organizations depends on many factors that are unique
to each organization. ICS-CERT recommends that organizations evaluate
the impact of this vulnerability based on their operational environment,
architecture, and product implementation.


Innominate is a German-based company that sells products worldwide through
its international partners. Innominate was acquired by Phoenix Contact
in 2008.

The vulnerability affects only the mGuard products, which are industrial
security routers. They can be found in many critical infrastructure
sectors, including Communications, Critical Manufacturing, and Healthcare
and Public Health.




An attacker using a carefully crafted URL may download a configuration
snapshot without prior authorization using the HTTPS CGI interface. The
configuration snapshot contains configuration data, current system
information and log files, but no confidential data such as RSA private keys,
Pre-Shared keys or passwords. An attacker might gather information about
network topology, traffic flows, and other connected systems from this data.

CVE-2014-2356[b] has been assigned to this vulnerability. A CVSS
v2 base score of 4.3 has been assigned; the CVSS vector string is



This vulnerability could be exploited remotely.


No known public exploits specifically target this vulnerability.


An attacker with a moderate skill would be able to exploit this


All users of affected Innominate mGuard devices may either update to one
of the following firmware versions: 7.6.4, 8.0.3, 8.1.0, 8.1.1, or higher,
or use the hotfix-CVE-2014-2356.tar.gz patch-update to fix their systems
without updating any other component.

The patch can be applied by either uploading the patch-update as
"Local Update" or by the "Online Update" functionality and using
hotfix-CVE-2014-2356 as "Package set name." In addition, Innominate
recommends limiting access to the administrative interfaces via firewall
rules to the minimum necessary.

ICS-CERT encourages asset owners to take additional defensive measures to
protect against this and other cybersecurity risks.

    Minimize network exposure for all control system devices and/or systems,
    and ensure that they are not accessible from the Internet.
    Locate control system networks and remote devices behind firewalls,
    and isolate them from the business network.
    When remote access is required, use secure methods, such as Virtual
    Private Networks (VPNs), recognizing that VPNs may have vulnerabilities
    and should be updated to the most current version available. Also
    recognize that VPN is only as secure as the connected devices.

ICS-CERT also provides a section for control systems
security recommended practices on the ICS-CERT web page at
http://ics-cert.us-cert.gov/content/recommended-practices. Several
recommended practices are available for reading and download, including
Improving Industrial Control Systems Cybersecurity with Defense-in-Depth
Strategies. ICS-CERT reminds organizations to perform proper impact analysis
and risk assessment prior to deploying defensive measures.

Additional mitigation guidance and recommended practices are
publicly available in the ICS-CERT Technical Information Paper,
ICS-TIP-12-146-01B-Targeted Cyber Intrusion Detection and Mitigation
Strategies, that is available for download from the ICS-CERT web site

Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to ICS-CERT for
tracking and correlation against other incidents.

    a. CWE-200: Information Exposure,
    http://cwe.mitre.org/data/definitions/200.html, web site last accessed
    July 08, 2014.
    b. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2356,
    NIST uses this advisory to create the CVE web site report. This web
    site will be active sometime after publication of this advisory.
    c. CVSS Calculator,
    web site last accessed July 08, 2014.

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov
Toll Free: 1-877-776-7585
International Callers: (208) 526-0900

For industrial control systems security information and incident reporting:

ICS-CERT continuously strives to improve its products and services. You
can help by choosing one of the links below to provide feedback about
this product.

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